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How travelers can help save coral reefs

Danny DeMartini, chief scientific officer and co-founder of Kuleana Coral Restoration, a nonprofit organization in Hawaii, said multiple stressors are overburdening corals. “There’s an ecological equilibrium where coral growth rates can withstand some amount of natural pressure from waves, storms, some runoff,” he said. But, he added, the accumulation of human-generated environmental stressors — including pollution, changes in sedimentation from development, increasing ocean temperatures due to global warming, and destruction caused by trampling and anchoring on the reef — has disrupted the balance. “It’s becoming harder for coral growth to keep up.”

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