Air pollution: how big a problem is it for cyclists?

Peter Walker: It prematurely kills an estimated 30,000 Britons a year, but at least on a bike there are measures you can take to reduce the risks

Move over quinoa, Ethiopia’s teff poised to be next big super grain

Rich in calcium, iron and protein, gluten-free teff offers Ethiopia the promise of new and lucrative markets in the west. Claire Provost and Elissa Jobson investigate

Relax, it’s no longer weird to be a vegan

Harriet Walker: Once the preserve of sandal-and-socks wearing Guardianistas, a meat and dairy-free diet is now the healthy, ethical (and fashionable) option

Children told to go play outdoors in new nature campaign

Wild Network aims to get schoolchildren off their computers and outdoors to experience the wonders of the wilderness

Should I live somewhere quieter?

Studies have found that living near an airport may be linked to increased incidence of heart disease and stroke – but is living near a busy road any better?

Wild swimming itself isn’t dangerous, but our behaviour around water can be

Daniel Start: The heatwave has seen many drownings, but the more experience our children have of open waters, the safer they'll be

The End of Night by Paul Bogard – review

Would less artificial light be better for us all? It's a modest and worthwhile aim, finds Salley Vickers

Is our love of nature writing bourgeois escapism?

We can't get enough of books about discovering yourself in the wilderness. What's it all about, asks Steven Poole

Labour unveils plan to promote food-growing culture in Britain

Plant fruit trees on housing estates and vegetable patches in schools to address 'nutrition recession', party says

How to beat the midges this summer

From digital tracking services to creams and traditional bog myrtle, you can beat the flying pests