Sometimes, history sneaks up on you. And sometimes you know it's coming.

I was always very detail-oriented, and in the time I spent in different roles - the elected official, the campaign manager - I had a tendency to want to push the creation of the product and really work on the critical path that would get to product.

Clearly, Mayor Bloomberg did some things right. I think he did a very good job on public health. He did a very good job on environment. I think he was right to achieve mayoral control of education. I don't think he then applied it the right way.

Excessive stop-and-frisk divides communities. That's why the New York City Police Department has moved away from it.

If you can reach out and touch and love and be with wildlife, you will forever be changed, and you will want to make the world a better place.

No day is alike - I do many other things, and I'm very active in the environmental movement.

Environmental scientists in Canada said it was impossible for me to get to the Pole in 2004... I said 'no,' it's still OK, and I can still get there, and I did.

When climate change supercharges weather patterns, the disadvantaged often suffer first and most.