It's off the charts - and if you don't believe the scientists, ask the insurance industry, the people we pay to analyze risk in our society..

One of my favorite places is the Maldives, an all-Muslim nation in the Indian Ocean with a culture that stretches back 5,000 years. But since the hig….

I think the world on the other side of fossil fuel is more local - the logic of sun and wind is diffuse and spread out, not concentrated like the log….

My guess is that liberating the fossil fuel industry to frack anywhere they want will drive down the rate at which we're converting to sun and wind. ….

The end of nature sours all my material pleasures. The prospect of living in a genetically engineered world sickens me. And yet it is toward such a w….

The models that have been constructed agree that when, as has been predicted, the level of carbon dioxide or its equivalent in other greenhouse gases….

TV makes it so easy to postpone living for another half hour..

The world hasn't ended, but the world as we know it has-even if we don't quite know it yet..

Remember...this year has already seen more billion-dollar weather-related disasters than any year in US history. Last year was the warmest ever recor….

Alone among businesses, the fossil-fuel industry is allowed to dump its main waste, carbon dioxide, for free..

These new technologies are not yet inevitable. But if they blossom fully into being, freedom may irrevocably perish. This is a fight not only for the….

I've always been opposed to population control. In climate terms, population is not the biggest problem going forward..

There is nothing that will discombobulate and degrade [more] the lives of people near the margin on this planet. You don't have to look much past New….

We spend a lot of time playing defence against bad things. So, in the US, one of the focusses has been this huge Keystone Pipeline project, another h….

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 we….

The essential thing we need to understand is that the climate crisis is not some future threat, but a very present peril, the biggest one humans have….

My house is covered in solar panels, I'm a great believer in all this - we all should be doing this..

The religious environmental movement is potentially key to dealing with the greatest problem humans have ever faced, and it has never been captured w….

If you consider that there are a million people forced out of their homes by Katrina, multiply that by 150, and then stick those people in countries ….

All the signs of incipient activism and uprising, from Tahrir square to Zuccotti Park to [the recent] shutdown of the Internet to protest web censors….

We have built a greenhouse, a human greenhouse, where once there bloomed a sweet and wild garden..