That may mean demanding that Heathrow bans staff from driving to work.
Or saying that all "airside" vehicles (that is vehicles that operate within the airport's perimeter) have to be electric.
:Banghead :Banghead :Banghead
1 airport expansion being prevented won't stop global warming. Telling Americans not to use 4.6 litre "gas guzzlers" might help and stopping the Chinese building 10s of new airports every year would be a good start. Apologies for singling out two nations, but this environmental excuse is just that.