Two Caltech Startups are Harnessing the Ocean's Carbon Capture Potential: Calcarea & Captura
Calcarea and Captura, two Caltech-supported companies along with a handful of other start-ups, are taking on climate change by shifting their carbon capture and storage focus to the oceans.
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Carbon capture and Storage involved the capture of carbon dioxide emissions from industrial processes, transported through pipelines and stored deep underground, a procedure that's effective yet energy-intensive and expensive.
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Oceanic carbon removal is beneficial for the ocean biosphere since the increased levels of carbon dioxide have affected marine ecosystems through ocean acidification.
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Captura removes the carbon from the ocean directly, while Calcarea aims to clean the fuel gas directly from the cargo ships and store the carbon dioxide in the ocean.
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Calcarea mimics the Earth’s natural processes to make carbon dioxide react with limestone to produce bicarbonate ions.
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Human activity in total has generated over 400 gigatons of carbon dioxide, a third of which has settled in the atmosphere contributing to global warming.
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The Intergovernmental Panel on Climate Change (IPCC) stated that in order to avoid catastrophic damage to human health and the planet, the temperature of the planet should not rise by more than 1.5 degrees Celsius.
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The IPCC recommends switching to renewable energy and initiating carbon capture and storage practices to reduce emissions polluting the planet.
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