Sir – Oxford has an opportunity that won’t soon be repeated. The University has decided to work on the famous Port Meadow flats.

Now, these buildings have large roofs – unshaded, south-facing roofs.

So please, Oxford University, put solar panels on those roofs – think how much power you will generate, the costs which that free electricity will save you,  and the carbon dioxide which will not be produced.

And the panels will be a lot cheaper now than if you’d done it when the flats were first built. Nor will they be visible from Port Meadow. So let’s do it.

Paul Blay, Oxford