Can California’s new energy economy — green economy — save the Golden State? The nation? We’ll go to California to ask the questions.

The Copenhagen climate conference is one month away. US climate action is going nowhere in Congress. We’ll look at the global implications of America’s domestic climate politics.

Maya Lin’s Vietnam Memorial changed how we remember war. We’ll talk with her about her latest and, she says, last public memorial — a monument to vanishing species.

In today’s first hour, Whole Earth guru Stewart Brand and energy expert Amory Lovins debated whether the U.S. should build more nuclear power plants in the effort to reduce carbon emissions.

Whole Earth Catalog guru Stewart Brand now says we need nuclear energy and genetically modified food. We’ll ask him if he’s selling out, or getting real.

Will China be the world’s clean-energy superpower? We’ll look at “Green China,” and whether the U.S. is losing the clean-tech race.

America’s super-hot electric car from Tesla Motors. We’ll talk with Tesla CEO, Elon Musk.

Actress, filmmaker, and model Isabella Rossellini on her new sex-in-nature project, “Green Porno,” and a life in front of the camera.

No cars. No waste. No gas or oil. We go to Abu Dhabi, where plans are underway to build the world’s first carbon-neutral city.

Forget summer heat. We’re talking glaciers, igloos, blizzards, and adventures in the world’s coldest places.

“Icky” creatures. The joys of vultures, jellyfish, slugs and more, with gardener- journalist Constance Casey.

Scientists report that widely used chemicals — endocrine disruptors — are causing serious health problems in humans. We ask what the government is, and is not, doing about it.

Author Rick Bass walks us through the changing seasons of the Montana wilderness, in his new book, “The Wild Marsh.”

The passage of the House climate bill — discussed in our first hour today — has been greeted with enthusiasm in many quarters. But in some ways, the real question is whether a global framework can be established in Copenhagen in December.

Barack Obama came to Washington promising serious action on climate change. The climate bill that passed the House last Friday is hailed as an historic first step. We’ll look at what’s in it, what it’s up against, and whether it’s enough.

We’ll go deep on one man’s tough quest to harness the wind for American power.

We’ll talk with tech visionary Shai Agassi about his plan to make the world electric-car friendly — and get the entire planet off oil.

The torture debate grows red hot. The Taliban advance in Pakistan. Craigslist under fire. Our weekly news roundtable goes behind the headlines.

Green headwinds shifting. Rep. Ed Markey, top environmental journalists and Bill McKibben take stock of the huge moves afoot on the climate-energy front.

Congressman Ed Markey (D-Mass.), a key sponsor of the historic climate/energy bill being debated this week, said today during the show that some industries would receive free carbon permits in the early years of a proposed cap-and-trade scheme.