Inter Press Service: - The largest climate rally in U.S. history is expected Sunday in Washington DC with the aim of pressuring President Barack Obama to reject the Keystone XL tar sands pipeline.
Activists are calling Keystone "the line in the sand" regarding dangerous climate change, prompting the Sierra Club to suspend its 120-year ban on civil disobedience. The group`s executive director, Michael Brune, was arrested in front of the White House during a small protest against Keystone on Wednesday.
"The Keystone...