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cambeiu t1_j1c41rb wrote

Reply to comment by sillypicture in Changes in Earth’s orbit that favored hotter conditions may have helped trigger a rapid global warming event 56 million years ago that is considered an analogue for modern climate change by giuliomagnifico

Many reasons, but the simplest one is that it takes a lot of energy to trap carbon in large scale (both to build the machines and to run the machines). We are talking about a lot of carbon here. In 2020 alone the global CO2 output was 34 billion metric tons. This is a mind boggling large number. For machines to even make a dent on this we are talking about a lot of construction, in a scale humanity has never done before, and a lot of energy production, on a scale humanity has never done before.

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