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greenhouse gases in the atmosphere, the planet warms. These effects are referred to as external forcings because by changing the planet's energy balance, they force climate to change.
It is obviously true that past climate change was caused by natural forcings. However, to argue that this means we can't cause climate change is like arguing that humans can't start bushfires because in the past they've happened naturally. Greenhouse gas increases have caused climate change many times in Earth's history, and we are now adding greenhouse gases to the atmosphere at a increasingly rapid rate.
Looking at the past gives us insight into how our climate responds to external forcings. Using ice cores
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Each box to be filled in with a value is worth 1 point.
Data Table 1
The Atmosphere …. | Greenhouse Gas Composition (in ppm) | Equilibrium Atmospheric Temperature (in °F) |
| H2O(water vapor) | CO2(carbon dioxide) | CH4(methane) | N2O(nitrous oxide) | |
With NO Greenhouse Gases | 0 | 0 | 0 | 0 | -1 |
Today | 70% Relative Humidity | 388ppm | 1.843ppm | 0.317ppm | 57 |
Ice Age | ? | 180ppm | 0.380ppm | 0.215ppm | 37 |
Data Table 2
Concentration of Greenhouse Gases(in ppm) | Number of Clouds | Equilibrium Atmospheric Temperature (in °F) |
0 | 0 | -2 |
0 | 3 | 17 |
Data Table 3
Number of Glass Panes | Equilibrium Atmospheric Temperature (in °F
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Did you know that many of your appliances are gobbling electricity, causing the emission of greenhouse gases, even when those appliances are turned off? Or that putting a lid on pots on your stove makes your food cook more efficiently? Not every action that you can take to cut back on your greenhouse gas emissions is manageable — not everyone can buy a hybrid car or build a home that doesn’t rely on major power producers for energy yet. But, hopefully, some options fit your situation and can help you to make a difference. Global warming affects everyone, and everyone can play an important role in stopping it. Forget the doom and gloom you may hear on the news — start thinking about the
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Not long ago, few people thought much about the role carbon dioxide plays in Earth's atmosphere. Today, with each new mention of melting ice caps, rising sea levels, and higher than average temperatures, we hear more than ever about a connection between human activities, carbon dioxide, and global warming. What is the connection between this gas and a potential global catastrophe?
Before looking at carbon dioxide's role in global warming, it is important to recognize the role this naturally occurring gas plays in maintaining our planet's temperature. Earth's relatively warm surface temperature is the result of an atmospheric process called the greenhouse effect. Among the molecules that
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. Greenhouse gases such as carbon dioxide, nitrogen oxides, sulfur dioxide, particulate matter (PM 2.5) and more are set loose into the air that Americans breathe everyday. The Greenhouse Effect, or the overwhelmingly warming of the Earth is directly caused by Greenhouse gas emissions, which come from the burning of these fossil fuels. In 2013, 82% of all carbon dioxide emissions in the world came directly from the United States. 47.8 million metric tons of this carbon dioxide came from New York City alone. In Mayor de Blasios PlanNYC campaign, he hopes to reduce this number to approximately 11.8 million metric tons. One crucial step to doing this is to convert all residential and commercial
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. Many areas of the world are experiencing increased hurricanes, floods, and other unusual weather. A third problem associated with global warming is the effect on animals. Fish populations could be affected, while some insects which spread disease might become more common.
There are several things we can do to solve the problem of global warming. One solution is to stop producing C02. We can do this by switching from oil, coal and gas to renewable energy. Another solution is to plant more trees. Trees absorb carbon dioxide and produce oxygen, which is not a greenhouse gas. A third solution is to use less energy and to recycle more products. Generating electricity is one of the main sources of carbon dioxide. If we use less electricity, we will produce less C02.
In conclusion, if we make small changes now in the way we live, we can avoid huge changes in the future. Scientists, governments and individuals must work together to overcome this threat.
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measurable increase in temperature of Earth’s atmosphere, oceans, and landmasses. Greenhouse gases have been pinpointed as the main cause of this increase in temperature. The burning of fossil fuels such as coal, oil, and natural gas have caused a thirty-five percent increase in carbon dioxide (a highly potent greenhouse gas) since the 1750’s (MSN Encarta, 2008).
