If all of your electricity in your lifetime came from nuclear [energy], the waste from that lifetime of electricity would go in a Coke can.

Many of my contemporaries in the developed world see subsistence farming as soulful and organic, but it is a poverty trap and an environmental disaster.

Civilization’s shortening attention span is mismatched with the pace of environmental problems.

The technology of synthetic biology is currently accelerating at four times the rate of Moore's Law. It's been doing that since 2005, and it's likely to continue.

Humans have made a huge hole in nature in the last 10,000 years. [With de-extinction,] we have the ability now, and maybe the moral obligation, to repair some of the damage.

We can influence the future but not see it.

When the government tries to run innovation, sometimes it does it well and sometimes it doesn't. So setting up a situation where the market runs innovation, which is a cap-and-trade idea, may well have more flexibility.