Now, here's a good question: should serious people focus on global political instability - terrorism, failing states, nuclear weapons - or should we focus on global climate instability - droughts, floods, extreme weather? Here's the correct answer: yes, both, because climate disruption will make every other national security problem worse.

We've have to heed our Biblical obligation to be good stewards of the Earth after leaving the Garden of Eden.

We're just trying to end illegitimate government support for a single technology, which is un-American. We should be leading the world in the next generation of technological innovation. But we can't unleash private capital because of what the government is doing to stifle innovation and to choke competition.

The main piece of technology in the green economy is a caulk gun.

If you look at my career over the past twenty years, I've always been trying to look around corners for low-income communities of color.

Businesses will have to lead the charge - demanding uniform, national, predictable rules to govern this transition, so that there is a level and rational playing field on which they can compete to make the next fortunes.

The reality is if you take any three people and look at their cellphones or blackberries and facebook pages, you can get to almost everywhere in the country, because we're networked together in a way that is incredibly powerful.