Since the Industrial revolution in the mid 1700’s there has been a significant increase in the production of greenhouse gases. Greenhouse gases such as water vapor and methane occur naturally in the environment. Other greenhouse gases, like hydrofluorocarbons (HFCs), perfluorocarbons (PFCs), and sulfur hexafluoride are
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engines to reduce emissions by 25% Increased tax on petrol Lower road-tax for cars with smaller engines
Stricter emission of all six greenhouse gases Better management of waste-tips and chemical processing
Develop wind, wave and solar power to replace nuclear power
Global warming is an increase in the earth's temperature due to fossil fuels, industry, and agricultural processes caused by human, natural, and other gas emissions. This results in an increased emission of greenhouse gases. Short-wave solar radiation sinks into the Earth's atmosphere and warms its surface; while long wave infrared radiation emitted by earth's surface is absorbed, and then re
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," 2007, para. 2) and regardless of who or what is to blame, it is up to the human population to do something about it. Global warming is caused by greenhouse gases in which there are several.
Carbon monoxide is the most common greenhouse gas which comes from the combustion of fossil fuels in cars, factories, and electricity production (“National Geographic,” 2007, para. 3). Methane and nitrous oxide are other greenhouse gases that are emitted from landfills, agriculture, and industrial processes that contribute.
Industrialized countries, with their technology leave a carbon footprint on the planet but they also have the ability to find other ways to reduce their footprints and to reduce the
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Global warming is an increase in the earth's temperature due to fossil fuels, industry, and agricultural processes caused by human, natural, and other gas emissions. This results in an increased evacuation of greenhouse gases. “Short-wave solar radiation sinks into the Earth's atmosphere and warms its surface while long-wave infrared radiation emitted by earth's surface is absorbed, and then re-emitted by trace gases.” (Wikipedia)
Climate changes occur in our earth's atmosphere due to a buildup of greenhouse gases
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only thing being released as the ground thaws. Along with carbon, organic matter is also made available and is used by microbes for degradation to further emit other greenhouse gases, including more methane (Anisimov, 2007). More specifically, In Lupin, Nunavut, entrapped gas beneath permafrost was studied and it was concluded that the gas bubbles were 64-87% methane (Stotler et al. 2010). As permafrost degradation continues to increase in the future, more of this methane will be released into the atmosphere in large concentrations. Figure # shows the contribution of peat and lake sediments in the formation and release of methane into the atmosphere. The darker spots shown on the lake
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major part in what scientists call the most serious environmental problem the world faces which is the carbon dioxide (CO2) that emitted as the engine burns fuel.
However, people might argue that greenhouse gas pollution which causes global warming comes from numerous sources that any single contribution seems small in proportion to the world total; collectively it becomes a vast problem especially automobile is everywhere around the world. To address a problem of such scale requires international agreements and national, states and local policies. However, making good on such commitments will require changes in how we manage every activity that contributes to the problem. For example, how
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proponents. Engelder believes that we have much to gain by using hydraulic fracturing to obtain natural resources. Among these advantages are increases in employment, increases in economic activity, and a reduction in greenhouse gases. This new niche in the gas industry is booming and has the potential to create many new jobs. Engelder claims that, “The gas industry in America accounts for US$385 billion in direct economic activity and nearly 3 million jobs” (qtd. in Howarth et al. 274). Given the economic climate of the country, these jobs are being welcomed with open arms. While Engelder and other proponents of fracking may be correct in their claims about the economic benefits associated with
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United States already contributes some 450 million metric tons of carbon dioxide, the inevitable by-product of fossil-fuel combustion, each year, around 32 percent of total U.S. carbon emissions, to the atmosphere” (Turk & Bensel, 2011, p. 128).
