Deadly fires in North America and European flooding push limits of scientists' climate projections

Climate scientists have for decades warned that the crisis would lead to more extreme weather, that it would become deadlier and more frequent. But many are expressing surprise that heat and rain records are being broken by such large margins.

But in the past month, it's been the developed world on the frontline. In the past four weeks, floods in Germany engulfed streets and swallowed homes that had stood for more than a century in the quiet village of Schuld. A Canadian town of just 250 -- known more for its cool, mountain air -- burned to the ground in a wildfire that followed unprecedented heat.