We [US] are the biggest per person, by a substantial amount, greenhouse emitters, and we give the most foreign aid, not per person but in absolute. This is another issue where hopefully we will take a long-term approach which, even though we sometimes have a hard time doing that, it's easier for us, as a rich country with this kind of scientific depth, than it is for the poor countries who will suffer the problems.

The leader needs to create an environment in which people can analyze the situation and develop a good response.

American dependence on oil has only gone up as we've gone through various crises and not invested in R&D.

'I don't know' has become 'I don't know yet'.

You can be a business thinker.

I think the positive competition between states in India is one of the most positive dynamics that the country has.

Almost every way we make electricity today, except for the emerging renewables and nuclear, puts out CO2. And so, what we're going to have to do at a global scale, is create a new system. And so, we need energy miracles.