To mitigate usage and lighten emissions, there could be a major impact from higher fuel prices, “high gasoline prices could lead to a dramatic saving in US greenhouse-gas emissions. That's the conclusion of economists in the U.S, who suggest high fuel prices are turning consumers off SUVs and onto smaller, more fuel-efficient vehicles” (Giles, 2008). Higher fuel prices mean people must learn to conserve fuel, and the carbon footprint could be
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. The plant began automobile production in 1988 (Hisle, 2011). From 1990 to 2000 Scott County showed the highest growth rate of any county in the state, increasing 34.7%. This increase has led to an increase in housing as well as industrial zoned land. In addition, Scott County has one high school, an alternative learning center, three middle schools and five elementary schools in order to teach the many children that populate this county.
One of the specific factors that distinguish Scott County’s ecology and environment is the climate changes due to greenhouse gases. Kentucky’s greenhouse gas emissions rose 34% from 1990-2005 while national emissions only rose 16% (Bush, 2011). The
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-storage facility for the production of electricity (TVA.gov). Numerous institutional barriers exist, the main one being, in many countries, the difficulty in getting the concession to use and divert water from the river (and the renewal of the concession after the concession Period). Difficulties in gaining affordable connections to the grid are also common, as are very long procedures in order to get all permits since hydro operators have to deal with many administrations. The second alternative is solar water heating. Solar water heating, typically offsets fossil fuel combustion, reducing greenhouse gas emissions and other pollutants. Systems can help reduce peak loads, thereby postponing or
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Geoengineering for Atmospheric Restoration
ROBERT B. JACKSON
A few decades ago, the notion of actively controlling Earth’s climate resided primarily in the writings of science fiction authors such as Frank Herbert, Isaac Asimov, and Arthur C. Clarke.
Today, planetary engineering is being discussed openly by scientists and policymakers in Congress, the UK House of Commons, and many other settings.
Clarke’s advice apparently struck a chord: “Politicians should read science fiction, not westerns and detective stories.”
Geoengineering can be thought of as intentionally manipulating Earth’s climate to offset the warming from greenhouse gas emissions. Its activities can be
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currently emits a significant amount of greenhouse gases because of its antiquated manufacturing facilities. The Company plans to upgrade its facilities in 2014, which will decrease greenhouse gas emissions to a very low level. On the basis of the timing of the upgrade, the Company currently anticipates a need for additional EAs in fiscal years 2010–2014. However, upon completion of the upgrade, the Company believes it will have excess EAs in fiscal years subsequent to 2014 because of reduced emissions as a result of the upgrade.
The Company currently has forecasted the updates to its facilities will cost approximately $15 million. As the Company operates in a capital intensive industry, analysts
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currently emits a significant amount of greenhouse gases because of its antiquated manufacturing facilities. The Company plans to upgrade its facilities in 2014, which will decrease greenhouse gas emissions to a very low level. On the basis of the timing of the upgrade, the Company currently anticipates a need for additional EAs in fiscal years 2010–2014. However, upon completion of the upgrade, the Company believes it will have excess EAs in fiscal years subsequent to 2014 because of reduced emissions as a result of the upgrade. The Company currently has forecasted the updates to its facilities will cost approximately $15 million. As the Company operates in a capital-intensive industry
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energy sources. Nuclear energy does not discharge any air pollution and has a cheaper price to its operation compared to renewable energy sources and fossil fuel operations. In addition, it only requires little land to produce energy. Carbon, the primary greenhouse gas that concerns scientists, is a product of combustion, a chemical reaction. Fossil fuel power plants use combustion to generate steam that drives large turbines that produce electricity. On the other hand, nuclear reactors do not use this method to produce steam, they use nuclear reactions to superheat the steam that eventually drives the turbines which generates electricity. This process allows people to produce big sums of
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cubic miles of ice annually between 2002 and 2006. Antarctica on the other hand lost approximately 36 cubic miles of ice between 2002 and 2005 (Watson, & Albritton, 2006). Decreased snow cover is also another evidence to show that global warming is taking place. Satellite observations have shown the amount of spring snow cover in the Northern Hemisphere has decreased over the past five decades ( DeFries et al, 2002).
Carbon dioxide is one of the greenhouse gases that cause global warming. As many scientists have agreed, anthropogenic or human-induced greenhouse gas emissions are the leading cause of global warming. To counter global warming primarily caused by human
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What will happen after 2012?
