But regulation is no substitute for putting a price on carbon, which would harness the power of the market to cut emissions more cheaply.

ECONOMIST: Maria Cantwell and the politics of global warming

But Iftikhar said Shafilea had told her mother she had accidentally picked up a bottle of bleach instead of mouthwash during a power cut.

BBC: Shafilea's body was found by the River Kent in Sedgwick