U.S. Sen. Sheldon Whitehouse, D-R.I., called global warming "the single greatest threat to the world's natural environment" as he announced a new bill that would create a national strategy for addressing the affect of climate change on America's wildlife.
(Whitehouse, incidentally, has one of the best political names of all time.) Sen. Barbara Boxer, D-Calif., is a co-sponsor. ("Boxer" isn't a bad political name, either.)
Global warming is already affecting many species. As summer warmth extends longer into spring and fall, for instance, the migration of some bird species is changing, and their ranges are shifting northward with the climate. Species that aren't as mobile as birds and which can't shift with the climate -- such as those in the icy north, where there is no more northerly latitude to flee toward, or on mountaintops where there is no higher altitude -- are particularly in danger. Emissions of carbon are also leading to an acidification of the oceans, which is already preventing some species from forming calcium carbonate shells.
The Global Warming Wildlife Survival Act will:
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