Greg Dalton sits down for a rare interview with recently-confirmed EPA Administrator Andrew Wheeler on cars, coal, and climate. We also hear about challenges to the Trump administration’s revised auto emissions rules and the future of personal mobility.

Climate scientists, communicators and educators join us to talk about about why, after one of the hottest years on record, the country has suddenly gone into deep freeze. On today’s Climate One: climate science explained, and climate myths debunked.

Recent years have brought a raft of extreme weather disasters costing the U.S. hundreds of billions of dollars in damages. The mayors of three cities on the frontlines of discuss what they are doing to recover, rebuild and prepare for the next mega-storm.

Fighting climate change isn’t cheap. Where’s the money coming from? Major philanthropic organizations like Hewlett and Bloomberg are at the forefront of addressing climate change, but could smaller funders be more in touch with grassroots needs?

California has committed to 100% use of zero-carbon electricity by 2045, and further pledged to go carbon-neutral as well. So what will it take for the state to transform the world’s fifth largest economy to net-zero?

Many of us find it daunting to talk with our neighbors, colleagues and family members about climate change. But climate scientist Katharine Hayhoe says that having those difficult conversations is the first step towards solving the problem.

When it comes to cutting emissions, there are many paths to success. But the absence of U.S. climate leadership is causing some countries to ease off their goals. So who’s moving ahead and who’s moving backward in the transition to a clean economy?

The industrial revolution brought wealth and opportunity to American innovators – along with dirty coal power and a sky clogged with carbon emissions. The good news? There’s a new generation eager to make their fortune, with cool, clean technology.

Can changing our consciousness hold off the climate apocalypse? Could despair be the one thing that finally spurs us to action? A conversation about climate change, spirituality and the human condition in unsettling times.

Jonathan Patz, of the Global Health Institute calls climate change “one of the most important public health challenges of our times.

Supporters of the 2015 Paris Agreement say it’s the first truly global step toward a sustainable future. Critics say it's dangerously delusional to think the pact is ambitious enough to avoid catastrophic climate change. How is the Paris Agreement faring?

Lowering greenhouse gas emissions is not enough to meet our carbon goals; we’ve got to somehow reverse the damage we’ve done. Fortunately, modern technology has come up with ways to remove carbon from our atmosphere – and even put it to use.

From headline-grabbing wildfires in the West to the a Green New Deal in the midterm elections, Greg Dalton talks to Vox reporter David Roberts, as well as a panel of California’s leading wildfire experts, about the big climate stories of 2018.

We all know about the environmental and physical effects of climate change. But what about its impact on our mental health? Three climate psychologists discuss how to cope with mounting anxiety brought on by global warming.

From fires and floods to hurricanes and hot temperatures, 2018 put climate on the front page in ways it hadn’t been before. Join us for a look back at a year of climate conversations on politics, culture, and technology.

As our planet’s temperature rises, we can fight back with the power of zero: a zero-carbon grid, zero-emission vehicles, zero-net energy buildings and zero-waste manufacturing. Can a four-zero solution lead to a low carbon-future?

From streetlights and solar flights, to coal miners and corn farmers, it’s a holiday movie special as host Greg Dalton talks to the directors/producers of four recent documentaries that bring human drama to the climate story.

Fifty years ago, Paul Ehrlich warned that overpopulation would lead to mass starvation and environmental ruin. Steven Pinker notes that today, people are living longer and extreme poverty has been decreasing. Is the glass half empty or half full?

The U.S. has surpassed Saudi Arabia and Russia as the world's biggest oil producer, largely due to fracking. Yet new development of fossil fuels is not consistent with the math of the Paris climate accord. So what's next for fossil fuels?

Red states, blue states – when it comes to our environment, are we really two different Americas?

Climate-conscious voters don’t have a great track record at the ballot box. Here's what some groups are doing to change that.

With the US government cutting efforts to curb carbon pollution, is it possible that China is our best hope for saving the planet?

Climate used to have bipartisan support. Now that the Republican party is skeptical about fighting climate, companies are moving into a leadership void. On the show today we'll hear from two former white house spokesmen in Republican and Democratic administrations now working on climate from different angles. Robert Gibbs addresses what McDonald's is doing to cut its carbon emissions and environmental impact. Jeff Nesbit heads a communications organization trying to get the climate story covered more prominently in the mainstream news media. Guests: Robert Gibbs, Executive Vice President and Global Chief Communications Officer, McDonald's Corporation Jeff Nesbit, Author and Executive Director, Climate Nexus

After a three-year term as Executive Secretary to the United Nations Framework on Climate Change, Christiana Figueres was exhausted, emotionally drained and ready to pack it in. What kept her going?

On the eve of the Global Climate Action Summit (GCAS), we will kick off the conversation about solutions that can be led by states, cities, businesses and NGOs.