The need to trespass: let people in to protect nature, says guerrilla botanist

Naturalist and campaigner Dave Bangs says limiting access to the countryside makes it harder to save our ancient landscapes

In a prehistoric bog where iguanodons once roamed and the early Britons first smelted ore into iron, what looks like a tiny orange candle peeps through the mire. It sends my companion into a paroxysm of joy.

That's good! That's new!"