The world population 60 years ago was just over 2 billion and it's now more than 6 billion. This huge increase - an explosion really - has probably done more harm to the environment than anything else.

If we could just stop the tourism, we could stop the congestion.

So you are the people tearing down the Brazilian rainforest and breeding cattle.

The French don't know how to cook breakfast.

Well, you didn't design your beard too well, did you?

You could do with losing a little bit of weight.

It doesn't look like much work goes on at this university.