The riotous colours on the trees around us are one of the highlights of the year — but why do leaves change colour in Autuumn? Mark Griffiths explains.
Nature has few rites of passage more impressive than autumn colour. Chiefly a phenomenon of plants found in cool or temperate climes, the transition begins as daylight hours decrease and temperatures drop, signalling that it’s time to stop growing and manufacturing food.
Why does that happen? There are actually…
