Introducing green cuts
Today, George Osborne will unveil a new Tory idea: the "green cut". It's really rather simple.
The Treasury, under Tory control, would calculate how much each Whitehall department would save if it cut its carbon emissions by 10%. Then they would simply cut that department's budget accordingly and force them to publish their carbon efficiency performance online.
Hey presto! Saving money and saving the planet at the same time. If only life were that simple.
Labour points out that in the past 10 years, they have struggled to cut carbon emissions by 10% in central government - so promising to cut it by 10% in one year with no specific plan about how to do it looks pretty implausible.
The Tories counter that businesses have done it; but, as far as I can tell, companies like B&Q and Tesco have achieved the reduction by cutting things like transportation costs and packaging - things not largely available to central government.
It could be, of course, that this could be a cut by another name. Dress it up as "green", though, and it looks much more attractive.