I've always been more interested in organisms that can move on their own than in stationary plants. But when I canoe or hike along the edge of lakes or oceans and see trees that seem to be growing out of rock faces, I am blown away. How do they do it?

The failure of world leaders to act on the critical issue of global warming is often blamed on economic considerations.

The future doesn't exist. The only thing that exists is now and our memory of what happened in the past. But because we invented the idea of a future, we're the only animal that realized we can affect the future by what we do today.

If America wants to retain its position as a global power, its president must listen to the people and show strong leadership at this turning point in human history.

Equity and economic justice are now hardwired into all of our climate policies.

The oceans produce up to 70 percent of our oxygen, they shape our climate, and they support an American oceans economy larger than our nation's entire agriculture sector.

Unprecedented technological capabilities combined with unlimited human creativity have given us tremendous power to take on intractable problems like poverty, unemployment, disease, and environmental degradation. Our challenge is to translate this extraordinary potential into meaningful change.

We have to, as a progressive movement, organize climate justice and reproductive rights and racial justice. We've got to do this. We can't continue to organize in silos.