Sources: 350.org Reuters The Independent
Top NASA scientist James Hansen retires in order to concentrate on global warming activism. 2013-04-2
Environmentalists, citing greenhouse gas emissions and risks of oil spills, including climatologist James Hansen are arrested outside the White House in Washington D.C. in a protest to urge President Barack Obama to reject TransCanada Corp.'s $7 billion proposed Keystone Pipeline extension from the Athabasca Oil Sands in northern Alberta in Canada to the US Gulf Coast. 2011-08-30