Guy McPherson is nothing, if not controversial. His human extinction within 10 years prediction polarises people. And attracts large numbers of detractors.
Which is a shame.
Because, fundamentally, what the visiting Arizona University professor emeritus - who will give a talk at 6pm on Thursday at Whanganui's Davis Lecture Theatre - is saying, is correct.
Climate science is a murky area to say the least. Not all scientists speak with one voice nor is everything said and written about it to be believed.
Corporate and political interests are claimed to be behind the myriad of internet trolls who stalk well-known science websites and leave pseudo-scientific evidence to deny that
climate change exists.