| Global warming is expected to change magnitude to | | | | average temperature has increased about 0.7 to 1.4 |
| the worse of the intensity of power of nature, such | | | | degrees F (0.4 to 0.8 degrees C). Global warming is |
| as storms, hurricanes, tropical cyclones and | | | | influenced not by individual weather events, but by |
| tornadoes. It is determined not by individual weather | | | | the global average surface temperature. North |
| events, such as heat periods or cold snaps or | | | | America did go through a reasonably normal winter in |
| hurricanes, but by the planetary average above | | | | 2006-2007, and some parts had severely cold |
| ground temperature. It is already raising the intensity | | | | weather this year. |
| of hurricanes in the North Atlantic, increasing the risk | | | | Greenhouse gases are an air pollution problem, and all |
| of devastating impact when a storm strike. | | | | air pollution problems of the past have required |
| Global warming is also the cause of more spectacular | | | | significantly less to fix than projected, while declining |
| variations and changes in the weather in some areas. | | | | speedier than believed. This gives cause to wish that |
| It is already affecting the world we know, | | | | artificial greenhouse gases can be contained |
| endangering polar bears, cutting down ski seasons | | | | reasonably inexpensively and without sacrifying the |
| and creating more intense storms, hurricanes and | | | | planetary economy. Greenhouse gases are |
| cyclones. Global warming is a big gamble for an | | | | transmitted by activities such as the burning of |
| increase in the average temperature of the world's | | | | fossile fuels, land clearing, and agriculture. Other |
| surface. | | | | phenomena such as solar fluctations and volcanoes |
| Global warming is dreadful news for human life, | | | | have had smaller and likely disadvantageous cause. |
| including differences in agricultural yields, liquifying of | | | | Global warming is already under way. The evidence is |
| glaciers and the poles, and the extinction of doomed | | | | strong and the importancy of taking action is getting |
| species for ever. | | | | more distinct with every new scientific study. We |
| Global warming is an increase of average world | | | | have ten years at most, to initiate doing distinct cuts |
| temperatures as a result of what is known as the | | | | to our greenhouse gas pollutions, or we will face |
| greenhouse effect. Different gases in the | | | | severe consequences. The great news is that there |
| atmosphere behave like glass in a greenhouse, | | | | is much we can do, but only if the world's different |
| allowing sunlight through to heat the world's surface | | | | governments acts now and take a firm stand on |
| but holding back heat as it emits back into the space, | | | | their affect on the rest of the world, especial such |
| causing an increase in the average temperature of | | | | progressing powers as India and China, to link up in |
| the world's surface. After the late 1800's, the global | | | | an global effort to prevent the global warming. |