In a free society, there comes a time when the truth - however hard it may be to hear, however impolitic it may seem to say - must be told.

If we walk down the sidewalk of any street in America a significant number of the people we pass by, if we dug into what they're going through in their lives, they're carrying burdens that they don't talk about but they're extremely heavy and painful. And so, one of the secrets of the human condition is that suffering binds people together. And when you go through something agonizing, others who know what you're feeling because they've been through it will so often reach out to you and connect with you, and give you strength and lift you up.

As human beings, we are vulnerable to confusing the unprecedented with the improbable. In our everyday experience, if something has never happened before, we are generally safe in assuming it is not going to happen in the future, but the exceptions can kill you and climate change is one of those exceptions.

It should be lifted above partisanship because it's a question of survival. It's a moral issue.

...it is appropriate to have an over representation of factual presentations on how dangerous it is, as a predicate for opening up the audience to listen to what the solutions are, and how hopeful it is that we are going to solve this crisis.

Consider what kind of car you get. Buy cars and other products that have the least impact environmentally.

I was recently on a tour of Latin America, and the only regret I have was that I didn't study Latin harder in school so I could converse with those people.