How credible is he? Here’s just some fact-checking:
David Suzuki, The Age, yesterday:
...Half the coral on the Great Barrier Reef has disappeared in the past 27 years and its size could halve again in the next decade with degradation of the environment and the increasing frequency of cyclones.
Frequency of cyclones? Australian Bureau of Meteorology:TRENDs in tropical cyclone activity in the Australian region ... show that the total number of cyclones has decreased in recent decades ... Two (recent studies) suggest that there will be no significant change in tropical cyclone numbers ... The third study, based on the CSIRO simulations, shows a significant decrease in tropical cyclone numbers for the Australian region ..
Great Barrier Reef Marine Park Authority:CORAL reefs can cope with natural disturbances like floods and cyclones ...
And what exactly is damaging the reef? Brian Handwerk in National Geographic, June 8:TERRY Hughes, who heads the Australian Research Council Centre of Excellence for Coral Reef Studies headquartered at James Cook University ... (said) ... “Coastal reefs have been obliterated by run-off of sediment, dredging, and pollution.”
h/t Blazing Cat Fur