There are ecosystems like coral reefs [at risk] through ocean acidification. Those are valuable things that we should protect. — Bill Gates Copy Share Image
![“There are ecosystems like coral reefs [at risk] through ocean acidification. Those are valuable things that we should protect.” quote by Bill Gates](https://sms4smile.com/quotes/img-quotes/ecd/bill-gates-137_coral-reefs_there-are-ecosystems-like-coral-reefs-at_91440.jpg)