Back from the brink: the global effort to save coral from climate change

Underwater nurseries offer glimmer of hope for endangered ecosystems, encouraging growth of coral fragments on fibreglass structures anchored to the seabedAs an ocean early warning system, coral reefs have been sounding the alarm for years. They have been bleached white by marine heatwaves and killed off en masse by a combination of factors including pollution, overfishing, acidification and climate change.But now scientists in Florida, and other tropical locations worldwide, are attempting to stop the rot by creating coral "nurseries" in which young populations can be raised in controlled conditions before being planted on denuded reefs. Continue reading...