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Ooh, where was I? Oh, yeah. Order for Sam.

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I'm going to be totally honest. I've been feeling pretty down about climate change lately.

It kind of felt like the Glasgow Summit fizzled. There was the news that the key ice shelf

in Antarctica is melting faster than expected. Then there were the awful tornadoes over

the weekend. So when I read Clive Thompson's story about a potential solution to climate

change, or at least some technology that might be helpful, I was immediately hooked. Clive

story, which ran in Mother Jones, is about something called Direct Air Carbon Capture, or

DAC.

Direct Air Carbon Capture is basically the art and science of extracting CO2 from the

air. Think of a giant vacuum, but for carbon.

You create a machine that uses a chemical process to bind CO2 and turn it into something

that you can then store somewhere. Maybe a shove it really deep in the ground. So it's

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