The most rational defender of nature is driven by a passion for wildness that cannot be explained by an appeal to logic.

No generation before us has faced a decade of choices that will so profoundly impact the course of life on this planet as those we now face. And no generation before us has had the opportunity to enrich the future so vastly.

One hundred years ago, visionary political leaders from the Progressive Era established a system of national forests and parks in our country that are the envy of the world and today are the treasure of an entire nation. Why not a similar, global vision for our generation?

Stabilizing the climate is not about saving the human species... Stabilizing the climate is a precious opportunity to pass on to all future human beings gifts of immense value, gifts that, once gone, will be beyond the imagination and skill of humanity to recreate.

The most rational defender of nature is driven by a passion for wildness that cannot be explained by an appeal to logic.

The Arctic is the planet's air conditioner and it's starting to break down.

A new politics can spark the clean-energy revolution that will serve as a foundation for a new era of human prosperity, protect the world's forests, stabilize the climate, and preserve the diversity of life on the planet.