Sources

Scientific Paper

Kelly, E.N., et al. "Oil sands development contributes polycyclic aromatic compounds to the Athabasca River and its tributaries." PNAS (December 7, 2009).

Images

North America, 2004 (Blue Marble: Next Generation; satellite: NASA Terra/Aqua, sensor: MODIS)

Oil sand in hand (Suncor Energy Inc.)

Athabasca River (USGSsatellite: NASA Landsat 7, sensor: ETM+)

Millennium Mine, July 29, 2009 (Satellite: NASA eO-1, sensor: Advanced Land Imager, credit:NASA Earth Observatory image by Jesse Allen and Robert Simmon)

Oil sands processing image (Erin Kelly)