Scepticism in Whitehall that Heathrow plan can be reconciled with climate targets

Emission targets could derail project as campaigners say net zero commitment cannot be met if expansion happens

• Reeves urged to rethink plans for airports and roads
• Heathrow third runway: promises, protest and U-turns

Rachel Reeves caused a furious backlash as she insisted a third runway at Heathrow was set up for success", despite scepticism in Whitehall that the plan can be reconciled with the UK's climate obligations.

The chancellor made throwing the government's weight behind Heathrow expansion the centrepiece of a major speech on growth on Wednesday.