Episode

Big Ideas - Full program podcast

ABC Radio National

Society & Culture, History

Big Ideas brings you the best of talks, forums, debates, and festivals held in Australia and around the world, casting light on the major social, cultural, scientific and political issues

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Engineering a cooler planet

June 11th, 2015

Episode 172 of 559 episodes

Geo-engineering a cooler planet. A whole range of scientists are looking at engineering technologies to mitigate climate change. We could for example reflect more solar radiation back into space by making more reflective clouds; or we could trap carbon dioxide out of the atmosphere and bury it underground, to diminish the “greenhouse” effect. Would such technologies work, and would there be side effects? And who would decide whether to do this, and when, if ever, to stop?

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