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From Anthony Richardson, Ironbridge, Shropshire, UK

Jane Rawson takes a generalised shot at economic growth as a barrier to climate action (Letters, 12 January). Maybe the two aren't so incompatible.

While the notion of infinite economic growth is illogical, developing technologies, soft and hard, will be the major instrument of climate change moderation. And Robert Solow for showing how technical advances drive economic growth.

Yes, politicians need to avoid simplistic populist appeals, such as “Trump digs coal ” or “freeing” the UK from EU standards. But they will always try to be popular to survive. They should note Greta Thunberg's at Katowice in Poland last December.