Taking the drama out of a crisis

Today’s Guardian led with a piece about a comprehensive Chinese study which shows that air pollution (already implicated in 7 million premature deaths a year worldwide) damages intelligence and cognitive function, not just in foetuses and children, but in adults, especially those over 64. Equality Streets offers a low-cost, low-risk way of making an immediate difference. Without signals causing stops, restarts and needless delay, traffic can move gently and merge at low revs, cutting emissions dramatically.