A Half-Trillion Corals Live in Just One Ocean. Does That Mean They are Safe?

March 4, 2021 By Elizabeth Pennisi Science Magazine
A comprehensive survey of corals has turned up billions of colonies across the Pacific Ocean. The work—based on actual head counts, satellite data, and informed estimates—suggests many species are not in immediate danger of extinction, and the census could help conservationists and policymakers make better decisions about how to protect reefs.