We have built a greenhouse, a human greenhouse, where once there bloomed a sweet and wild garden.

Renewable energy is far more labor-intensive than fossil fuel production.

TV makes it so easy to postpone living for another half hour.

I think fracking for gas will reduce the incentive to turn to renewables, and I think it will do a lot of other damage across the countryside.

I think that some of it is electoral - helping candidates that are willing to take dramatic actions, not just to say a few words about how climate change might be a problem.

To me, it's more important to take the 60-70% of people who really understand that there's a problem [of climate change] and get some percentage of them active than to try and stamp out the last embers of pre-scientific thought.

The roof of my house is covered in solar panels. When Im home, Im a pretty green fellow.