What can the German philosopher Karl Marx teach us about global warming? Apparently quite a lot for someone who died nearly a century before scientific evidence of the problem started to accumulate. This is the argument of Marx in the Anthropocene, a recently translated book by Kohei Saito who teaches philosophy at the University of Tokyo in Japan, where it sold more than half a million copies.

While the money businesses can make from turning nature into saleable commodities is infinite, Earth’s ecosystems are not. “There may be no clearer illustration than the record profits of fossil fuel companies amid worsening climate conditions,” writes Timothée Parrique, an ecological economist at Lund University in Sweden who has followed Saito’s work. Marx’s writings on ecology have tended to be neglected, but combining his analysis of capitalism with newer scholarship on alternatives to economic growth offers a way to halt the escalating climate crisis, Parrique says.

Environment secretary Thérèse Coffey recently advised people to respond to the tomato shortages in supermarkets by turning to turnips instead. While many might grimace at the prospect, historian Serin Quinn at the University of Warwick claims that “neeps” were once highly prized in Britain for their variety of shapes, colours and flavours. And did you know fish have evolved the ability to walk at least five times? A biologist explains how it aided our own evolution.

Jack Marley

Environment + Energy Editor

John Bingham/Alamy Stock Photo

Economic growth is fuelling climate change – a new book proposes ‘degrowth communism’ as the solution

Timothée Parrique, Lund University

What does Karl Marx have to say about climate change? Quite a lot, according to a new book.

Hand-coloured etching of a king and his turnip (1819). © The Trustees of the British Museum

Turnips: how Britain fell out of love with the much-maligned vegetable

Serin Quinn, University of Warwick

Thérèse Coffey’s recent suggestion that Brits eat turnips instead of tomatoes during food shortages was mocked – but the turnip hasn’t always been so unpopular, as a food historian explains.

3D rendering of the tiktaalik, an extinct walking fish. Dotted Yeti/Shutterstock

How fish evolved to walk – and in one case, turned into humans

Chris Organ, University of Reading

We can trace our human evolutionary lineage back to fish.

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