Positive Feedback Podcast   /     How a 1969 snorkel trip led to a shocking discovery about the future for the world's coral reefs.

Description

Marine biologist Professor Ove Hoegh-Guldberg "almost fell off the chair" when he realised how vulnerable the world's coral reefs would be to climate change. But after being attacked as an "alarmist", it turns out he may have been too conservative.