Green, Solar & Wind Power

Green Generators Rising global temperatures that have lured plants into early bloom and birds to nest earlier in the spring are altering the ranges and behavior of hundreds of plant and animal species worldwide, two studies conclude.

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Solar Panel From North America's marmots to Britain's birds, the findings could spell bad news for species already stressed by habitat loss if predictions of global warming over the next century pan out, the authors said in the studies, which appear in today's issue of the journal Nature.

During late fall and early winter, the fohn, a warm southern wind, can bring Bavaria and the Alps warmer temperatures than the lowlands.

Epa Greenpower Other scientists said the studies, which are based largely on research done previously in Europe and North America, could foretell the extinction of many species in the coming decades as rising temperatures force them to retreat from their historic ranges or face new competitors.

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Wind Energy Alastair H. Fitter, a professor of biology at the University of York who has documented the trend toward earlier-blooming flowers in Britain, said the studies' conclusions that the ranges of hundreds of species are shifting northward in response to warming temperatures are disconcerting.

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Solar He said the two papers show that plants and animals are already being affected by global warming, although Earth's average temperature climbed only about 1 degree Fahrenheit in the past century.

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Nuclear Power "These papers are the conclusive evidence that the natural world is already responding in a big way to climate change, even though that change has only just got going and there is a lot more to come," Fitter said.

Greenpower Inc A United Nations panel has predicted that average global temperatures could rise as much as 10.5 degrees Fahrenheit over the next century as heat-trapping gases from human industry accumulate in the atmosphere.

Solar Electricity Fitter said if that occurs it may drive some plant and animals species to extinction as their ranges shrink or they are forced to compete with other species moving into their territory.

Power Greene Working independently, two research teams reviewed hundreds of published papers that tracked changes in the range and behavior of plant and animal species believed caused by human-driven global warming.

Green Electric Both teams concluded that they had found the "fingerprint" of global warming on hundreds of species, from insects to birds and mammals, even after taking into account other possible causes such as habitat loss.

Am Greenpower Other scientists said the two studies, in pulling together hundreds of published scientific papers for two comprehensive analyses, add another piece of evidence -- along with retreating glaciers, warming oceans and shrinking snow cover -- that global warming is impacting the Earth.

Renewable Electricity Mike Novacek, provost of science of the American Museum of Natural History in New York, said much of the data in the two papers was based on studies of wildlife found in North America and the United Kingdom.

Green Company New research of plants and animals representing a wider range of Earth's life would conclusively pin down the evidence, said Novacek, who was not involved in the research.

Led Greenpower Camille Parmesan, a biologist at the University of Texas at Austin, worked with a colleague to review studies that tracked about 1,700 species, often over several decades. While about half of the species showed no changes in behavior or range shifts, the changes seen in the other half clearly pointed to global warming as the culprit, she said.

Alternative Energy "The climate scientists have really shown that global warming is happening. What we've found is that it's not only happening but it's having a big impact," she said.

Green Products In an analysis of 172 species of plants, birds, butterflies and amphibians, Parmesan found that spring events such as egg-laying or flower-blooming advanced 2.3 days on average each decade.

Green Powers By Rick Callahan
Associated Press - 1/2/2003

Topic: Climate Change

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