Time spent in nature can reduce stress and anxiety, boost fitness and sleep, and help build resilience, experts say, but many children do not experience it.

As the British weather turns colder and wetter, many children will be spending less time outdoors. But for some, it’s not just the rain that’s keeping them indoors, it’s poverty.

Experts say that time spent in nature can reduce stress and anxiety, boost fitness and sleep, and help build resilience.

Yet for millions of children across the UK, even the simple joy of jumping in puddles or climbing trees is out of reach.