Melting icebergs near Horseshoe Island in Antarctica in February Sebnem Coskun/Anadolu Agency via Getty Images
Unprecedented bouts of extreme weather and related events around the world raise the question of whether climate scientists have underestimated how fast the world is warming and how severe the consequences will be. Here are the key facts you need to know.
Is the world warming faster than we expected?
No, it isn’t. The rise in the average global surface temperature measured so far is well within the range that climate models have projected for levels of greenhouse gases…
