Many of Harvard's students, alumni, faculty and staff have set up blockades outside President Drew Faust’s offices with the goal of getting the university to stop investing in fossil fuels. Harvard isn't the first campus to be the site of such a protest: MIT had one just last week, as did Boston College. But Harvard's is gaining a lot of attention because of the prominence of the school and the involvement of one grad in particular, Bill McKibben.

McKibben’s 1989 book, The End of Nature, is seen by many as the catalyst to the climate change movement. He’s also the leader of