Posts Tagged ‘global warming’

Global warming

Tuesday, July 28th, 2009

As far as I can see there is overwhelming evidence that global warming is real, rapid and at the very least partly driven by human activities. Everything from plant hardiness zones moving north, melting sea ice, collapse of ice shelves, extremely rapid melting of glaciers and ice sheets, ecosystems moving towards the poles or to higher altitudes, and so on. In the past the speed of warming seems to have been underestimated – Read the rest of Global warming »