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.
The “carbon value” of the expansion is the price of abatement required to offset the carbon emissions of the runway. This autumn, the government revised carbon values to bring them into line with new legally binding net zero obligations, passed in June 2019.
The report – presented to the
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