A single tree in the tropical forest in the south of Mexico has more different species than some European countries.

Globalization is a fact of economic life.

Isolation is a self-defeating dream.

The use and threat of force, when world peace is not in danger, are no longer valid frames of reference for achieving the ends sought today by sovereign nations.

Climate change is the 800-pound gorilla in the living room that the media dances around. But in the scientific community, it's a settled question: 95 percent of scientists believe this is happening with 100 percent confidence temperatures are rising.

We're really going after truly creating sustainability of a disease-free state, creating a complete system for managing cancer patients for life, so that you can manage from onset of disease all the way through.

I don't think we're yet evolved to the point where we're clever enough to handle a complex a situation as climate change. The inertia of humans is so huge that you can't really do anything meaningful.

The basic science is very well established; it is well understood that global warming is due to greenhouse gases. What is uncertain is projections about specifics in the next few decades, by how much will the climate change.