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Cool Antarctica: Pictures, Information, and Travel Guide
A complete look at the continent of Antarctica. You can view pictures, utilize a fact file index, and get a historical timeline.
New York Times
New York Times: Learning Network: Alaska Thaws, Complicating the Hunt for Oil
Over three decades, rising temperatures have cut the frozen season in half in Alaska. Oil-prospecting convoys in search of new deposits are allowed to crisscross the fragile tundra only when it is snowy and solid. Find out about the...