In 2012, the commitment period of the Kyoto Protocol will come to an end. The international climate community is currently working on finding its replacement, a new regime that will determine the future basis upon which global cooperation on reducing greenhouse gas emissions and adapting to climate change impacts will take place. While formal negotiations are taking place under the auspices of the United Nations Framework Convention on Climate Change and its Kyoto Protocol, numerous parallel initiatives lead by national governments and research institutes are shaping the nature of this discussion.
Determining the future of the climate regime
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the nutrition contents and promoting their products so consumers can make healthy choices. In addition PepsiCo has launched different flavors beverages in Brazil, Mexico, and Asia. In Asia, the sale decreases because people strong prefer beverages that contain natural ingredients that contain pure sugar crane. In addition the excess inventory that the warehouse in Asia had impact on PepsiCo finances. PepsiCo response was reducing the sale prices of these flavored beverages and provides flavored beverages with pure sugar crane. Another initiative that affects the sales in PepsiCo was recycling bottles and the partnership with U.S.EPA’s Climate Leaders. The impact for producing bottles that contained 20% less plastic and being 10% smaller was working with suppliers to find suitable packaging that reduces greenhouse gas emission. In addition PepsiCo need produce this bottle with less plastic and offer their product at the same sale cost. Therefore PepsiCo works very close with recycling , sales team and marketing to promote
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greenhouse gases and clouds around it. Clouds and greenhouse gases keep the earth warm. Once warmed, their molecules then radiate a portion of this heat energy back to earth, creating more warming on the surface of our planet. It is this radiation which causes atmospheric gases to move back to earth that scientists call the "greenhouse effect".
Carbon dioxide (CO2) gas generated by man's burning of fossil fuels and the forests is responsible for about half the greenhouse gas warming. Other gases (CFCs, methane, nitrous oxide, tropospheric ozone) are responsible for the rest. Increases in all these gases are due to mankind's explosive population growth over the last century, and increased
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impact of these pollutants on water resources and aquatic life)
Air pollution is something in the air that causes harm to humans or the environment. There are many different forms of air pollutants and these are broken down further into primary and secondary pollutants. A primary pollutant is something that stems directly from a source such as volcanic ash or vehicle emissions. A secondary pollutant forms when two pollutants react in the atmosphere such as acid rain.
Most air pollution comes from one human activity: burning fossil fuels, natural gas, coal, and oil to power industrial processes and motor vehicles. Among the harmful chemical compounds this burning puts into the atmosphere
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natural gas. There are major concerns that are associated with the production of these alternatives. President Obama has made it his goal to help improve our economic dependence on oil by investing fifteen billion dollars a year to their production. (Wolinsky) Wolkinsky states “Obamas green adviser Daniel Kammen, University of California Berkeley, has urged him to back away from first - generation bio – fuels, warning that more greenhouse gases are emitted from cars using ethanol than from those using regular gasoline”. (Harrabin, 2008) This is another great example of the research that is further needed on alternative energies to prevent issues like increased admittance of greenhouse gases
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reasons to develop strategies to deal with this problem.
The United States Environmental Agency (EPA) is making efforts to reduce carbon pollution, which causes climate change and thereby poses a threat to the health and welfare of the population, Clean Air Act are regulations made to developing standards’ for greenhouse gas emission from stationary and mobile sources
http://www.reuters.com/article/2010/10/21/us-plants-idUSTRE69K4BH20101021 (plants clean the air)
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into the atmosphere as a bi-product. To add to the fact that farms play a huge role in clearing out land and therefore clearing out plants and other foliage, it is predicted that approximately 30%-35% of the earth’s greenhouse gas emissions are caused by the agricultural industry. To sum this up the agricultural industry is both hindering the amount of carbon the earth can hold by clearing out plants, while at the same time being one of the top contributors to releasing greenhouse gasses into the atmosphere. This will indefinitely affect the climate in the very near future in a negative way, which will not only effect us and the wildlife but also the farmers which will have to adapt to the
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. The burning of fossil fuels releases this sulfur as sulfur dioxide the largest contributor to acid rain. The release of carbon dioxide from the burning of fossil fuels, however, is of the greatest environmental concern. Carbon dioxide is the most important man made greenhouse gas and its rising atmospheric concentrations have already been proven to have begun affecting the global climate. The carbon content of coals is as much as 85 percent, a similar percentage is found in crude oil, natural gas has only 75 percent carbon and therefore its combustion generates the least amount of CO2 per unit of released energy.
