silance writes "Here is an article from Science Daily detailing a new method for extracting carbon dioxide from the atmosphere on a large scale and at normal concentrations. Previous systems require placement near high concentration centers such as power plants, and do not address low-concentration sources (such as internal combustion engines) which are responsible for half of the world's carbon dioxide pollution. The article descibes the technology as scalable to the point of repairing Earth's atmosphere to pre-Industrial-Age levels! Next stop, Mars..." I seem to remember something like this in SimEarth ? - but I'm not going to hold my breath (Ha! I pun!) waiting for this.
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