From climate sceptic to climate campaigner, Sarah Ott grew up in the US surrounded by doubters, listening to out-right deniers. This is the story of what changed her mind.

We also hear people’s questions about climate change from Kenya where there’s major drought and we speak to BBC Disinformation reporter Marco Silva on dealing with climate misinformation.

Presenter Neal Razzell is joined by: Sarah Ott, teacher and former sceptic Marco Silva, BBC Climate Disinformation Reporter Michael Kaloki, journalist in Kenya With thanks also to Sander van der Linden, Professor of Social Psychology at the University of Cambridge, UK

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Producer: Mora Morrison Researcher: Richard Tisdale Production Coordinator: Siobhan Reed & Sophie HillSeries Producer: Alex Lewis Editor: Bridget Harney Sound engineer: Graham Puddifoot