A new map showing man's dominance of the planet. The area in green represents farmland, covering a much wider area than earlier thought. Map by USGS.
Sunday, 11 December 2011
Ancient Climate Record Points Toward Potential Rapid Climate Changes
ScienceDaily (Dec. 8, 2011) — New research into Earth's paleoclimate history by NASA's Goddard Institute for Space Studies director James E. Hansen (l.) suggests the potential for rapid climate changes this century, including multiple meters of sea level rise, if global warming is not abated. Details here.
PLT: Dr. Hansen is one of those rare birds - a scientist/activist! Here, he is shown being arrested at demonstrations at the White House, protesting against the Keystone XL pipeline. We need more like him!