Technology

Five Carbon Capture Techniques That Could Help Mitigate Global Warming

Avoiding ruinous climate change will require removing massive amounts of carbon from the atmosphere, according to the UN. Here are some of the early efforts.

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The United Nations Intergovernmental Panel on Climate Change estimates that warding off catastrophic global warming requires actively removing 100 billion to 1 trillion tons of carbon dioxide from the atmosphere by midcentury. “We have to create an industry equivalent to the oil and gas industry whose job it is to undo emissions,” says Julio Friedmann, chief executive officer of Carbon Wrangler LLC and a senior research scholar at Columbia University. Here are some of the most promising demo-ready projects trying to do just that.

Innovators: Christoph Gebald and Jan Wurzbacher, co-founders and directors of Climeworks AG, a startup in Zurich with 63 employees