The greenhouse effect is something you can observe experimentally - and most people have observed the greenhouse effect themselves, in greenhouses. Yes?

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 better.

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 to move.

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 the other.

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

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

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

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

If you look at all the serious scientists in the world, there is no big disagreement on the basics of this...it would be absolute lunacy to act as if climate change is not occurring.

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 obvious threat. But the solution is in our hands.

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 century.

When I was under house arrest, it was the BBC that spoke to me - I listened.

He that useth his reason doth acknowledge God.

Being a parent is very important to me.

Most success depends on colleagues, on the team. People at the top have large egos, but you must never say 'I': it's always 'we'.

I know what high stakes politics demands, it is a twenty-four seven, totally consuming experience.

Well this is just a fist. But when I start throwing it around I can leave one hell of a mess.

An attempt to gain a value by deceiving the mind of others is an act of raising your victims to a position higher than reality.

To those to whom Christ is the hope of future glory, he is also the life of present grace.

It's my hope that as you dip your toe into the Bible's story and viewpoint, you'll find yourself feeling that the Good Book knows more about the world - and about you - than any normal book does.

To have lied is to have suffered.