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Scientists try to bolster Great Barrier Reef in warmer world

Tourists snorkel while holding hands above Moore Reef in Gunggandji Sea Country off the coast of Queensland in eastern Australia on Nov. 15, 2022. The Great Barrier Reef, battered but not broken by climate change impacts, is inspiring hope and worry alike as researchers race to understand how it can survive a warming world. (AP Photo/Sam McNeil) Kerry Cameron, marine biologist with Reef Recruits, examines a plate coral for signs of spawning along Moore Reef in Gunggandji Sea Country off the coast of Queensland in eastern Australia on Nov. 15, 2022. The Great Barrier Reef, battered but not broken by climate change impacts, is inspiring hope and worry alike as researchers race to understand how it can survive a warming world. (AP Photo/Sam McNeil) Divers leave the Remoora pontoon on Moore Reef in Gunggandji Sea Country off the coast of Queensland in eastern Australia on Nov. 15, 2022. The Great Barrier Reef, battered but not broken by climate change impacts, is inspiring hope and worry alike as researchers race to understand how it can survive a warming world. (AP Photo/Sam McNeil) Tess Concannon, marine biologist and project manager for Reef Cooperative, looks for coral spawn in Moore Reef in Gunggandji Sea Country off the coast of Queensland in eastern Australia on Nov. 14, 2022. The Great Barrier Reef, battered but not broken by climate change impacts, is inspiring hope and worry alike as researchers race to understand how it can survive a warming world. (AP Photo/Sam McNeil) Remoora Pontoon, owned by Reef Magic, floats above Moore Reef in Gunggandji Sea Country off the coast of Queensland in eastern Australia on Nov. 14, 2022. Multiple members of the Yirrganydji and Gunggandji communities are working with government and tour agencies as guides, sea rangers and researchers on reef protection and restoration projects. (AP Photo/Sam McNeil) A sea turtle swims over corals on Moore Reef in Gunggandji Sea Country off the coast of Queensland in eastern Australia on Nov. 13, 2022. The Great Barrier Reef, battered but not broken by climate change impacts, is inspiring hope and worry alike as researchers race to understand how it can survive a warming world. (AP Photo/Sam McNeil) Tarquin Singleton, cultural officer at the Reef Cooperative, swims past a coral on Moore Reef in Gunggandji Sea Country off the coast of Queensland in eastern Australia on Nov. 13, 2022. Below the turquoise waters is an underwater rainbow jungle teeming with life that scientists say is showing some of the clearest signs yet of climate change alongside melting glaciers, raging wildfires, deep droughts, supercharged storms, mega floods, and species extinction. (AP Photo/Sam McNeil) A school of fish swim above corals on Moore Reef in Gunggandji Sea Country off the coast of Queensland in eastern Australia on Nov. 13, 2022. The Great Barrier Reef, battered but not broken by climate change impacts, is inspiring hope and worry alike as researchers race to understand how it can survive a warming world. (AP Photo/Sam McNeil) Tarquin Singleton, cultural officer for the Reef Cooperative, swims past a massive coral on Moore Reef in Gunggandji Sea Country off coast of Queensland in eastern Australia on Nov. 13, 2022. Multiple members of the Yirrganydji and Gunggandji communities are working as guides, sea rangers and researchers on reef protection and restoration projects. (AP Photo/Sam McNeil) A Bumphead parrotfish swims above corals on Moore Reef in Gunggandji Sea Country off the coast of Queensland in eastern Australia on Nov. 13, 2022. The Great Barrier Reef, battered but not broken by climate change impacts, is inspiring hope and worry alike as researchers race to understand how it can survive a warming world.(AP Photo/Sam McNeil) Two divers from the Reef Magic cruise swim above corals on Moore Reef in Gunggandji Sea Country off the coast of Queensland in eastern Australia on Nov. 13, 2022. The Great Barrier Reef, battered but not broken by climate change impacts, is inspiring hope and worry alike as researchers race to understand how it can survive a warming world. (AP Photo/Sam McNeil) Tarquin Singleton, cultural officer at the Reef Cooperative, stands on the Remoora pontoon above a section of the Great Barrier Reef in Gunggandji Sea Country off the coast of Queensland in eastern Australia on Nov. 15, 2022. Singleton is from the Yirrganydji community which has partnered with authorities to protect the Great Barrier Reef. (AP Photo/Sam McNeil) Aric Bickel, left, and Valerie Chamberland, scientists working for SECORE International, stand above coral restoration devices called tetrapods aboard a floating laboratory aboard a retrofitted ferry named the "sci-barge" off of Konomie Island off the coast of Queensland in eastern Australia on Nov. 10, 2022. Authorities are trying to buy the reef time by combining ancient knowledge with new technology. (AP Photo/Sam McNeil) Carly Randall, senior research scientist for the Australian Institute of Marine Science, holds a coral sample at a floating laboratory off of Konomie Island off the coast of Queensland in eastern Australia on Nov. 10, 2022. Heat waves in recent years drove corals to expel countless tiny organisms that power the reefs through photosynthesis, causing branches to lose their color or "bleach." (AP Photo/Sam McNeil) Scientists working for the Australian Institute of Marine Science gather corals for study off Konomie Island off the coast of Queensland in eastern Australia on Nov. 10, 2022. Authorities are trying to buy the reef time by combining ancient knowledge with new technology. (AP Photo/Sam McNeil) Coral fragments are grown by scientists on metal lattice above resilient and damaged coral in the Great Barrier Reef off of Keppel Island in eastern Australia on Nov. 9, 2022. Authorities are trying to buy the reef time by combining ancient knowledge with new technology. (AP Photo/Samuel McNeil) Grant Cameron, field operations manager for Reef Cooperative, dives below the Remoora pontoon on Moore Reef in Gunggandji Sea Country off the coast of Queensland in eastern Australia on Nov. 15, 2022. The Great Barrier Reef, battered but not broken by climate change impacts, is inspiring hope and worry alike as researchers race to understand how it can survive a warming world. (AP Photo/Sam McNeil) The Remoora pontoon, owned by Reef Magic, sits above the Moore Reef, a section of the Great Barrier Reef in Gunggandji Sea Country off coast of Queensland in eastern Australia on Nov. 14, 2022. The Great Barrier Reef, battered but not broken by climate change impacts, is inspiring hope and worry alike as researchers race to understand how it can survive a warming world. (AP Photo/Sam McNeil) Two clownfish swim in an anemone on Moore Reef in Gunggandji Sea Country off the coast of Queensland in eastern Australia on Nov. 13, 2022. The Great Barrier Reef, battered but not broken by climate change impacts, is inspiring hope and worry alike as researchers race to understand how it can survive a warming world. (AP Photo/Sam McNeil)