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.

If you think about the impact of climate change, [it should be how] a doctor would deal with the problem. A scientific hypothesis is tested to absolute destruction, but medicine can't wait. If a doctor sees a child with a fever, he can't wait for [endless] tests. He has to act on what is there. The risk of delay is so enormous that we can't wait until we are absolutely sure the patient is dying.

Fast food may appear to be cheap food and, in the literal sense it often is, but that is because huge social and environmental costs are being excluded from the calculations.

Grandparenthood is a unique moment in anyone's life, as countless kind people have told me in recent months, so I am enormously proud and happy to be a grandfather for the first time and we are eagerly looking forward to seeing the baby in the near future.

Hong Kong has created one of the most successful societies on Earth.

Humility is to make a right estimate of one's self. It is no humility for a man to think less of himself than he ought, though it might rather puzzle him to do that.

All I'm saying is that there is a price to be paid at the sharp end.. environmentally and everywhere else.. for the food that is produced in a particular way.