It seems to me self-evident that we cannot have capitalism without capital and, very importantly, that the ultimate source of all economic capital is Nature's capital

There is no doubt that we live in an age of unprecedented, and sometimes terrifying, technological advance where the speed of advance so often outstrips the necessary ethical considerations.

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.

The whole imposing edifice of modern medicine is like the celebrated tower of Pisa - slightly off balance.

If you chuck away too many things, you end up discovering there was value in them.

While the demand for organic food outstrips supply, we happen to know that 77 percent of consumers don't want genetically engineered crops grown in this country. Consumers can choose whether or not to buy organic produce. Genetically modified ingredients will deny us choice in the long run.

Forests ... are in fact the world's air-conditioning system-the very lungs of the planet-and help to store the largest body of freshwater on the planet ... essential to produce food for our planet's growing population. The rainforests of the world also provide the livelihoods of more than a billion of the poorest people on this Earth... In simple terms, the rainforests, which encircle the world, are our very life-support system-and we are on the verge of switching it off.