New York Times: One way to measure environmentalism on college campuses is to size up their efforts to cut energy use or to recycle garbage. In rankings released on Monday, the Sierra Club`s Sierra Magazine anoints Green Mountain College in Vermont, which gets heat and electricity by burning locally sourced wood chips and methane from cow manure, as the nation`s greenest college. The magazine based its list on responses to an 11-page questionnaire sent to 900 colleges and universities. (It said that …