February 27, 2024

In the 1970s, Graeme Pearman measured rising carbon dioxide levels in the atmosphere and briefed three prime ministers on what this meant for the planet. After decades leading Australia’s climate research, Pearman, now 82, speaks of the frustration that the science has not led to meaningful change. ► Subscribe to Guardian Australia on YouTube

This video is part of Weight of the World: a climate scientist’s burden. The series features three pioneering Australian climate change scientists – Graeme Pearman, Lesley Hughes and Ove Hoegh-Guldberg. The series tells the story of how the three scientists made their discoveries, how they were attacked for their science and the personal toll it took on them. And importantly, how they stay hopeful.

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