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Corporate Co-Optation of Big-Time Environmental Groups
Sierra Club
Corporate Co-Optation of the Sierra Club
Documents:
Sierra Club took $26 million from Chesapeake Energy
web
Dan Berman
Politico
2012-02-02
Sierra Club took $25 million from natural gas frackers
web
Bryan Walsh
TIME Magazine
2012-02-02
Sierra Club's air travel fuels global warming
web
Kathleen Braden
Seattle Post-Intelligencer
2007-06-04