MP Richard Benyon, minister for the environment, says: “The Government support a full-length tunnel solution to help clean up the Thames. We are doing this because we think this is the only way of making sure one of the most important rivers flowing through one of the most important cities in the world is fit for the future. We would love there to be a sustainable drainage retrofit solution but we think that would be much more expensive and much more disruptive to the people of London.”

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