Fixed powerpoint logan.
- 4. Global Warming by Logan Seabolt
- 9. What is global warming?
- 11. global warming noun -the gradual increase in the overall temperature of the earth's atmosphere due to the greenhouse effect caused by increased levels of carbon dioxide, chlorofluorocarbons, and other pollutants.
- 13. Global Warming Cause: Carbon dioxide emissions from fossil fuel burning power plants.
- 14. Global Warming Cause: Carbon dioxide emissions from fossil fuel burning power plants.
- 17. 40% of U.S. CO2 emissions come from electricity production
- 21. Burning coal accounts for 93% of CO2 emissions from the electric utility industry.
- 22. Modern car culture is responsible for about 33% of CO2 emissions in the U.S.
- 26. Increase in usage of chemical fertilizers on croplands also contributes to global warming.
- 28. The high rate of application of nitrogen-rich fertilizers has effects on the heat storage of cropland (nitrogen oxides have 300 times more heat-trapping capacity than carbon dioxide).
- 30. How does global warming affect our climate?
- 31. j
- 32. In regions surrounding the Arctic such as Alaska, western Canada, and eastern Russia, winter temperatures have already climbed by 4– 7 degrees Fahrenheit over the last half-century. j
- 33. Global warming has also caused glaciers to melt and oceans to rise.
- 34. Since the mid-19th century, sea level has been rising.
- 35. During the 20th century, sea level rose about 15-20 centimeters.
- 36. .....roughly 1.5 to 2.0 mm/year
- 37. As the glaciers melt the arctic habit and land mass are decreasing.
- 38. " According to the National Snow and Ice Data Center, "since 1979, winter Arctic ice extent has decreased about 4.2 percent per decade.
- 39. Global warming has many Arctic species on the decline.
- 40. The polar bear would be the first U.S. mammals officially deemed to be in danger of extinction because of global warming.