Author’s Note: A free review copy of this book was provided to me by the publisher, Alfred A. Knopf. Whether or not you like polar bears, Richard Ellis’s book On Thin Ice: The Changing World of the Polar Bear (affiliate link) is a fascinating read. Ellis is the author of more than a dozen books […]
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Fans of the polar bear, and people concerned about the environment, won a major victory in May 2008 when the big, white bears were listed as a “threatened species” under the Endangered Species Act (ESA). It took lawsuits and petitioning efforts by the Center for Biological Diversity, NRDC, Greenpeace, and other organizations to overcome the […]
As the earth warms, the melting of the earth’s two massive ice sheets—Antarctica and Greenland—could raise sea level enormously. If the Greenland ice sheet were to melt, it would raise sea level 7 meters (23 feet). Melting of the West Antarctic Ice Sheet would raise sea level 5 meters (16 feet). But even just partial melting of these ice sheets will have a dramatic effect on sea level rise.
This post is by Lisa Moore, Ph.D., a scientist in the Climate and Air program at Environmental Defense. All year long we’ve been monitoring developments in climate science, and posting about the important new developments. I thought now would be a good time to look back over 2007 and summarize what we’ve learned. Here are […]