From the sentencing of civil disobedient Tim DeChristopher to the arrests of public protesters like Bill McKibben, 2011 turned out to be one of the most contentious years for environmental issues in recent memory. The college co-eds of 350.org joined forces with the Occupy Wall Street movement in New York City. Farmers joined rallies in rural towns in Nebraska to stand against a pipeline. Landowners in Pennsylvania broke their vows of silence after they found that the energy companies taking gas from beneath their farms had also polluted water supplies. None of those stories will go away in 2012, so we’ll catch you up on the things you should know heading into the New Year.