In the last two years 24 countries have set new all-time temperature records. We've seen flooding on an epic scale in every continent .

Look - every time is the wrong time and the perfect time to have a kid, and you just do it when you can.

If you look at the polling data, long before anyone had thought about Iraq, it was the [George W.] Bush Administration's decision in the first few weeks in its tenure in office to abnegate the Kyoto treaties that set our international perception into a nose-dive. People around the world looked on in amazement as the biggest part of the problem decided it wasn't going to make any effort to help with the solution.

I'm not sure I'm a very good source of advice since we're kind of making this up as we go along.

Climate change is the single biggest thing that humans have ever done on this planet. The one thing that needs to be bigger is our movement to stop it.

We'll never get there if we let the climate crisis bloom unchecked, so for the moment the key is to organize, organize, organize!

Without a movement pressing for change, there's little hope. We've got to work the political system to make this happen fast. The physics and chemistry are daunting. The resources on the other side are very large.