Solar geoengineering: the risks and distractions of trying to reflect sunlight to cool the Earth – podcast

By Gemma Ware, Host, The Conversation Weekly Podcast, The Conversation

One technique involves releasing particles of sulphur dioxide high up in the stratosphere. Another involves trying to brighten the clouds over the sea by spraying salt water off the back of ships. Both are potential methods of solar radiation modification (SRM), a type of solar geoengineering aimed at trying to reflect more sunlight away from Earth, thus helping to reverse the effects of global warming.

While SRM has attracted attention and…

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