• Leading green scientist joins team
Sunday 21 December 2008Barack Obama ushered in a revolution in America's response to global warming yesterday when he appointed one of the world's leading climate change experts as his administration's chief scientist.
The president-elect's decision to make Harvard physicist John Holdren director of the White House Office of Science and Technology Policy reveals a new determination to draw a line under eight years of US policy that have seen George Bush steadfastly reject overwhelming evidence of climate change. More >>>