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Happy Earth Day! There is a lot of uncertainty in the world right now when it comes to the environmental health of our planet. Political leaders seem unable or unwilling to take action on climate change. And we continue our rapid loss of biodiversity. But I wanted to give you a little hope on this special day by sharing a little different perspecti…

Tom Mangelsen is one of the most gifted and prolific wildlife photographers of our time. He may be best known for documenting the life of Grizzly Bear 399 in and around Teton National Park in Wyoming. I’ve spent thousands of hours alongside, and guiding some of the best wildlife photographers in the world, but I’ve never been lucky enough to spend …

You can’t come to Yellowstone without thinking about the grizzly bear. This thriving ancient ecosystem is like a sacred space for them. And a critical source for food which they are constantly in search of in order to get the needed calories that will sustain them through their long winter sleep. But what many grizzly bear lovers might not think ab…

Behind most wildlife documentaries is someone who has spent countless hours, often in challenging conditions, waiting for that perfect shot. Chris talks to filmmakers Jeff Wilson and Mark Smith about their experience filming Adelie penguins for four months in Antarctica. With wind gusts up to 150 miles per hour it is one of the coldest and harshest…

Maybe you’re eating an apple, or a piece of lettuce right now. Could be a broccoli stem or perhaps a lovely juicy tomato. If you are, are you wondering how intelligent that plant is? I’d guess not. But here’s a conversation that might make you think twice. Zoë Schlanger, a science writer for the Atlantic, has written an eye-opening book on the topi…

Melting ice is usually bad news, but this place in Alaska has turned from frozen to flourishing in just 200 years. Nestled in southeast Alaska, the stunning and famous Glacier Bay National Park is often called a “living laboratory.” Scientists from all over the world come here to study ecological succession: the step-by-step return of plants, insec…

We are taking a break over the holidays in order to finish up our series about national parks. We’ll be back in your feed on January 7 with a visit to Glacier Bay National Park in southeast Alaska. We’ll learn how the trickles of chilly glacial meltwater are creating a flourishing ecosystem. But in the meantime, I wanted to share an episode from a …

It started as a glacier. Then, about 13,000 years ago, it was a trickle, then a stream, and eventually a rushing river meandering through the Olympic Peninsula. For thousands of years, life thrived off the ecosystem served by the Elwha River that fed into to the Strait of Juan De Fuca. Then it stopped. A century ago, a dam was built to harness the …

Nature writer Leigh Ann Henion has spent countless hours uncovering mysteries of the darkness that unfold while we’re asleep. She’s explored bats, moths, glow worms, spotted salamanders, and she’s written a new book about it called Night Magic: Adventures Among Glowworms, Moon Gardens, and Other Marvels of the Dark. Today, Chris talks with Leigh An…

Once a year they come out, by the thousands. Fireflies. But these aren’t just any fireflies. These are Photinus Carolinas, also known as synchronous fireflies They blink on and off together. It’s an amazing site. On this episode, I head to Great Smoky Mountains National Park to experience the synchronous fireflies and learn how light from human dev…

Four times in the past decade Lake Abert has completely dried up, a barren lakebed encrusted with salt. Salt lakes are among the world's most threatened ecosystems. Lack of water could lead to many of these lakes permanently drying up in the American West. But there is one tiny bird that could change all that. The Wilson’s Phalarope depends on salt…

Chris remembers Bear 399, "The Queen" of Grand Teton National Park that was struck and killed by a vehicle near Jackson Hole, Wyoming on Tuesday, October 22. You can see the trailer of the PBS Nature documentary on Bear 399 here. Team 399 Facebook page See omnystudio.com/listener for privacy information.…