| Global warming is expected to increase the intensity | | | | to 0.8 degrees C). Global warming is regulated not by |
| of forces of nature, such as storms, hurricanes, | | | | singular meteorological events, but by the global |
| tropical cyclones and tornadoes. It is influenced not | | | | average surface temperature. North America did go |
| by individual weather events, such as heat periods or | | | | through a fairly normal winter in 2006-2007, and |
| cold snaps or hurricanes, but by the earth's mean | | | | some parts had extremely frigid weather this year. |
| surface temperature. It is already raising the intensity | | | | Greenhouse gases are an air pollution problem, and all |
| of hurricanes in the North Atlantic, increasing the | | | | air pollution problems of the past have required |
| chance of crushing force when a storm strike. | | | | significantly less to fix than projected, while declining |
| Global warming is also leading to more impressive | | | | faster than predicated. This gives cause to believe |
| swings in the weather in several places. It is already | | | | that artificial greenhouse gases can be controlled |
| changing the earth we know, jeopardizing polar | | | | reasonably inexpensively and without resigning the |
| bears, shortening ski seasons and producing more | | | | earth's economy. Greenhouse gases are exhausted |
| powerful storms, hurricanes and cyclones. Global | | | | by activities such as the combusting of fossile fuels, |
| warming is a large chance for an increase in the mean | | | | land clearing, and agriculture. Other phenomena such |
| temperature of the earth's surface. | | | | as solar fluctations and volcanoes have had less and |
| Global warming is dreadful news for earth born life, | | | | likely disadvantageous cause. |
| including changes in agricultural yields, liquifying of | | | | Global warming is already under way. The evidence is |
| glaciers and the poles, and the extinction of doomed | | | | vast and the urgency of requiring doing something |
| life forms for ever. | | | | becomes more distinct with each new scientific work. |
| Global warming is an increase of mean global | | | | We have ten years maximum, to begin doing |
| temperatures as a result of what is recognized as | | | | unpleasant decreases to our greenhouse gas |
| the greenhouse effect. Different gases in the | | | | pollutions, or we will go thru dramatic consequences. |
| atmosphere act like glass in a greenhouse, allowing | | | | The great news is that there is something we can |
| sunlight through to heat the world's surface but | | | | do, but only if the planet's different leaders acts |
| trapping heat as it radiates back into the space, | | | | immediately and asserts their influence on the rest of |
| creating an increase in the mean temperature of the | | | | the world, especial such emerging countries as India |
| earth's surface. Since the late 1800's, the global mean | | | | and China, to link up in an worldwide effort to stop |
| temperature has rised about 0.7 to 1.4 degrees F (0.4 | | | | the global warming. |