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The Conversation
The Conversation
Environment
David Dempsey, Senior lecturer, University of Canterbury

NZ's geothermal wells offer a cheap way of storing carbon permanently -- equivalent to taking 600,000 cars off the road

NZ New Zealand Electricity Greenhouse Gases IPCC MBIE
Shutterstock/N.Minton

We know putting carbon dioxide (CO₂) into the atmosphere is bad for the climate. But should we be reversing some of the damage by removing greenhouse gases that were emitted decades ago?

The Intergovernmental Panel on Climate Change (IPCC) seems to think so. Its latest report highlights CO₂ removal as an essential activity if society wants to avoid warming the climate by 2℃ or more.

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