The world has already lost half of its coral reefs, and in only 30 years. Scientists project that by 2050, only about 10% of coral reefs will survive. At risk are the livelihoods and food security of hundreds of millions of people, a quarter of the ocean’s fish species and a trillion-dollar asset. The decline is the result of extensive local pressures resulting from overexploitation and pollution, together with rapid ocean warming and consequent coral bleaching. This emergency for the planet’s biodiversity could soon become a humanitarian crisis. The Coral Reef High Impact Initiative is an ambitious, global, high-profile initiative to catalyse concern about the consequences of coral reef loss, and channel the concern into tangible, proven on-ground solutions that attract consider