When assessing fossil fuels we must understand two terms, reserves and
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big difference,” (para. 2). Although many governments and agencies are working to reduce GHGs, improvements need to include increases in solar, wind, hydrogen, and nuclear power, with a focus on sustaining natural gas, and biofuels. Along with decreasing the emissions we release to the atmosphere, we can also improve our GHGs by increasing the amount of gases we remove from the atmosphere. This would involve plating trees to absorb CO2 and improving the way we farm to increase the amount of carbon we are collecting.
Until we can reduce the emission of greenhouse gases and reduce global warming, there are small things we can do to assist marine animals in the Antarctic region so they do
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contributors of greenhouse gas cause the environment impact , so that another purpose of ‘Meatless Monday’ is to remind people to be concerned about the production procedures of meat that are harmful to environment. (Why Meatless?, n.d) Being vegetarianism can reduce greenhouse gases, one kilogram of meat brings about 30kg of greenhouse gases, but carrot, potato, rice are 0.42, 0.45 and 1.3/kg, respectively. (Why Meatless?, n.d) Also, large quantity demanded of meat will create the problem of carbon footprint. (Why Meatless?, n.d) Moreover, reduce the demand of meat can decrease the water usage of feed animals. 39 gallons water to produce pound of vegetables, but meat needed 45-fold
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animals. These remains are millions of years old. Fossil fuels, like coal, oil, and natural gas, provide the energy that powers our lifestyles and our economy. Fossil fuels are a finite, non-renewable resource. They remain the primary source for the production of electricity. Fossil Fuel is an attractive source of energy because it is the only powerful source of energy, and because they are accessible.
Alternative energy sources are those that are different from the typical sources we use today such as fossil fuels, nuclear and falling water; Alternatives can be solar, geothermal, hydrogen, gas, fusion, or any other energy source that a new technology could utilize (Tillery
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Conventional Electrical Energy Generation
Over 65% of the world's electrical energy used today is generated by steam turbine generators burning fossil fuels as their source of energy and large scale fossil fuelled plants provide most of the world's base load generating capacity.
The electricity generation process is described in detail in the section about steam turbines. This page considers issues concerning the fuel.
Fossil fuelled plants use either coal (60%), oil (10%)or gas (30%) in purpose designed combustion chambers to raise steam. These are all non-renewable resources whose supply will ultimately be exhausted. The energy content of these fuels and their variants is shown
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part of twenty century and have continued to be at the forefront ever since (Youngblood-Coleman, 2013).
Global warming starts with environmental degradation. This comes in many different forms but the effects are the same. The greenhouse gas emissions are a big cause of global warming and Spain ranks 18th in the greenhouse gas emissions (Youngblood-Coleman, 2013). The greenhouse gas comes from several different activities such as burning coal, other fossil fuels and removal of forestland (Ward, Mohr, Myers, & Nel, 2012). This has led to a depletion of our ozone layer. The ozone layer prevents ultraviolet radiation from reaching the earth (Max, 2007). Land degradation is another problem
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commitment to decrease CFC’s pollutants is important to other countries then it is for us too. As of last year, the U.S. Environmental Protection Agency (EPA) promised to begin decreasing carbon contamination from our power and nuclear plants by approximately 33% by the next 15 years, compared to levels 10 years ago, through the “Clean Power Plan” (IPCC, 2015). The U.S. Department of Transportation partakes in the regulation of CO2 contamination and gas economy criteria which will cut greenhouse gases by year 2025 (IPCC, 2015). Compounds like hydrofluorocarbons as found in heating and cooling systems, are being restricted by manufacture countrywide, and also inefficient home appliances like
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give back to the planet. Treating the environment responsibly is to care about its atmosphere. Just the fact that we get oxygen to breathe every day does not mean that the atmosphere does deteriorate. For example, human actions such as burning fossil fuels and clearing land are causing what we now know as global warming. Per capita, Victoria for example is one of the highest greenhouse gas produces in the world. Victoria’s energy sources produce approximately millions of tons of greenhouse gases each year. These emissions can be significantly reduced through a change in the behavior and attitudes of community, industry and government.
