Black smoke billows from the chimeny of an industrial plant is the northern Lebanese coastal town of Anfeh, near Tripoli.
If summer temperatures have you hot and bothered, you might not be the only one. A new study published in the journal Science finds a link between global warming and human violence ... everything from domestic abuse to large scale civil war.
Here to tell us more is Edward Miguel. He's a co-author of the study and an economics professor at UC Berkeley.