Is it 10 years, 20, 50 before we reach that tipping point where climate change becomes irreversible? Nobody can know. There's clearly a probability distribution. We need to ensure this planet, and we need to do it quickly.

If everyone played it safe, we wouldn't get anywhere.

The world is hung up on food-based biofuels. Not only are they the wrong thing, they're the uneconomic thing.

The first rule of venture capitalism is hands-on experience. You have to get your hands dirty.

Certain food-based biofuels like biodiesel have always been a bad idea. Others like corn ethanol have served a useful purpose and essentially are obsoleting themselves.

In the next 10 years, data science and software will do more for medicine than all of the biological sciences together.

There are parts of the country in America, in the Midwest, where wind is a big resource, and we should absolutely use it. But to try and apply it nationally doesn't make sense. There are technologies that will work that are appropriate to certain regions.