Negative emissions technologies (NETs), also called carbon dioxide removal (CDR), are seen by many as an increasingly essential part of climate change mitigation. Many of the scenarios that the IPCC suggests for meeting the Paris Agreement goals suggest that we will suck billions of tonnes of CO2 out of the atmosphere by the end of the century - using technology which has barely made it past the pilot project stage. In this episode, I ask: how did we get here?

Climate 201: Negative Emissions I: The Last Thing We Should Be Talking About?

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