It's the poorer people in tropical zones who will get really hit by climate change - as well as some ecosystems, which nobody wants to see disappear.

The UK is a very international country.

Finally, assuming that many of those are fulfilled, which won't be easy in tight budget times, we're taking the supply side at the basic research level, because that's where government is absolutely fundamental.

If there was an epidemic, that definitely would make people accept vaccines. I wouldn't hope for that, of course, but if you wanted people to love vaccines, an epidemic would remind them how magical they are.

In the philanthropy game, you're going for different outcomes: saving childhood lives, having kids grow up - because they don't have malnutrition or disease - that they achieve their full potential. We take for Warren [Buffett] things that, because he's very intelligent about the world but doesn't get to go out in Africa and see what we see, we've taken and say to him where we stand and it's basically a very positive report that his gift has made a phenomenal difference.

My success, part of it certainly, is that I have focused in on a few things.

I did not even finish my studies