If global warming is caused by too much carbon dioxide being released into the atmosphere by human activities, intercepting those greenhouse gases before they reach the atmosphere — or, better yet, sucking them right out of the sky — sounds like a logical solution.
That’s the promise of carbon capture technologies, one of the few climate change solutions that doesn’t just reduce the amount of carbon emitted, but can actually remove carbon from the atmosphere, thereby generating “negative emissions.” https://www.cbc.ca/news/technology/carbon-capture-faq-1.5250140