<p>With Britain's islands holding more than three-quarters of the Earth's stock of heather moorland, it is an extraordinary fact that it stands as one of the world's rarest habitats.<br>A landscape beloved by millions, it's renowned for the tranquility and solace it provides ? however, this tranquility is an illusion. Britain's moorlands have, in less than a decade, moved from a position of benign consensus to the epicentre of the bitterest confl...