In the United States, we do a pretty good job of protecting iconic landscapes and postcard views, but the ocean gets no respect.

The idea that human beings have taken a few steps closer toward asserting control over the Earth's climate is likely to strike you as a really bad idea.

Drill everything, mine everything, roll back regulations, tweak the science, expedite permits. Sound familiar? The Republicans offer up more 19th-Century solutions to our 21st-Century energy problems.

The biggest tab the public picks up for fossil fuels has to do with what economists call 'external costs,' like the health effects of air and water pollution.

Our land-healing ministry really is about cultivating relationships: between the people, the loving stewards, and the ecology of a place, what I call the environmental umbilical that we're nurturing here.

I think it makes people in the Pentagon kind of nervous to know that chemical agents and environmental factors could cause so much damage in terms of what may happen in the future.

We've evolved from sitting back on our tripods and shooting wildlife films like they have been shot historically, which doesn't work for us.

I'm not so interested in technology for technology's sake. I don't need incredibly sophisticated climate-control systems. And I'm absolutely amazed at the time people spend exchanging messages; I don't have a lot of time left over for those things.