The government promises joined‑up and long‑term regional planning for water. But some pressing challenges appear to receive surprisingly little attention.

Science can only change the world when societies decide to give it the means to do so.

Circular economies don’t follow the ‘take, make and dispose’ model but try to keep products in use for as long as possible by reusing and recycling them.

A three year study of Tanzanian children found that changing the way homes are designed can prevent diarrhoea, pneumonia and malaria, and help children grow taller.