Nell and Chris speak with Alicia Marrs, the Director of Western Water at the National Wildlife Federation. Alicia discusses the recent Supreme Court decision that has narrowed the scope of the Clean Water Act. (1:48)Then, Cheryl Fox from Summit Land Conservancy shares information about the connection between land conservation and water in the Great Salt Lake – it starts with the watershed. (25:59)

First Dr. Kimberly Nicholas, an associate professor of sustainability science at Lund in Sweden, discusses her book, "Under the Sky We Make: How to Be Human in a Warming World."Then ecologist James Cornett shares his new book "The California Deserts: Then and Now," which uses repeat photography to examine how climate change has impacted arid landscapes.

Sika Gadzanku from the National Renewable Energy Laboratory discusses floating solar panels, the underlying technology, the benefits and potential impacts. Then, marine biology professor and author, Dr. David Scheel shares his comprehensive book about these fascinating sea creatures called "Many Things Under a Rock: The Mysteries of Octopuses."

Snyderville Basin Water Reclamation Executive Director Mike Luers gives an update on how the ongoing melt is impacting operations.Then, in celebration of wildflower season, local photographer and author, Robert Hedges talks about his book, "Wildflowers of Park City, Utah."

Project Manager Sara Jo Dickens and Weed Superintendent David Bingham from the Summit Cooperative Weed Management Area discuss the noxious weed population in Summit County and what you can do to help control them.Then, award-winning author Emma Marris shares her new book, "Wild Souls: Freedom and Flourishing in the Non-Human World."

Hosts Nell Larson and Chris Cherniak begin the hour with a short discussion on local wildlife (1:50). Then, Ben Gottesman of the K. Lisa Yang Center for Conservation Bioacoustics at the Cornell Lab talks about bioacoustics, the combination of biology and acoustics that provides insight into the world around us. (14:26)

The Summit County Department of Health has launched a Climate Change and Public Health speaker series to talk about these pressing issues. The first of the three-event program was May 9 and focused on environmental health. Summit County Sustainability Program manager Emily Quinton and Darcy Glenn, researcher with the Woodwell Climate Research Center helped summarize and discuss the results of the first event. (2:06)Then, Utah Department of Natural Resources Division of Wildlife Resources' Paul Thompson discusses Utah's Endangered Species Mitigation Fund. $4.4 million was recently allocated to 42 projects this year. (28:21)

This Green Earth speaks with Doug Tallamy, professor in the Department of Entomology and Wildlife Ecology at the University of Delaware and author of "Nature's Best Hope (Young Readers' Edition): How You Can Save the World in Your Own Yard." (2:23) Then, a rebroadcast of an interview with environmental and science journalist Michelle Nijhuis about her book "Beloved Beasts: Fighting for Life in an Age of Extinction." (24:01)

North Coast Regional Director for California Trout Darren Mierau describes what removing two aging dams from the endangered Eel River could mean for the salmon population. (2:09) Then, David Andrews, a senior scientist with the Environmental Working Group, discusses the growing impacts PFAS compounds of on our environment and ecosystems. (24:14)

UC Davis Tahoe Environmental Research Center's Geoffrey Schladow talks about the resurgence of native zooplankton in Lake Tahoe and what that means for its health and clarity (2:08). Then, Summit County Storm Water Manager Kelsey Christiansen talks about flooding issues and the current state of Summit County's storm water management system (26:02).