Host Mary Robson welcomes Laura Tucker and students from “Plant for the Planet” to discuss their involvement in environmental issues. Closing music is “Turn, Turn, Turn (For Everything There is a Season),” performed by The Byrds.

Host Nan Evans interviews Research Wildlife Biologist Jim Bodkin in Part 1 of a 2-part discussion of sea otters. Closing music is “Peregrine,” performed by Richard Martin.

Host Mary Robson interviews Christie Lassen of Birds Unlimited in Gardiner, and talks about all things pertaining to birds migrating this time of year. Closing music is “Migrating Bird,” performed by Stella Manelaki.

Host Debaran Kelso interviews twins Nicola and Melanie Pieper and classmate Emily Amos, and discusses the Chimacum High School Pi Environmental Program. Closing music is “Calico Pie,” performed by Natalie Merchant.

Host Mary Robson provides observations and upcoming events  for a repeat of a Nan Evans interview with Joe Gaydos, co-author of “The Salish Sea – Jewel of the Pacific Northwest.” Closing music is “From Here You Can Almost See the Sea,” performed by David Gray.

Host Nan Evans interviews in-studio Carolyn Woods, Americorps at Port Townsend Marine Science Center, and discusses how to record what you see around you in nature and the environment. Closing music is “Nature,” performed by The Samples.

Host Nan Evans brings Deer Count organizers Sue Long and Loran Scruggs to the KPTZ studio to discuss the whys and wherefores of the April 2 attempt to learn more about the number of deer in Port Townsend. Closing music is “Goldeneye,” performed by Tina Turner.

Host Mary Robson welcomes geologist and earthquake specialist Michael Machette to the KPTZ studio and discusses a wide range of earthquake topics. Closing music is “Earthquake Weather,” performed by Beck.

Host Debaran Kelso brings Chimacum High School Pi students (and twins) Melanie and Nicola Pieper to the studio to talk about their “Attack of the Invasives” video and their work with to educate students on the spread of invasive plants. Closing music is “Night of the Invasive Plants,” performed by Ken Lonnquist.

Host Mary Robson interviews Christie Lassen of Wild Birds Unlimited in studio to talk about the various aspects of bird nests. Closing music is “The Nest,” performed by Heidi Wilson.