"Did climate change cause that heat wave? That hurricane? That drought?

A new collection of studies examined extreme weather events last year, including drought, floods and storms, to look for signs that climate change was a cause or contributor — and found mixed results.

The papers are part of a broader effort to recognize the effects of climate change as the world warms, and to tease out those factors from other possible causes of extreme events."

John Schwartz reports for the New York Times November 5, 2015. [2]