State of the Union address demands greater support for green energy, at same time as touting expansion in US oil and gas
20 year moratorium to block all new mines in a one million acre area
In an open letter defending a controversial project, Canada's natural resources minister accuses a pipeline's opponents of colluding with 'radicals' and 'jet-setting celebrities'
Department of Interior rubber-stamps 500MW of wind and solar projects
As House approves controversial bill, administration says president will veto move to bounce him into Keystone XL pipeline approval
Obama tells GOP audience that Rick Perry, a governor whose state is on fire, is 'denying climate change'
Surprise announcement confirms tightening of US smog rules will have to wait until 2013
President Obama: "The single most important step we've ever taken as a nation to reduce our dependence on foreign oil"
President angers green groups with plans to expand drilling in Alaska and off Atlantic coast
White paper invites public input on how to deliver administration's promised clean energy targets
All eyes on Obama's State of the Union address as administration's "climate tzar" steps down
Extension of green incentives now depends on House vote