Chris Binnie in rethink on Thames 'super-sewer' plan

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An expert who recommended London should have a £3.6bn "super-sewer" has said there may be a cheaper alternative involving two shorter tunnels.

Chris Binnie led a study group which in 2005 said one tunnel under the Thames, from Hammersmith to Beckton, was the best way to solve sewage dumping.

But Mr Binnie said a number of factors had changed since the research was done.

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