Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet ...

These striking images, exhibited as part of the Right Here, Right Now Global Climate Summit, show the devastating effects of climate change.

Pictures have revealed the startling low water level at Woodhead Reservoir in Derbyshire, the result of the driest spring in the last 100 years. Although rainfall in the last fortnight has ...