3. Global Warming

4. Global Warming
by Logan Seabolt

5. 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.