Archive for April, 2014

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Al Jazeera America–Can carbon dioxide removal save the planet?

Imagine 10 million car-sized contraptions dotted along shorelines and scattered throughout open spaces, sucking carbon dioxide from the air, powered by vast amounts of electricity and water. Or immense complexes for pulverizing and dumping limestone into the oceans at rates near the current use of coal. Or arable land devoted to growing biofuel rather than […]