The podcast episodes explore various environmental threats, including water scarcity, invasive species, and the impact of human activities like shipping and resource extraction.

For example, the episode 'Dan Chapman, "A Road Running Southward: Following John Muir's Journey Through an Endangered Land" (Island Press, 2022)' discusses the environmental challenges facing the American South, such as pollution and habitat loss. The episode 'G7 ministers discuss Ukraine's appeal for weapons' addresses the threat of invasive fire ants in Australia, while 'How the 'shadow fleet' helps Russia skirt sanctions' explores the environmental risks posed by the 'shadow fleet' of ships used to transport commodities while evading sanctions.

The episodes also highlight the efforts of individuals and organizations working to address these threats through conservation, research, and community engagement.