Responding to the earlier post on the greening of geography teaching, a reader e-mails me with horror stories from his ‘cultural geography’ class and dubs the whole thing ‘greenography’. I never thought that I’d miss my old geography teachers and their curious collective obsession with the York, Notts and Derby coalfield, but now I do.

Meanwhile someone else writes to say that PC has invaded the geology syllabus, but doesn’t, sadly, provide any examples.

Equal rights for quartz?