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.
Wednesday, 19 April 2017
Climate change causes glacial river in Yukon to change direction
Glacier retreated so much that its meltwater switched course, in an event not documented in modern times. Story here. The Kaskawulsh glacier from which the river in question used to flow - in a different direction. 2014 Photo by Gstest