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A teenager at a school desk stretching back and yawning

Your teenager's biology demands later school starts and lie-ins

31 August 2017

Schools in the US and beyond are right to consider a later start time for teenage students given growing evidence about adolescent body clocks, says Russell Foster
We really can run the world on renewable energy – here’s how

We really can run the world on renewable energy – here’s how

23 August 2017

Can the planet change over to 100 per cent clean and renewable energy fast enough to avoid extreme climate impacts? Yes it can, says Mark Jacobson

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