Andrew Revkin

He had come up with a very prominent model of looking at long-term records of climate change and got this hockey stick for temperature.

And he, you know, he definitely sits there in a certain kind of spotlight because of that.

So it's not unique at any particular vantage point in the spectrum of sort of prominent people on the debate.

It'd be cheap to say everything, but just walking here this morning under the bridge over the Colorado River, seeing the birds, knowing there's bat colonies, massive bat colonies around here that I got to visit a few years ago.

I experienced one of those bat explosions.

It's mind-blowing.

I've

Been really lucky as a journalist to have gone to the North Pole, the camp on the sea ice, with Russian help, a camp that was set up for tourists coming from Europe every year.

There were scientists on the sea ice, floating on the 14,000-foot-deep Arctic Ocean, and I was with them for several days.

I wrote a book about that, too, along with my reporting.

Been in the depths of the Amazon rainforest.

When I was very young,

I was a crew on a sailboat that sailed two-thirds of the way around the world.

I was halfway across the Indian Ocean, again, in 14,000-foot-deep water.

There was no wind.

This was way before I was a journalist, 22, 23 years old.

And we went swimming, swimming in 14,000-foot-deep water, 500 miles from land, the Western Indian Ocean, halfway between Somalia and the Maldives.

It's like so mind-boggling, chillingly fantastical thing with a mask on, looking at your shadow going to the vanishing point below you, looking over at the boat, which is a 60-foot boat, but it just looks like a toy, and then getting back on and being beholden to the elements, the sailboat, you know, heading toward Djibouti.

And then, you know, and then the human qualities are unbelievable.

You know, the Anthropocene...