claim: The IPCC (2013), USGCRP (2017), and USGCRP (2018) indicate that it is extremely likely that human influence has been the dominant cause of the observed warming since the mid-twentieth century.
evidence: The Science and Technology Select Committee report blamed the university for mishandling Freedom of Information requests and said it had "found ways to support the culture at CRU of resisting disclosure of information to climate change sceptics".