Sometimes we overemphasize the political system. There are other ways to make a difference. There's technology, there's media, there's business.

Government-mandated and -subsidized ethanol from corn will go down in history as the "Iraq War" of environmental solutions: ill-considered, costly, and disastrous.

When somebody comes along and says, "I think Washington, DC, sucks," that's not wrong.

We're going to bake this planet, and be a curse to all species, including our own, if we don't find an alternative to carbon-based fuel. That's the #1 problem.

We need a national renewable energy goal. Such a goal, sometimes called a renewable energy standard (RES), would spell out what percentage of our power America plans to get from renewable sources.

People forget: solar panels don't put themselves up. Wind turbines don't manufacture themselves. Businesses don't retrofit themselves to waste less energy and water, nor do homes weatherize themselves.

The Trump phenomenon has a lot of really good stuff in it, the anti-elitism, the concern for America's economy in the Rust Belt, the desire to see better days for the country. That's all great stuff. Some of that stuff is Bernie Sanders stuff. The problem is that it's marbled through with xenophobia and misogyny and bigotry.