South Pacific countries will experience more extreme floods and droughts, in response to increasing greenhouse gas emissions, according to a new article.

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A team of federal and university scientists on a 10-day expedition in the Gulf of Mexico has discovered Lophelia coral growing deeper than previously seen anywhere in the Gulf. Newly available information on Lophelia's growth rate and conditions will inform future environmental review and decision-making for the protection of deep-water coral habitats.

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Microbes, sponges, and worms -- the side effects of pollution and heavy fishing -- are adding insult to injury in Kenya's imperiled reef systems, according to a recent study.

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Scientists identify melanoma in the coral trout, a species found on the Great Barrier Reef and directly beneath the world's largest hole in the ozone layer.

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Rapid rates of coral reef growth have been identified in sediment-laden marine environments, conditions previously believed to be detrimental to reef growth. A new study has established that Middle Reef – part of Australia's iconic Great Barrier Reef – has grown more rapidly than many other reefs in areas with lower levels of sediment stress.

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NOAA Ship Oscar Elton Sette arrived back in its homeport of Honolulu a few days ago after a month in Papahānaumokuākea Marine National Monument. The team of 17 scientists collected nearly 50 metric tons of marine debris, which threatens monk seals, sea turtles and other marine life in the coral reef ecosystem, in the Northwestern Hawaiian Islands (NWHI).

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Could the pumice that surges into the ocean once a volcano erupts in Tonga or elsewhere in the south-west Pacific save the Great Barrier Reef? New research conducted by Queensland University of Technology geologist Dr Scott Bryan indicates that yes, this is not only possible, but could be how the Great Barrier Reef formed in the first place.

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Scientists have discovered two viruses that appear to infect the single-celled microalgae that reside in corals and are important for coral growth and health, and they say the viruses could play a role in the serious decline of coral ecosystems around the world.

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