Boris Johnson has promised – PROMISED! – that good ol’ Blighty is going to produce infinite clean energy within two decades. That’s right, ‘nuclear fusion’ is just around the corner! But, er, is it really? And more importantly, what the HELL is nuclear fusion?

Also this week, pine martens join the war on grey squirrels, and the poor loves at Cuadrilla retreat from Lancashire with tails between their legs.

Sustainababble is your friendly environment podcast, out weekly. Theme music by the legendary Dicky Moore – @dickymoo. Sustainababble logo by the splendid Arthur Stovell. Ecoguff read out by Arabella.

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