'It's death by a thousand cuts': marine ecologist on the collapse of coral reefs

David Obura believes humans have been using nature for free, and tipping points at some reefs have already passedThe Kenyan marine ecologist David Obura is chair of a panel of the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES), the world's leading natural scientists. For many decades, his speciality has been corals, but he has warned that the next generation may not see their glory because so many reefs are now "flickering out across the world". Continue reading...