New York Times: Many observers were surprised on Monday when President Vladmir V. Putin of Russia - the head of a heavily polluting petrostate and a longtime skeptic of climate change - offered a platter of climate-friendly platitudes to his fellow world leaders.
"Climate change has become one of the gravest challenges humanity is facing," he said. He went on, "Caused by global warming, hurricanes, droughts, floods and other anomalies are the source of economic damage."
If the other leaders' jaws did not drop,...