Wired: The bloody conflict in Syria--which enters its fifth year this month--has killed almost 200,000 people, created 3.2 million refugees, and given rise to the murderous extremist group known as the Islamic State. The roots of the civil war extend deep into Syrias political and socioeconomic structures. But another cause turns out to be global warming.
When violence erupted in Syria during the Arab Spring in 2011, the country had been mired in a three-year drought--its worst in recorded history....