John Kerry: “Climate change did not cause the tragedy of the war in Syria. A prolonged historic drought, however, killed off such a…”

Depending on what it involves, shadow diplomacy has also saved us from a war.

Obviously, we're already seeing ways in which it's going to affect people.

We are competing, but everybody has their own approach, which is one of the exciting things here.

Without a border protected you don’t have a nation.