Few navigators have dared to travel the treacherous waters of Northern Canada that marooned Henry Hudson some 400 years ago. But as Mind Open Media’s Emily Corwin reports, a storyteller and a climate scientist have both taken on Arctic exploration as an interest and a challenge.

Highway departments across the nation put time, energy and resources into maintaining the side of the road, often preferring to keep it clean and clear of plants. But, as Living on Earth’s Ingrid Lobet reports, in Oregon, some residents don’t want chemicals used to keep the highway shoulders bare.

It’s summer and that means it’s time to wake up and smell the roses. And, as BirdNote®’s Michael Stein reports, birds are doing a lot of sniffing this time of year.

Five years ago, cellulosic ethanol seemed to hold a lot of promise. The only thing missing was the ramp up to commercial production. But, as Jeremy Martin of the Union of Concerned Scientists explains to host Bruce Gellerman, then the recession happened.

There are tens of thousands of chemicals in everyday products. Only a fraction of these have been tested for toxicity and health effects in the U.S. Host Bruce Gellerman talks to Richard Denison, a senior scientist at the Environmental Defense Fund, about news studies that raise troubling health questions.

The California Air Resources Board has mandated that by 2025, 15 percent of new cars sold in the state must have zero or near-zero emissions. Daniel Sperling, the director of the Institute of Transportation Studies at the University of California Davis, tells host Bruce Gellerman how the state is going to achieve this goal.

Bats fly through the air with the greatest of ease and new research shows that their flight is regulated by sensitive hairs on its wings. Stephanie McPherson reports.