Science is warning us that if we do not quickly reduce the global warming pollution that is trapping so much of the heat our planet normally radiates back out of the atmosphere, we are in danger of creating a permanent 'carbon summer'.

Mother Nature does not do bailouts.

You know, in physics there's the old law for every action there's a equal amount of reaction. Sometimes that's true in politics. If somebody's out there making nonsensical statements, but wielding power behind them a lot of people say, "Well, I need to react to that." I think that's happening.

I'm going to be focused on doing everything I possibly can to help solve the climate crisis.

We're all capable of mistakes, but I do not care to enlighten you on the mistakes we may or may not have made.

When we respond to threats immediately and take action right away, it's usually the threats that we're hard-wired to respond to, the kinds of things that our ancestors survived.

We have to use our reasoning capacity and set long-term goals based on our deepest values.