It will be politics that determines the material welfare of future generations: the pace at which we advance toward "our destination of economic bliss," andnperhaps, whether we continue to advance at all.

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.

The human response it calls for is truly heroic, requiring nothing short of rewiring the entire planet with a new generation of clean-energy technologies - and doing that very soon... Are we, as a species, capable of that kind of deliberate global response?

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?

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

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

In the year 2007, seals, otters, lions, turtles, frogs, apes, snakes, butterflies, polar bears, cheetahs, whales are disappearing along with their variously furnished homes: cloud forests, rain forests, ice pack, boreal forests, coral reefs, forests of deciduous trees, conifer and palm.