Claire Wiley

UCLA scientist and affiliate with NASA’s jet propulsion laboratory, Bin Guan, discusses the new ranking system assigned to atmospheric rivers that is similar to hurricane rankings. (2:16) Brian Steed from Utah State University’s Institute for Land, Water and Air talks about its engagement with policy makers, current priorities and the institute’s plans moving forward. (23:59)

UCLA scientist and affiliate with NASA’s jet propulsion laboratory, Bin Guan, discusses the new ranking system assigned to atmospheric rivers that is similar to hurricane rankings.

Brian Steed from Utah State University’s Institute for Land, Water and Air talks about its engagement with policy makers, current priorities and the institute’s plans moving forward.

Dan Egan discusses his book, "The Devil's Element: Phosphorus and a World Out of Balance." It details the perilous but little-known environmental issues of our time.Then, Douglas Tallamy shares "The Nature of Oaks: The Rich Ecology of Our Most Essential Native Trees." In this book, Tallamy explains why the mighty oak tree is one of the most import species of the planet kingdom.

Douglas Tallamy shares "The Nature of Oaks: The Rich Ecology of Our Most Essential Native Trees." In this book, Tallamy explains why the mighty oak tree is one of the most import species of the planet kingdom.

Dan Egan discusses his book, "The Devil's Element: Phosphorus and a World Out of Balance." It details the perilous but little-known environmental issues of our time.

Chris Bowers, professor of chemistry at Ohio Northern University and law professor David Raack share their expertise on the East Palestine train derailment in Ohio and its chemical consequences.

Chris Bowers, professor of chemistry at Ohio Northern University and law professor David Raack share their expertise on the East Palestine train derailment in Ohio and its chemical consequences.Then, Jeff Hatten, professor of forest soils at Oregon State, talks about carbon storage in soil. Soil is the Earth’s second-biggest carbon storage locker after the ocean. This research shows that moisture in the soil is the key to how well the soil carbon warehouse works.

Jeff Hatten, professor of forest soils at Oregon State, talks about carbon storage in soil. Soil is the Earth’s second-biggest carbon storage locker after the ocean. This research shows that moisture in the soil is the key to how well the soil carbon warehouse works.

Australian biologist and author Danielle Clode delves into the extraordinary world of the koala.  (01:14) Then Dr. John Francis, a.k.a. the “Planetwalker,” discusses why he gave up vehicles to walk instead and created his nonprofit environmental awareness organization. (23:36)