Toby Kiers is an evolutionary biologist at the Free University of Amsterdam and Director of SPUN. She talks about mycorrhizal fungi’s amazing characteristics, including their ability to help with climate change. Toby is the winner of the 2026 Tyler Prize (often dubbed the Green Nobel) and a MacArthur Genius Fellow. Planet Philadelphia airs on 92.9 FM in NW Philadelphia & gtownradio.com, 4-5:00 PM ET the 1st & 3rd Friday/month. Support Planet Philadelphia environmental radio show and Gtown Radio at https://gtownradio.com/donate/.