Press Association: The scientist at the centre of an ongoing row about climate research has defended his work against allegations published in today’s Guardian that he covered up flawed data on temperature rises. Professor Phil Jones, the head of the University of East Anglia’s Climatic Research Unit, said a 20-year-old study questioned by sceptics “stands up to scrutiny” and was corroborated by more recent work. The allegations concern a request from sceptic Douglas Keenan, who queried data from …