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| Understanding Ozone Layer Geoengineering Sierra Express Media Stratospheric ozone depletion from eruption of large volcanoes in South America is likely, given their ability to release huge amounts of bromine –- an Ozone … See all stories on this topic » |
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| Could a supervolcano happen in our lifetime? MetroNews Canada Imagine a volcano with enough power to wipe out much of the world with a single eruption. Could it happen in our lifetime? Not likely, scientists say. But it could … See all stories on this topic » |
