In the final episode of this season, we ask the biggest question of all; the one that persists beneath many of the world's most pressing headlines, and haunts us in the face of a global climate crisis.

How do we protect our home? And Is this question in and of itself — impossible? Utopian? Patronizing? Neo-colonial? An answer emerging from a place seemingly frozen in time could be the key to our future.

To learn more, visit www.wildbirdtrust.com

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This podcast is hosted by Kerllen Costa featuring interviews with Tony Knowles, Gobonamang 'GB' Kgetho, Marisa Rodrigues, and the greater NGOWP team. This podcast is written, recorded, and directed by Cat Jaffee and House of Pod in partnership with the National Geographic Okavango Wilderness Project. Funding for this project comes from a National Geographic storytelling grant and the Wild Bird Trust. Fact-checking was conducted by Aimee Machado. Juliette Luini is the producer. The audio editor and sound designer is Jason Paton. The Angolan producer is Kerllen Costa, and the Motswana producer is Thalefang Charles. Story editing comes from Rebecca Mendoza Nunziato. Gera��o 80 is the recording studio homebase in Angola.

Music: The Guardians of the River theme song was created by Victor Gama. 

The theme music of this podcast is a journey of sounds from the villagers of Tempue preparing food and drumming on bomb drums while celebrating their faith in village churches, which is interwoven with a greeting song by the children of Tempue sung before the community meeting. There is also a reed harp played by Tom Rethio, a WaYei musician. In addition to custom pieces from Victor, the music featured in the series also comes from Victor's 2010 album Pangeia Instrumentos. The tracks included on the podcast are O Pescador De Sonhos, Homem Vermelho Homem Verde, A Guerra dos Homens Répteis, O Olho No Anzol, O Diálogo Dos Pernetas, Mibanga.

Art: The episode art for Guardians of the River was illustrated by Fernando Hugo Fernandes.