Overnighting in the South Hams, we pass Dartington Primary School, which is relocating nearby to a £6 million purpose-built zero-carbon site. Interesting.
As it happens, this year's Key Stage 2 SATS English (for 11-year-olds) was about low-environmental-impact housing - the Earthship.
Should I be for or against? Is this Marie Antoinette territory - a dreamworld for the well-heeled - or is it the way forward for us all?