It is time to start going door to door and convincing our neighbours to vote for a clean-energy future.

The fate of hundreds of thousands of species on this planet may be decided in the next decade. To slow the rush to extinction, we need to achieve real, substantive political power, and we need to get there fast.

We stand at a moment in history without precedent. Decisions that are ours to make over the next ten years will have a sweeping impact on the future direction of life on the planet.

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 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?

The highest and best use of our time that really matters over the next decade will be working to elect clean-energy candidates, especially in swing states and swing districts around the country.

I tell my graduate students [at Bard College], ‘There are two ways to change the world: through policy, or through sustainable business.’ With sustainable business, individuals build solutions within the current system… Sustainable business asks, ‘How would nature do this?’