I'm a fiscal hawk. I vote against all taxes, but I do believe the environment, and climate change, is a bigger issue than fiscal deficits are as a risk to the nation.

Setting an aggressive enough carbon-reduction goal will result in an appropriate price for carbon and will help many a renewable technology. Consumer education will help. Most importantly, though, will be the continually declining cost trajectory of the real breakthrough in clean-technology costs driven by research and innovation. In the end, private capital is the real barometer of change.

No one will pay you to solve a non-problem.

I'm a fiscal hawk. I vote against all taxes, but I do believe the environment, and climate change, is a bigger issue than fiscal deficits are as a risk to the nation.

We don't need a fuel that's cleaner, we need a fuel that happens to be cleaner, but is half the price of oil.

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

Your cellphone has 10 sensors, and your car has 400. But your body has none - that's going to change.