So on the demand side [for energy], there have been a variety of policies that globally have been way over $50 billion a year of tax credits, raising the price of electricity through things like renewable portfolio standards, so the total amount of money that's gone into sending a price signal to push up demand versus what would happen without it has been gigantic.

I've for some reason or other... never met Donald Trump.

We believe unbelievable progress can be made, in both inventing new vaccines and making sure they get out to all the children who need them.

Climate change is a terrible problem, and it absolutely needs to be solved. It deserves to be a huge priority.

Security guys break the Mac every single day. Every single day, they come out with a total exploit, your machine can be taken over totally.

The barrier to change is not too little caring; it is too much complexity. To turn caring into action, we need to see a problem, see a solution, and see the impact. But complexity blocks all three steps.

Creativity allows people to be effective.