Michael Dukes’ Weatherwatch report at the back of Tuesday’s Guardian (20 March) is far too important to be relegated to such a minor position. Climate change, bringing Arctic meltdown, has serious global effects which mean very much more than the extinction of polar bears. Climatologists have long been warning of new atmospheric conditions which make freak events the new normal. The latest by Jennifer Francis comes in the April edition of Scientific American, which predicts massive coastal flooding within the next 20 years. Dr Tim MegarryLondon• Join the debate – email guardian.letters@theguardian.com• Read more Guardian letters – click here to visit gu.com/letters

Source: The Guardian March 23, 2018 16:30 UTC