Blue and Green: The White House has made the decision to deny TransCanadas application to build the Keystone XL pipeline, marking the first time in history a world leader has turned down a major infrastructure project because of its impact on the climate. In response to the news that 350.org co-founder Bill McKibben issued the following statement: President Obama is the first world leader to reject a project because of its effect on the climate. That gives him new stature as an environmental leader, and it eloquently...