Your article (‘Unprecedented’ adjustments in UK local weather are normalizing extremes, report says, 15 July) jogged my memory of the rhyme to assist folks convert from fahrenheit to centigrade once I was a schoolgirl within the late 60s. This was “5, 10 and 21 – winter, spring and summer time solar”, denoting the then common temperatures. Perhaps this might be up to date for the 2020s. I used to be pondering of “10, 15, 28 – scale back emissions earlier than too late”.Liz HaggartBearsted, Kent
Of all of the inequalities in training, entry to tree shade wouldn’t be excessive on my checklist (Personal colleges provide 41% extra tree shade than state colleges in England, 16 July). It’s a poor metric, as if a state college is pressured to promote an open enjoying subject, the proportion of its website lined by bushes might improve. I’d take a look at the extent of air-conditioned school rooms first.Peter WestLondon
Rhiannon Lucy Cosslett writes that studying languages slows mind ageing (12 July). I take pleasure in studying Italian idioms. The one to match “it’s one other kettle of fish” is e un altro paio di maniche (“it’s one other pair of sleeves”). Nonetheless attempting at 88.Les BonneyCheltenham, Gloucestershire
As a Crystal Palace fan, I used to be perturbed that among the many phrases I discovered within the Phrase Wheel (13 July print version) had been “eagle” and “relegated”. Is that this a worrying portent?John BryantTopsham, Exeter
The letter from Laura Matthew (As a frontline employee, my anger over the Tories’ dealing with of Covid has not abated, 16 July) ought to be engraved in stone and made a nationwide monument.Leila RobertsMickley, North Yorkshire
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