This week, Environmental Health News Editor Peter Dykstra fills in Host Steve Curwood on the link between household income and tree cover. Also, how wildfires in Australia led to a giant algal bloom thousands of miles away in the Pacific Ocean. In the history calendar, they look back to the Montréal Vaccine Riot of 1885, when antivaccine sentiment turned violent in the face of a smallpox epidemic.

The US House Oversight and Reform Committee has summoned top executives from Exxon, Shell, BP and Chevron and two affiliated lobbying groups to testify in front of a committee hearing in October, as part of its ongoing investigation into the fossil fuel industry's promotion of climate disinformation. Kert Davies, founder and director of Climate Investigations Center, joins Host Steve Curwood to discuss the investigation.

“Dove” and “pigeon” may bring different images to mind, but there’s no formal distinction between these birds. As BirdNote®’s Michael Stein reports, they’re both members of a diverse family that includes some of the most colorful birds in the world.

For the past 50 years, the US government has known about the problem of climate change but has continued to promote fossil fuel development and done little to avert a crisis. Environmental lawyer and leader James Gustave (“Gus”) Speth chronicles this failure in his new book, “They Knew: The U.S. Federal Government’s Fifty-Year Role in Causing the Climate Crisis.” He joins Host Steve Curwood to discuss the culpability of both Republican and Democratic administrations from Presidents Carter to Trump.

A recent study led by the University of Bath found that three-quarters of young people surveyed believe the future is frightening because of climate change and 65% agreed with the statement that governments are failing young people. Lise Van Susteren is a general and forensic psychiatrist and a co-author of the study and joined Living on Earth's Bobby Bascomb to discuss what young people are expressing about their eco-anxiety and how parents can safely talk to their kids about climate.