A dinosaur fossil discovered in Egypt in the 70s gathered dust in museums for decades and now it finally has a name as a new species, Igai semkhu. Paleontologist Dr. Eric Gorscak spoke with Host Aynsley O’Neill about why fossils from the end of the Age of Dinosaurs about 75 million years ago are relatively rare in Africa and what this “titanosaur” specimen can reveal about the distant past.

This week, Living on Earth Contributor Peter Dykstra briefs Host Aynsley O’Neill on some early research into coral cryopreservation as a tool to help restore bleached reefs. Also, a study in Finland has found signs that outdoor learning gives preschoolers an immune boost. And in history, they look back to President Bush Sr.’s signing into law of the Clean Air Act Amendments.

The man leading the upcoming COP28 UN climate talks in Dubai heads the United Arab Emirates’ state oil company. Sultan Al Jaber is the climate envoy for the UAE and has led the state renewable energy company, but some critics question the substance of his green credentials. Journalist Ben Stockton of the Centre for Climate Reporting wrote about this for The Intercept and joins Host Jenni Doering to describe the long-term public relations campaign to green Al Jaber’s image and install an oil CEO at the heart of the UN climate process.

The removal of four Klamath River dams along the California-Oregon border is expected to give salmon vital access to spawning grounds and is also giving a boost to research on how some other native species including bats can adapt to the change. Reporter Kristian Foden-Vencil of Oregon Public Broadcasting has this story about what bat researchers hope to learn.

Antarctica’s ice shelves block glaciers from flowing into the sea but a recent study found that these ice shelves lost 8.3 trillion tons of ice in the last 25 years and are at risk releasing more glacier ice into the ocean. Richard Alley is a professor of Geosciences at Penn State University and joined Host Steve Curwood to shed light on what all this could mean for sea level rise and future ice loss in Antarctica.