Do wood burners add to air pollution in cities? Yes, say citizen scientists

Pioneering Bristol study blames the solid-fuel burners in people’s homes for breaches of World Health Organisation guidelines

Global heating is cutting sleep across the world, study finds

Data shows people finding it harder to sleep, especially women and older people, with serious health impacts

Space to grow: wilderness therapy could help abuse survivors

University of Essex pilot study suggests being outdoors can help self-esteem and wellbeing

Here’s another reason to donate blood: it reduces ‘forever chemicals’ in your body

While the $4tn global wellness industry bends over backwards to sell us dubious detox products, there is an accessible, easy, and free way to genuinely rid our bloodstreams of toxins

The Guardian view on guerrilla gardening: go forth and grow

Editorial: Requiring councils to list neglected public land on which to plant fruit and vegetables would be a good thing

EU officials being trained to meditate to help fight climate crisis

Exclusive: Early results from ‘applied mindfulness’ courses suggests they have helped overcome despair that little can be done

Hyperlapse video: hiking the epic Grampians Peaks Trail in 5.5 minutes

The GPT is a new 13-day, 160km traverse of western Victoria’s Grampians (Gariwerd) national park. David Fanner survived the walk, but condensing his journey into a hyperlapse almost broke him

Is it wrong to seek some release from miserable reality? I can’t help but try

Our anxiety levels remain high, a poll reveals, as war follows pandemic. Don’t be shy of occasional joy

Why do many animals snore?

The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts

10 enchanted gardens: beautiful and quirky spaces

Our pick of truly unique gardens inspired by everything from black holes and poison to kidnap and cats