The Guardian
Sandra Laville

The cost of abating the carbon impact of a proposed third runway at Heathrow has doubled since parliament approved the idea of expansion, a report presented to MPs suggests.

A study by the New Economics Foundation suggests the carbon value or cleanup cost of the runway has increased from £50bn to £100bn, twice the figure presented to ministers and parliamentarians by the Department for Transport in the Airports National Policy Statement (ANPS) in 2018.

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