Why has Britain’s grass turned yellow? A plant scientist explains what happens next

Fields, parks and lawns across Europe have turned to straw this summer. Landscapes thousands of years old have been revealed as green outlines against yellow backgrounds, where ancient underground walls and ditches retain enough water to sustain pockets of grass above them. Lawns and parklands have been especially affected because what water is available is being directed to homes and farms. July was the driest month ever recorded in England and Wales, and droughts have affected parts of…