The world’s oceans recorded their hottest year in more than 60 years with greenhouse gases driving increasing temperatures, amid concerns the ocean’s ecosystems will be unsustainable in the warmer climate.Advances in Atmospheric Sciences
He said the results were worrying and continued a long-standing trend of rising ocean temperatures, particularly given records had been broken despite last year’s La Nina event, which brings cooler conditions. As oceans continue to warm, marine heatwaves are likely to become more common. They are already twice as frequent as they were 40 years ago.
Professor Howden added the report provided a sense of urgency to reduce the impact of climate change, with technology and business already leading the way. Political will was lagging, he said.“The only solution to this is reducing greenhouse gas emissions,” he said. “These days, business is leading the way and community is leading the way,” he said. “There’s little on earth that is not affected in one way or the other by climate.
Global coral cover is forecast to decline 95 per cent under 2 degrees of warming, and 70 per cent under 1.5 degrees.Australia Institute of Marine Science coral biologist Dr Neal Cantin said there were sections of the Great Barrier Reef that were several degrees warmer than they were historically for this time of year, with scientists monitoring for bleaching events. But he added that global marine ecosystems were all at risk of warming ocean temperatures.
Coral grows with warmer water. So do many plants.
We were at Grange Beach in SA on new years eve. The water was so warm, I've never experienced it like that. The tragedy was, there were hundreds of baby blue swimmer crabs either dead or dying in the water. It was devastating.
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