The BBC show was right to preach about plastics and pollution but misleading about ocean acidification and melting ice
Nothing that Hollywood sci-fi screenwriters dream up for outer space begins to rival the beauty and ingenuity of life under water right here. Blue Planet II captured behaviour that was new to science as well as surprising: giant trevally fish eating sooty terns on the wing; Galapagos sea lions herding yellowfin tuna ashore; an octopus wrapping itself in shells to confuse sharks.
The series also preached. Every episode had a dose of bad news about the ocean and a rebuke to humanity, while the entire last episode was devoted to the environmental cause, featuring overfishing, pollution, climate change and ocean acidification. The team behind the incomparable Sir David Attenborough has acceded to demands that it should push more environmentalism.
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Matt Ridley, The Times, 20 December 2017. Article (subscription required).
Please note that the views of Mr Ridley go against the assessment of the scientific community working on ocean acidification (see e.g. IPCC, 2013 & 2014). See also comment by Prof. Daniela Schmidt, University of Bristol, regarding the BBC documentary and Mr Ridley’s article (https://news-oceanacidification-icc.org/2017/12/20/blue-planet-ii-facts/).