Mayor Mike makes a $50 million donation to help the Sierra Club's “Beyond Coal” campaign. Meanwhile, Bill McKibben and Naomi Klein rally over a thousand demonstrators for civil disobedience against tar sands.
PowerShift's green organizers descended on Washington this weekend and gave Obama some tough love.
The agreements reached at last week's climate summit oblige all nations to reduce future emissions. The challenge now is to generate the political pressure to compel national leaders to accept realistic targets.