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How Wine Corks Help Fight Global Warming

How Wine Corks Help Fight Global Warming
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Scientists say climate change is becoming more pressing with news of melting permafrost and rising sea levels. Scientists have been urging people around the globe to reduce emissions of climate warming carbon, but the Salk Institute in San Diego is taking a different approach. There, scientists are working on developing plants that would capture more carbon than plants do now and store it away for centuries, preventing it from being released back into the atmosphere. Genia Dulot has the story.