Dianna Delling

The Wilderness Warrior

Douglas Brinkley's biography of Teddy Roosevelt proves we still have a lot to learn from the conservation giant.

Earth in a Vise Grip

Thomas Friedman's climate-change manifesto is bound to be a bestseller. And that's a good thing.

Deja View

Breaking down the commercial formulas that make fall's new adventure–TV shows seem very familiar

Al Needs Some Copilots

You don't need to have billions or hold office to make a big difference. Just check out how this year's nine eco-all-stars—from a Chilean dam buster to a snowboarder who's seen the...

Red Goes Green

In A Contract with the Earth, Newt Gingrich aims to steal environmentalism back from the Democrats—and let free markets reign.

Going Deep

Cinematographer Howard Hall captures coral reefs, swarming sharks, and life below 300 feet

Wet Zeppelin

Windbags on a mission! Fighting fires with new super-soaker blimps!