After witnessing toxic fumes pouring from a nearby factory, Virginia Kilgore decides to take action, and while working in Delhi, Sai Krishna Dammalapati is baffled by how unfazed people seem by the city’s severe air pollution.

When wildfires erupt in Los Angeles, Tracy Drain’s work on the Europa Clipper mission is suddenly at risk, and as a child, Victoria Dinov lives through a historic wildfire that stays with her long after the ashes settle.

While researching flood risk and insurance costs in California, international student Hannah Melville-Rea is shocked by just how unprotected many people are, and Patricia Schuba is determined to stop coal and waste pollution from contaminating the groundwater in Labadie, Missouri.

While filming a wildlife documentary, filmmaker Mae Dorricott begins to notice just how profoundly human activity is shaping animal behaviour, and for Christy Marsden, climate change always felt like a distant threat until a patch of ice brought it sharply into focus.