We are talking about capital-intensive enterprises, so market certainty is the key. Investors and entrepreneurs have to know that there will be a guaranteed U.S. renewable energy market in which they can compete. Otherwise, they will create the next generation of green companies and green jobs in Asia, not here.

Local politics matters a lot.

Hillary Clinton did try to reach out to the Sanders voters with policy concessions, but Sanders voters, especially his most activist core, are process people. They're not policy wonks. They're people who want big money out of politics. They're people who want fairness from the DNC chair. They're people who want every vote to count. They're the people who don't like Wall Street money. Right? They're primarily about the process of politics and whether or not it's fair and whether or not big-money elites are rigging things in your favor.

A green economy begins to replace some of the clunking and chugging of ugly machines with the wise effort of beautiful, skilled people. That means more jobs.

The time has come to move beyond eco-elitism to eco-populism.

I'm the guy that's trying to break up that monopoly to introduce free enterprise and competition to the energy sector.

Clean coal represents a breakthrough in the marketing of coal, but not in the science of burning coal.