"The Obama administration's greenhouse gas ruling Monday was meant to send a warning to industry, the U.S. Congress, and the world: with or without a law, Washington will tackle global warming in a serious way."

"There are places where some wildlife that once thrived, are now gone. In Wisconsin, the Pine Marten has been wiped out. The shy animal looks a bit like a ferret. Pine Martens are members of the weasel family. Jeff Wilson and Dan Haskell are trapping pine martens in Minnesota for relocation to northern Wisconsin."

The Army Corps of Engineers is teaming up with The Nature Conservancy to change the way the Willamette River flows as part of their "Sustainable Rivers Project.

"Poland's Bialowieza National Park is home to some of the most impressive trees in Europe. Old growth oak, ash, spruce, hornbeam, linden, lime, and pine tower out of sight, their trunks dripping with luscious moss. For millennia these trees (some of which are more than 600 years old) have harbored legions of top carnivores, rare bugs, birds, and plants. Three packs of wolves range the park's wilderness, along with bison, lynx, wild boar, roe and red deer, otter, cranes, storks, three kinds of eagle, and four owl species." The park faces a number of threats, especially logging."

"The Great Lakes are under threat from the Asian carp, an invasive species of fish whose presence is pitting neighboring states against Illinois in a showdown with no clear resolution."

"Many major automakers have unveiled vehicles at the L.A. Auto Show that are within a year or two of the showroom, but a lot has to change for such cars to be common sights in the U.S. private fleet."

"In the long term, the Earth's temperature may be 30-50% more sensitive to atmospheric carbon dioxide than has previously been estimated, reports a new study published in Nature Geoscience this week."