That same pattern was responsible for cooler-than-average conditions in the West Coast states of Washington, Oregon and California, they said.

CNN: U.S. sees warmest March in recorded history, NOAA reports

Deborah Glass, of the IPCC, said managers were responsible for a "sustained failure" to tackle a long-standing pattern of offences in the borough of Wandsworth, south London.

BBC: Met officers face action over rape inquiry failures

However, the emerging pattern is something akin to the Hollywood studio system, with the big companies still responsible for some of their own creative output, but acting mainly as banker-distributors for smaller companies' ideas.

ECONOMIST: Can't stop starting businesses