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More than intuitive, this new index could also prove very useful, especially to conservationists who work to keep species from extinction. While the average velocity of climate change may be a bit less than a half-kilometer per year worldwide, according to the paper, it can be significantly faster or slower depending on the local topography. In deserts and other flat areas, such as the Amazon basin, climatic zones will move faster, while hilly or mountainous terrain will slow things up. "In the Northern Hemisphere, for example," explains lead author Scott Loarie, "north-facing slopes tend to be cooler...
...short, opposite sides of a mountain may have different climates, even though they're close to each other. In areas with varied terrain including lots of hills, therefore, hospitable conditions might be available relatively nearby. "That was the unexpected message," says Loarie, an ecologist at the Carnegie Institution for Science at Stanford University. "There's lots of buffering capacity in heterogeneous landscapes...
...authors, including scientists at Climate Central in Palo Alto and the California Academy of Sciences in San Francisco, emphasize that their velocity maps are oversimplifications - at least so far. For one thing, they do not account for the unique characteristics of various species within a given ecosystem. Some species may have more tolerance for climate changes than others, and may not need to move as quickly; some species may be intolerant of change but unable to move. Other species may be sensitive to changes in rainfall, while still others responsive only to temperature - and changes in these weather patterns may...
...House of Representatives, "Hardworking people who have suffered most from the mistakes of others should not have to decide between trying to meet an enormous expense or going without health care." With nearly 15 million Americans looking for work, Sestak said the health care bills being debated by Congress may eliminate the need for COBRA, but that those provisions, if included in the final bill that reaches President Obama's desk, may not take effect until...
...state remains proud of its native son, no matter how many national debates he may spark. Nevertheless, Obama will be coming home to a state struggling with the sour taste of recession. Although a forecast this month by University of Hawaii economists predicted that the new year will bring improvement, unemployment hovers at 7% and, for the all-important tourist trade, visitor arrivals are down 4.2%. Perhaps worse, at least among the parents of 170,000 public schoolchildren, is the national scolding Hawaii received by U.S. Education Secretary Arne Duncan after Hawaii Gov. Linda Lingle closed schools on Fridays...