TGG Report on CA Well Stimulation DEIR (PDF) March 18, 2015 Report TGG Report on the economics and air emissions related to CA well stimulation Draft Environmental Impact Report.
Climate Impacts from the Proposed Keystone XL Tar Sands Pipeline - White Paper (PDF) July 23, 2013 Report Summary and report on climate impacts from the Proposed Keystone XL Tar Sands Pipeline.