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7 December 2012
Two of the strongest knobs on Earth’s thermostat sit in the Arctic: sea ice and permafrost. Both spur feedback loops that can ripple down to lower latitudes and alter global weather patterns. Oliver Frauenfeld, a climatologist at Texas A&M University, thinks he has found another important knob on Earth’s thermostat that has hitherto been overlooked.
11 June 2012
Iceland is undertaking Europe’s largest reclamation project to replant birch and willows, especially in volcanically active areas, to help reduce erosion and improve the island’s ecological health.