John Kerry: “We had a counterterrorism summit this past week, last week, which really underscored how big a challenge this is.”

We lose about 8 million people a year to the quality of air, lack of quality actually, air pollution.

Ninety-eight percent of all the scientists in the world agree----

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

It is not fair for us to be reducing.