In this Totally Cooked episode, Sarah and Iain talk with Professor Lesley Hughes, exploring the concept of biodiversity—what it means, why it matters, and how it connects all life on Earth, from genes to ecosystems. They cover how climate change is accelerating biodiversity loss, particularly in Australia, and the real-world consequences this has for ecosystems, communities, and the economy. Lesley shares insights from her career in climate science and public advocacy, including her role in the Climate Council and the political challenges surrounding climate communication in Australia. The episode also unpacks how scientists engage with the public and policymakers, and the importance of clear, accessible communication in driving action. Ultimately, it’s a story about resilience, evidence-based advocacy, and how climate scientists have navigated political resistance to keep critical conversations alive. Whether you want to start your own climate change organisation, learn how one of Australia's best functions, or just love successful women in STEM, this episode is for you. Iain records Totally Cooked on the lands of the Bunurong People of the Kulin Nation. Sarah records Totally Cooked on the lands of the Ngunnawal and Ngambri people. We pay our respects to Elders past, present, and emerging and recognise their unique and continuing connection to the land, skies, waters, plants and animals.See omnystudio.com/listener for privacy information.

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