Do politicians understand just how difficult it could be, just how devastating rises of 4C, 5C or 6C could be? I think, not yet.

Adaptation is a vital part of a response to the challenge of climate change.

Climate change and global poverty are two sides of the same coin. Both challenges must be addressed together. If we fail on one, we will also fail on….

Climate change is a result of the greatest market failure the world has seen...We risk damages on a scale larger than the two world wars of the last ….

My father's generation's crisis was fighting fascism. Ours is fighting climate change. It is much harder because you can't see it, it is not an obvio….

Failing to curb the impact of climate change could damage the global economy on the scale of the Great Depression or the world wars by spawning envir….

Adaptation is the only means to reduce the now-unavoidable costs of climate change over the next few decades.

Science and policy-making thrive on challenge and questioning; they are vital to the health of inquiry and democracy..

There is still time to avoid the worst impacts of climate change, if we take strong action now..

Climate change represents the greatest and widest-ranging market failure ever seen.

Meat is a wasteful use of water and creates a lot of greenhouse gases. It puts enormous pressure on the world's resources. A vegetarian diet is bette….

This [climate change] is potentially so dangerous that we have to act strongly. Do we want to play Russian roulette with two bullets or one?.

How is it that, in the face of overwhelming scientific evidence, there are still some who would deny the dangers of climate change? Not surprisingly,….

I've never really had much of a career plan, and interesting opportunities kept cropping up..

The scientific evidence is now overwhelming: climate change presents very serious global risks, and it demands an urgent global response..

Climate change will affect the basic elements of life for people around the world - access to water, food production, health, and the environment. Hu….

Looking back, I underestimated the risks. The planet and the atmosphere seem to be absorbing less carbon than we expected, and emissions are rising p….

What we are talking about is extended world war...People would move on a massive scale. Hundreds of millions, probably billions of people would have ….

The basic scientific conclusions on climate change are very robust and for good reason. The greenhouse effect is simple science: greenhouse gases tra….

The one way of guaranteeing to fail is to assume that we will..

Greenhouse gas emissions: Ultimately, stabilisation - at whatever level - requires that annual emissions be brought down to more than 80% below curre….