Environmental nudge | A mad world | The B-word | Abstract artists | Pushing AI
Rather than wasting time and money on “nudge units” to boost the take-up of heat pumps (Report, 1 January), the government just needs to order housebuilders to install them at the time of construction (ditto solar panels) – gaining cost benefits from economies of scale too. Sadly, MPs don’t seem to have any guts.
Norman Miller
Brighton, East Sussex
• Re the existential threat of nuclear war (Editorial, 27 December), have we all forgotten the acronym of the cold war era? It was Mad, short for mutual assured destruction. Can there be a more succinct argument for avoiding nuclear conflict?
Anne Maclennan
Cuguen, Brittany, France
