Wolves alleviate impact of climate change on food supply, finds new UC Berkeley study
... eagles and ravens, the researchers said. Shorter, warmer winters brought on by global warming increase the survival rate of elk, causing a food shortage for the scavengers at a time when other resources are scarce. With the help of the gray wolves, however, elk are regularly killed off regardless of the ...Acid rain likely stunts US forests
... The declining tree health has occurred despite a warmer and wetter climate in this region that would be expected to improve growth. These results have direct relevance to the United States, where large areas of eastern forests, such as the Adirondack and Catskill regions of New York, have soils that ar...Climate change to bring a wave of new health risks
...may already be seeing the health consequences of a warmer world: The heat wave that struck Europe in the sum...are already being taken to mitigate the effects of warmer climate and the "heat island" effect created by cities. Rooftop gardens are being encouraged by, amo...Scientists discover how climate change causes the simultaneous boom or bust of multiple populations
...mes -- sometimes we get colder winters followed by warmer summers and then suddenly we get a warm winter, for example," he says. The research indicates that brief episodes of extreme weather conditions may produce important ecological effects, and that these effects could be big, quick, and dynamic. "This...New evidence indicates biggest extinction wasn't caused by asteroid or comet
...e, there is ample evidence that the world got much warmer over a long period because of continuous volcanic ...thing died," Ward said. "It was a double-whammy of warmer temperatures and low oxygen, and most life couldn't deal with it."...Say goodbye to Rudolph and other reindeer if global warming continues
...number of reindeer went down," said Grayson. "The warmer the summer, the fewer the reindeer. And when the Pleistocene Epoch ended about 10,000 years ago and summer temperatures soared, reindeer disappeared. Sometime between 11,000 and 10,000 years ago, reindeer became extinct from higher elevations in so...Study in Royal Society journal on evidence for impact of global warming on bird populations
...This further suggests that ability to reproduce in warmer and warmer conditions is a key component of species sensitivity to climate change. Contact: Dr Romain Julliard,...Ancient marine invasion sheds light on diversity
... but during the invasion, the rocks were formed in warmer waters. During the Ordovician, the central United States was situated on the equator. The rock deposits indicate that the temperatures were increasing on a regional scale, just prior to a significant interval of global cooling. "We want to see how...Story tips from the Department of Energy's Oak Ridge National Laboratory, October 2004
...r's dream -- a "frostless" heat pump that produces warmer air than conventional air source heat pumps, espec...heat pump uses a device that enables it to produce warmer air faster and for longer periods while minimizing the defrosting cycle. Recent testing in several E......e, the authors express concern. "Any trend towards warmer temperatures in the future could lead to a serious long-term increase in aridity over Western North America," they write in the paper. Co-author Dr. David Meko of the University of Arizona tree ring lab notes that the drought that has gripped the we...