Many schools in Kenya force girls to wear light-coloured uniforms. These show menstrual stains more easily, which shames the girls into staying away from school. Thomas Mukoya/Reuters

Kenyan schoolgirls dread their periods, but simple changes could help

The inclusion of menstrual hygiene in the Sustainable Development Goals marks an important step forward, but to what extent will it address the issue of schoolgirl absenteeism?
All aboard. Ben Birchall/PA

Beyond the ‘poo bus’: the many uses of human waste

A British “poo bus” went into service last week, powered by biomethane energy derived from human waste at a sewage plant. For those of us who follow these matters – and my academic works include Geographies…

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