There are many ways ordinary people can make the
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result of natural formation of dead organism but can be used as energy for the human race. Fossils fuels are of great importance to us because it can be burned producing significant amount of energy. Coal is considered to be a fossil fuel; coal can be used to run things like furnaces and other warming devices that we use in our households. In the United States 90% of greenhouse gas emissions came from fossil fuels which contributed to the increase in global warming. These products are air pollutants but they are so widely needed until we can’t avoid using these organisms in our everyday life.
So with all this being said what can we actually do to prevent global warming? As humans
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possible future climate engineering. Most countries are parties to the United Nations Framework Convention on Climate Change, whose ultimate objective is to prevent dangerous anthropogenic climate change. The UNFCCC have adopted a range of policies designed to reduce greenhouse gas emissions and to assist in adaptation to global warming. Parties to the UNFCCC have agreed that deep cuts in emissions are required, and that future global warming should be limited to below relative to the pre-industrial level. It is very likely that human activities substantially contributed to this increase in ocean heat content.]]
The Earth's average surface temperature rose by over the period 1906–2005. The
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90% of its suppliers to be in compliance with its environmental standards by 2017. Some of these standards include an absolute greenhouse gas emission reduction. The company’s energy management program has resulted in reducing energy use by an average of more than nine percent each year for over six years. Sprint’s energy reduction in 2008 equates to 21,400 tons of CO2, or: Taking 3,918 passenger cars off the road for one year. Reducing oil use by 49,744 barrels per year. Saving the electricity used in 2,967 households each year. Preserving 149 acres of forest.
Sprint and Fit-lays initiatives are similar in that both companies have drastic measures for environmental sustainability. Sprint
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eager to attract commercial investment and visitors.
2. What factors will affect its long-term sustainability?
Purchase of new aircraft, which, while more fuel efficient, involve higher depreciation costs.
Fierce competition for the low-cost traveller: EasyJet is the most established competitor, but there are many others, whose services include, for example, allocation of seats, which appeals to many consumers.
Legal changes in the use of secondary airports, whether from the European Commission or local authorities.
Environmental pressures – low-cost air travel is a rapidly growing source of greenhouse gas emissions, as well as noise. While governments are unlikely to curtail their
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development of the country to solve its major problems of poverty, unemployment and illiteracy which are the basic elements of human development. The only way forward towards a developed nation high on the human development index is through massive economic growth which can only be achieved through industrialization.
The industrialization process mandates an increase in the greenhouse gas emissions. This would lead to a conflict between the goals of mitigating climate change and achieving economic development of the country. Thus, India has to find a fine balance between economic growth and reduction in emissions.
The debate is whether these climate mitigation policies impact the
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Cold-Water Detergents Get a Cold Shoulder
Tom Uhlman for The New York Times
A researcher for Procter & Gamble, Jack English, with fabric test samples. P.&. G makes Tide Coldwater, a category leader.
By ANDREW MARTIN and ELISABETH ROSENTHAL
Published: September 16, 2011
Newly formulated laundry detergents can wash most clothes perfectly well in cold water, manufacturers say, but customers are stubbornly refusing to turn down the temperature. Although some of these detergents have been available for several years, customers cling to mom’s age-old advice that hot water washes best — squandering energy and contributing to greenhouse gas emissions.
Add to Portfolio
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networking is AT&T (American Telephone & Telegraph); they too are taking necessary steps in the right direction for sustainability. Just like Verizon, AT&T has a number of programs in effect to help combat the impact, they as a company is putting on the planet. AT&T main focuses of sustainability include: greenhouse gas emissions, human and labor rights, conflict minerals, lead acid batteries, energy efficiency, sustainable packaging, water, recycling, diversity and ethics.
Since 2010, AT&T has completed over 14,300 different energy projects that have generated over $151 million in yearly energy costs. One of their biggest energy saving projects has been developing a
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market will increase if Lotus Rental Car company enters the market after its competitors (Schueneman, 2009).
