Most of the men and women who vote in Congress each year to continue subsidies have taken campaign donations from big energy companies.

Climate change is the single biggest thing that humans have ever done on this planet. The one thing that needs to be bigger is our movement to stop it.

In the last two years 24 countries have set new all-time temperature records. We've seen flooding on an epic scale in every continent .

There is basically no one not on the payroll of Exxon Mobil or coal companies who any longer contend that this is not something to worry about.

One degree turns out to be enough to really unhinge all sorts of earth's ecosystems.

We've built a new Earth. It's not as nice as the old one; it's the greatest mistake humans have ever made, one that we will pay for literally forever.

It is a complete embarrassment and literally shameful that the country that first of all invented environmentalism and gave it to the world, and second of all did all the science originally around climate and global warming and presented that to the world, has been the country that has refused to participate in a constructive way to the solution.