Most of these emissions, about 82%, are from burning fossil fuels to generate electricity and power our cars. ... Before the Industrial Revolution, human activity released very few gases into the atmosphere, but now through population growth, fossil fuel burning, and deforestation, we are affecting the mixture of gases in the atmosphere. ... Several factors can affect the emissions per person in a state, for example, the types of fuel used to generate electricity, population and vehicle miles traveled ,and whether fossil fuels are extracted or processed within the state. ...

• Word Count: 3240
• Approx Pages: 13
• Grade Level: Undergraduate

The theory behind this effect is that human emissions of certain gases, namely CO2 from the burning of fossil fuels, Methane from agriculture, nitrous oxide (NO2) from agriculture and fossil fuel burning, and Fluorocarbons from refrigeration and industrial applications, are acting to cause the world climate to become warmer by causing a positive feedback cycle. ...

• Word Count: 2525
• Approx Pages: 10
• Has Bibliography

Greenhouse gases(like carbon dioxide) are most often created as a result of burning fossil fuels such as coal, natural gas, and oil. ... In Alberta, the province that is most vulnerable to the changes that the ratification of the accord will bring is so because they rely almost completely of fossil fuels to produce their energy. ...

• Word Count: 2601
• Approx Pages: 10
• Has Bibliography
• Grade Level: Undergraduate

These greenhouse gases result from human activities like fossil fuel burning, and deforestation. ... The various causes ranged from climate to fuels. ... Carbon dioxide and fossil fuel are at high levels. ...

• Word Count: 6155
• Approx Pages: 25
• Grade Level: Undergraduate

"In the face of opposition from a strong fossil fuel lobby, he (Chrétien) moved forward with the long term interests of Canada and the globe in mind-, said Jennifer Morgan, director of the World Wild Life Fund referring to Chrétien's victory. ...

• Word Count: 2572
• Approx Pages: 10
• Grade Level: Undergraduate