Feature guest - Ove Hoegh-Guldberg

Ove Hoegh-Guldberg was the first scientist to verify the link between global warming and coral bleaching. His work now focuses on the Coral Triangle. The mass of coral reefs north of Australia supports millions of people but with coral reefs under rapid climate change and ocean acidification, over fishing and pollution - those people will become refugees over the next 100 years - mirgating to Australia and NZ.