claim: “Dr Browman, a marine scientist for 35 years, said he was not saying that ocean acidification posed no threat, but that he believed that “a higher level of academic scepticism” should be applied to the topic.
evidence: Skepticism ( American English ) or scepticism ( British English, Australian English, and Canadian English ) is generally a questioning attitude or doubt towards one or more items of putative knowledge or belief or dogma.