clean and efficient aviation technology / heavy oil / conventional oil / oil shale / oil sources / transportation greenhouse gas releases / mountaintop removal coal mining / oil production / aviation industry accounting / oil / chemicals / oil shale production / /
NaturalFeature
Athabasca River delta / Boreal forest / /
Organization
Federal Aviation Administration / Pembina Institute / United Nations / U.S. government / National Aeronautics and Space Administration / U.K. Royal Aeronautical Society / Natural Resources Defense Council / Environmental Protection Agency / /
Person
Liz Barratt-Brown / David Dodge / Susan Casey-Lefkowitz / Brian Siu / / /