MELBOURNE, Australia — The Great Barrier Reef has experienced its greatest annual loss of live coral across most of its expanse in four decades of record-keeping, Australian authorities say. But due ...

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

World-famous coral reefs along Western Australia's (WA) coast have suffered the worst bleaching on record after the state's "longest, largest and most intense" marine heatwave, scientists say. Between ...

Coral reefs, once thriving underwater cities teeming with life, now face an unprecedented crisis. Scientists have declared that coral reefs have become the first major environmental system on Earth to ...