| The climate change is affecting our forests worldwide. In Alaska, 20 million trees died when they were infested with the spruce bark beetle. The bugs multiplied more rapidly because of warmer than normal temperatures. Also in the United Sates, the chance of forest fires at Yellowstone National Park is increasing, also because of warmer temperatures. The Galapagos islands suffered from several fires in 1994. In 1997 several unexpected forest fires occurred in England. In Siberia, thawing caused the once frozen ground to turn into a huge mud puddle, in which trees and houses were swallowed up. Destructive forest fires have ravaged Australia's trees. In Africa, Central and South America, Southeast Asia and Australia, the trees have shown an increased growth rate, but they are dying at a younger age. | Many countries are trying to stop global warming by cutting down on activities that produce greenhouse gases, but this poses a problem. For example, current methods of generating electricity create CO2, the main greenhouse gas. Yet electricity is needed everyday, and everybody uses it. So, alternative ways to produce electricity are being found. In Denmark, the government is sponsoring the building of wind generated power plants. The wind power is relatively inexpensive, effective, and environmentally friendly. |
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