TRACY, Calif. (KGO) -- By using the slightest of breeze in the Central Valley, a San Francisco-based company can remove harmful CO2 from the air. We visited the country's first commercial direct air ...
The ZeroCAL approach, which can be integrated within the existing cement-production process, uses limestone feedstock to produce calcium hydroxide — which emits no carbon dioxide when burned to ...
Could a seemingly magical 300-year-old technology save us from climate change? Chemists have been pulling carbon dioxide out of the air for almost 300 years, but can this seemingly magical technology ...
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