If there are more and more environmental refugees, they are going to end up on your doorstep too.

New molecular methods that add or modify genes can protect plants from diseases and pests and improve crops in ways that are both more environmentally benign and beyond the capability of older methods.

Civilization depends on our expanding ability to produce food efficiently, which has markedly accelerated thanks to science and technology.

We need to continue to decrease the growth rate of the global population; the planet can't support many more people.

Weeds do become resistant to herbicides, and it needs to be managed with multiple herbicides.

We are sliding back into a dark era, and there seems little we can do about it. I am profoundly depressed at just how difficult it has become merely to get a realistic conversation started on issues such as climate change or genetically modified organisms.

We wouldn't think of going to our doctor and saying 'Treat me the way doctors treated people in the 19th Century', and yet that's what we're demanding in food production.