“If the ocean continues to accumulate heat and increase melting of marine-terminating ice shelves of Antarctica and Greenland, a point will be reached at which it is impossible to avoid large-scale ice sheet disintegration with sea level rise of at least several meters,” the report states. “The economic and social cost of losing functionality of all coastal cities is practically incalculable.
“We believe the time has come for scientists to speak out about the magnitude and importance of the oil sands issue and to step forward as participants in an informed and international public dialogue. Working together, we can solve the energy problems before us. It is not too late, but the time to act is now.”