The expansion of Heathrow is fundamentally at odds with tackling climate change. The two are completely incompatible, and expansion cannot go ahead. An expanded Heathrow will increase the UK’s carbon emissions by between 8 megatonnes and 9 megatonnes of CO₂ per year, with much of it being dumped on green spaces such as Putney Heath.

Heathrow expansion will worsen air pollution levels in Putney. The Government have accepted that it would have a “significant negative” effect on air quality, and they have provided no evidence to show how Heathrow can both expand and comply with legal limits at the same time.

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