The U.S. has fallen well behind Europe in recognizing climate change and the implications of climate change.

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

If I collected all the diamonds in the world, I'd have no 'income' but I'd have a lot of 'assets'. Would my company be worth nothing because I have no income? A lot of Net companies are collecting assets. They have to be measured with a new set of metrics.

Letting the perfect be the enemy of the good is one of the reasons we have a coal-dependent infrastructure, with the resulting environmental impact that all of us can see. I suspect environmentalists, through their opposition of nuclear power, have caused more coal plants to be built than anybody. And those coal plants have emitted more radioactive material from the coal than any nuclear accident would have.

The right way to build a company is to experiment in lots of small ways, so that you have plenty of room to make mistakes and change strategies.

It doesn't matter what your probability of failure is. If there's a 90% chance of failure, there's a 10% chance of changing the world.

Startups allow technologists and scientists to take risks and change plans in a way that would be frowned upon in a big company. Having said that, big companies will play a key role in certain areas and in partnerships with little companies. Each has its strengths.