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We have six-and-a-half-billion people on the planet, going rapidly towards seven. We're going to need a lot of inventiveness about how we use water and grow crops.

To affordably feed the next billion people, we must have higher-yielding crops with even greater nutritional value. America should be at the vanguard of the innovative advances that will make this happen.

We've got to take care of the resources we have on this planet, because there's no resupply possible.

Many of the technologies we've invented are necessary to keep 6.5 billion people alive. We can't go back from that, so we need to decarbonize really rapidly.

Our planet's lands and oceans are already stretched to meet the demands of 7 billion people. The human population continues to grow. The search for sustainable solutions is an economic and a moral imperative if we are to create the future we want.

If you look at the carrying capacity of agricultural areas throughout the world, their ecological habitats are changing. So I think we're looking at - in our lifetime - great collapses of food services.

Feeding the world will be one of the greatest challenges of the 21st century. It will be impossible without using scientific advancements and biotechnology.

Does this planet have enough resources so seven or eight billion can have the same level of consumption and waste that today is seen in rich societies? It is this level of hyper-consumption that is harming our planet.

We have been growing more food than we need since the '60s... what we have is a terrible distribution problem.

You've got a global food problem. You've got a food problem in the United States. You've got a food problem in Africa... in Asia. And so the truth is, the U.S. is going to have to produce more, on not very many more acres, honestly. And so we're going to have to do a better job.