Ulyana Horodyskyj Pena was recently in the Arctic and the Andes looking at glaciers, which have turned dark from falling soot and fabric particulates. She shares experiences with two senior Arctic scientists, Maria Pia Casarini and her distinguished husband Peter Wadhams. For the video, audio podcast see https://tosavetheworld.ca/episode-673-black-glaciers.

Jessica Walton works with CyberPeace, an NGO based in Geneva that offers free cyber security advice to civil society organzations worldwide.to protect themselves from crooks on the Internet. W discuss the merits and disadvantages of keeping information private. For the video, audio podcast, and comments: https://tosavetheworld.ca/episode-672-cyber-peace

Qjiel Mariano is a young indigenous man from the Philippines whose studies at York University's program in global Health is supported by Pegasus, the organization that Neil Arya founded and now chairs. Here Neil interviews Qjiel about several topics, especially the indigenous medical systems that Qjiel is studying. https://tosavetheworld.ca/episode-671-indigenous-healtlh-perspectives

Frances Flannery and Elizabeth Blackman are two of the three co-founders of an organization called "Bio-earth" which discusses some of the philosophical traditions that influence the kind of actions people take in the physical world, especially regarding climate. For the video, audio, and comments: https://tosavetheworld.ca/episode-670-religion-and-climate.

Aaron Tovish is a livelong peace organization leader. For several years his primary goal has been to promote a policy whereby the nuclear nations would all adopt a treaty promising not to be the first to attack another country with a nuclear weapon. The next step would be to disarm the existing nukes. Here he argues the case. For the video, audio podcast, and comments, https://tosavetheworld.ca.

Peter Carter, Lyn Adamson, and Brian von Herzen agree that the most effective way of addressing global warming might be to cut the $3 trillon annual expenditures on subsidies to fossil fuel industry. Since Elon Musk has promised to end all subsidies, let's challenge him to eliminate the ones to fossil fuels. The challenge is in finding a way to present such a demand with organized impact instead of separately and being ignored. For the ideo, audio podcast, and comments; https://tosavetheworld.ca/episode-668-gobal-town-hall-mar-2025

William Forstchen is a military historian who has written 50 books, including a novel about the aftermath of an electromagnetic pulse bomb. John Hallam is an Australian peace activists who has worked for nuclear disarmament since 1977. For the video, audio podcast, and comments: https://tosavetheworld.ca/episode-666-the-emp-bomb.

Pakisa Tshimika is a Congolese public health doctor in Kinshasa, where he heads the Mama Makeka House of Hope. Neil Arya is a aily physician in Waterloo, Ontario and the founder of Pegasus, an institute for health care workers and social scientists. For the video, audio podcast, and comments: https://tosavetheworld.ca/episode-664-peace-and-health-in-congo.