One of the many advantages of owning a hybrid vehicle is saving money at the pump. Unlike your standard gas running car, this on average would do about 21 mpg highway and city driving. Hybrids on average are doing 30 mpg highway and city. An article written on nationalgeographic.com it shows the actual fuel saving over a year span “The average American driver between the ages of 34 and 55 drives 15,291 miles annually. Divide this annual mileage figure by 21 miles to the gallon for the standard model, and you will find that you would buy about 728 gallons of
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(1999) has meant that the UK and many other Governments have entered into a legally binding agreement to reduce greenhouse gases. In addition, the Government has set a unilateral target of 20reduction of carbon dioxide by 2010 from 1990 levels. This is a summary of the steps taken by Nestlé UK since 1994 to reduce greenhouse gas emissions:
the replacement of a coal-fired steam raising plant with a gas-fired combined heat and power plant at York, saving 45,000 tons of CO2 per year similar changes at Dalston - saving 24,000 tons Ashbourne - saving 9,000 tons Fawdon - saving 12,500 tons.
All figures shown relate to savings made per year.
As a company which produces frozen
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cities. This trend is continuing even today. More and more land that was covered with vegetation has been cleared to make way for houses. Natural resources are being used extensively for construction, industries, transport, and consumption.
All this has contributed to a rise in greenhouse gases in the atmosphere. Fossil fuels such as oil, coal and natural gas supply most of the energy needed to run vehicles, generate electricity for industries, households, etc. The energy sector is responsible for about ¾ of the carbon dioxide emissions, 1/5 of the methane emissions and a large quantity of nitrous oxide. It also produces nitrogen oxides (NOx) and carbon monoxide (CO) which are not greenhouse
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resources and the findings will all conclude that the climate is changing because of carbon emissions and deforestation. Greenhouse gases such as carbon dioxide, methane, nitrous oxide and chlorofluorocarbon absorb radiation and re-emits, some lost to space and some back warming the atmosphere; in essence this is the greenhouse effect. “A 2°C rise is sufficient to melt a significant portion of the world’s ice due to feedbacks that will hasten the melting. It will thus set the course to an ice-free world. Sea level will rise. Numerous islands will be threatened along with coastal regions throughout the globe.” (FOSTER 2013)
Professor Ian Pilmer a geologist and author of Heaven and Earth
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trees, plants, natives and animals.
In recently, the 20% of solar radiation is absorbed from the ice caps, since the sea, plants and rocks have the low albedo. This is because of oceans are darker than ice and snow; it absorbs more energy than it reflects, which causes the warming effect. Due to warming effect, it melts more ice and creates a cycle called the positive ice albedo feedback, which in turn causes an increase in average temperature, and therefore increases ice melting even more, and so on. This negative feedback mechanism will also further greenhouse gas emissions by the thawing of permafrost. Beneath the permafrost found on arctic tundra, are thousands of gallons of methane
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A study by the United Nations Environmental Programme (UNEP) Sustainable Building and Construction Initiative (SBCI) have shown that the building and construction industry worldwide is responsible for a third of total energy use and in most parts of the world, the greatest contributor of greenhouse gas (GHG) (UNEP-SBCI, 2009). One would therefore think that the efforts resulting from the Kyoto protocol which sets binding targets to reduce GHG emissions would focus on the Building and Construction industry, and this is an opinion which may be true. The effect of the protocol have seen a paradigm shift in the industry towards a ‘Sustainable Development’ movement, being more conscious to the
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. Technical risks, such as drilling issues can also prove to be catastrophic as well as other major equipment failure, blowouts, and weather interruptions. There are also political risks, which involve constant change in federal, state, and local laws as well as regulations and last Hess has environmental risks, which include oil spills and greenhouse gas emissions.
Today the Hess Corporation stock opened at $53.77 a share; however, it closed at $53.24, which is up from week four assignment and has been somewhat steady the last 30 days. This past summer the stocks dropped to below $40 a share from the highest point earlier in the year, which was trading at just above $65 a share. Furthermore