Sometimes, I, anyway, get tired of playing defence, and like to play offence.

There are so many symptoms of this disease it's hard to know where to start to catalogue them, but just look at the effects on hydrology - on the way water moves around the planet.

At least I sure hope it will - and I see good signs all the time, especially in things like the rise of local agriculture.

By themselves, they are not enough; we also need to engage in political action.

In reality, climate change is actually the biggest thing thats going on every single day.

We've been in lots of places that I suppose, by Oxford standards, would be considered illiterate, but everyone's completely conversant with the idea that here is a number, and that number is above it, and that's too high. It's not a very complicated idea.

When you have solar panels, your electricity gets there for free, no one's figured out how to meter the sun yet. And that's good.