The 5,000 or so acres of Royal Parks are one of the things that make London special.

Anyone driving through London after the school term ends will notice immediately how much easier it is to get around. The school run contributes massively to congestion.

I could just go to the horse races and take lovely holidays, but I have some strong views, and I want to make a difference.

Green policy is about triggering a shift to a cleaner way of doing things. To be effective, it needs to incentivise the right behaviour, for example through tax breaks, and that needs to be paid for by disincentives on polluting behaviour.

Politicians are so detested. And the main cause is not policy; it's the fact that there is no trust.

Europe believes that providing clear labelling for genetically modified food is a consumer right, but such practice is absolutely opposed by the vast majority of states in the U.S.