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

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.

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

Oil replacements and then efficiencies in engines and housing and the way we build houses is a very interesting market.

As for companies invested in the space - I think its important to distinguish between a good investment and a material climate change technology - you can have the first without the second, even in the "clean tech" space.

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.

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.