Fairness has become the fault line running through the UK’s next phase of climate policy and MPs are warning that without it the Seventh Carbon Budget could fail before it even begins.
In a report published today, the Environmental Audit Committee says fairness is “fundamental” to the legitimacy of the UK’s climate targets and that public consent for net zero cannot be taken for granted if costs fall early and unevenly while benefits arrive later or remain invisible.
Where people feel they are paying first and gaining last, support will drain away.
The warning lands as the Government prepares to legislate the Seventh Carbon Budget, covering the period from 2038 to 2042.
MPs were asked to scrutinise the advice behind it and what they found is a delivery challenge as much as a technical one.
The committee points to mixed signals from ministers that risk undermining confidence.
Proposals such as pay-per-mile charging for electric vehicles sit uneasily alongside decisions like airport expansion.
Taken together, MPs say, these choices create the impression that net zero is a conditional ambition rather than a binding national obligation.
That uncertainty could slow uptake of low-carbon technologies and deter investment at precisely the wrong moment.
The report argues that fairness must be built into the system, not bolted on later.
A key recommendation is to rebalance electricity and gas prices by shifting policy costs off electricity bills and into general taxation. Without that change, households that cannot easily move away from gas risk carrying a disproportionate share of the transition.
MPs also call for a clear assessment of which groups face the greatest disruption, including workers whose jobs may be displaced, and for government to set out how those people will be supported.
Crucially, the committee rejects the idea that benefits like warmer homes, cleaner air and lower running costs are side effects of decarbonisation.
They are the mechanism through which public consent is earned. If policies do not visibly improve daily life, behaviour change will stall.
The committee also warns against confusing decarbonisation with deindustrialisation. Allowing production to move overseas would weaken the UK’s industrial base while doing little to cut global emissions.
Ministers are urged to explain how the carbon budget will protect energy-intensive sectors and keep emissions reductions at home.
The Climate Change Committee has advised setting the budget at 535 million tonnes of CO₂ equivalent, a level MPs say is technically credible but politically demanding.
The easy wins are largely gone. What comes next will be harder, more expensive and far more dependent on coordination across government, markets and the public.
Without fairness at its core, MPs conclude, the numbers may add up on paper but the policy will not hold in the real world.
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