'Synthetic trees' for capturing carbon dioxide
from Renewable Energy Magazine
Columbia University in New York and a research company have entered into a collaboration and licensing agreement for technology that extracts carbon dioxide from the atmosphere using "synthetic trees." The company, Global Research Technologies-based out of Wisconsin, hopes to have units within two years that would capture up to a ton of carbon dioxide a day. Only living plants, atmospheric chemical cycles and other natural systems can pull large volumes of carbon dioxide out of the air. Efforts to snare manmade carbon dioxide, released primarily from the combustion of fossil fuels, are not yet viable at a large scale, but some scientists think they hold great promise in tackling climate change. Most financial support so far has gone to projects that capture carbon dioxide at large point-sources such as coal plants — not from the atmosphere at large — and policy makers have focused mainly on reducing emissions by promoting energy efficiency and renewable energy sources.
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