If everybody switched to organic farming, we couldn't support the earth's current population - maybe half.

Myths about the dire effects of genetically modified foods on health and the environment abound, but they have not held up to scientific scrutiny. And, although many concerns have been expressed about the potential for unexpected consequences, the unexpected effects that have been observed so far have been benign.

One of the really remarkably beneficial aspects of genetic engineering is that much of the previous methodology for controlling pests and so forth is through chemicals that affect a very broad spectrum of insects, for example, or fungicides that control fungi.

The influence of a science adviser is only as good as ears open to that science advice.

This Bush administration has a growing credibility gap, maybe even a credibility chasm, on environmental policy. The President has lost the trust of the American people when it comes to the environment.

To be labeled a 'science-denier' in 2017 often just means you've upset someone who insists on teaching strict, Darwinian orthodoxy in schools or who advocates particular climate legislation or who supports ethically fraught research on embryos.

Energy cogeneration on Capitol Hill makes economic and environmental sense and should be pursued for those reasons.

The simple facts of Chadian life - what it takes to survive in that kind of climate with nothing but a hut and some animals - stunned me. And this made me realize, perhaps for the first time, how easy my life was compared to those of people in less privileged societies.