Water and food scarcity in the Middle East have caused massive problems that are only going to get worse. Defeating Da’esh militarily is only a little bit of the difficulties humanity faces. Long, depressing, persuasive essay by Yonatan Zunger on Google+: https://plus.google.com/u/0/+YonatanZunger/posts/RN2yx54bxPa
The environment, famine, and terrorism—things are going to get worse before (if) they get better
The curious incident of DD on the Web 