Obama names 4 top members of science team

President-elect Barack Obama's selection Saturday of a Harvard physicist and a marine biologist for science posts is a sign he plans a more aggressive response to global warming than did the Bush administration.

Obama names Holdren, Lubchenco to science posts

President-elect Barack Obama today named a Harvard physicist and a marine biologist to science posts, signaling a change from Bush administration policies on global warming that were criticized for putting politics over science.

Obama chooses global-warming foes for science posts

His selections as science advisor and NOAA head are two advocates for mandatory limits on greenhouse gas emissions. Environmentalists are heartened, and conservatives dismayed. President-elect Obama has selected two of the nation's most prominent scientific advocates for a vigorous response to climate change to serve in his administration, according to several sources, sending the strongest signal yet that he will reverse Bush administration policies on energy and global warming.

Environmental groups, scientists cheer Obama appointments

With a Nobel physicist and a former EPA chief on board, some expect Obama's White House to break from what they see as the Bush administration's record of overlooking science in favor of politics. With the nomination of Nobel Prize-winning physicist Steven Chu for Energy secretary, President-elect Barack Obama made sure no one missed the message in the resume.

More than 2T tons of ice melted in artic since '03

More than 2 trillion tons of land ice in Greenland, Antarctica and Alaska have melted since 2003, according to new NASA satellite data that show the latest signs of what scientists say is global warming.

Energy secretary pick argues for new fuel sources

Steven Chu, the Nobel Prize-winning physicist who is President-elect Barack Obama's choice for energy secretary, has been a vocal advocate for more research into alternative energy, arguing that a shift away from fossil fuels is essential to combat global warming.