Business is recognizing the role it can play in combatting climate change. Thank God, is all I can say, for there is a desperately urgent need for business to play that role. Your lobbying influence can be substantial, but together, united and in large enough numbers it could prove decisive in turning the tide.

This was one of those special occasions when I could actually feel the inner appreciation of the beauty of the moment passing like an electric current through the brush in my hand.

Be neither too remote nor too familiar.

It is now 14 years since I first suggested that organic farming might have some benefits and ought to be taken seriously. I shall never forget the vehemence of the reaction.. much of it coming from the sort of people who regard agriculture as an industrial process, with production as the sole yardstick of success.

If your children want to alter society, listen to their reasons and the idealism behind them. Don't crush them with some clever remark straight away.

I think we'd be very foolish to expect that we can just import everything from somewhere else and imagine that that's going to last for ever and ever and ever

Climate change should be seen as the greatest challenge to face man and treated as a much bigger priority in the United Kingdom.