He is a trustee of the Global Warming Policy Foundation, an organisation which promotes climate change denialism. As a member of the Science and Technology Committee, Stringer participated in the investigation into the Climatic Research Unit email controversy ("Climategate") in March 2010, questioning Phil Jones closely on transparency and other issues; in the five member group producing the report he voted against the other three voting members on every vote, representing a formulation more critical of the CRU and climate scientists.