Coral Reefs Could Be Gone in 30 Years

World Heritage reefs will die of heat stress unless global warming is curbed, a new UN study finds.

500 Error reading 'isEmpty' on type com.nationalgeographic.componentry.sling.model.promo.BetaRelatedContentListPromo

Error reading 'isEmpty' on type com.nationalgeographic.componentry.sling.model.promo.BetaRelatedContentListPromo

Cannot serve request to /content/news/en_US/2017/06/coral-reef-bleaching-global-warming-unesco-sites.html on this server