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It might sound like science fiction, but “marine cloud brightening” is being seriously considered as a way to shield parts of the ocean from extreme heat.
Water cannons are being used to spray seawater into the sky. This causes brighter, whiter clouds to form. These low marine clouds reflect sunlight away from the ocean’s surface, protecting the marine life below from the worst of climate change.
Australia’s Reef Restoration and Adaptation Program – a collaboration between several universities, CSIRO and the Australian Institute of Marine Science – is exploring whether cloud brightening could reduce coral bleaching.
