Preview Toxic blue green algae on Haweswater reservoir during a hot summer, Lake District, Cumbria, England, United Kingdom, Europe Image ID: 911-5503 Artist: Ashley Cooper Purchase a commercial license Buy framed prints & more from our print store toxic polluted contaminated water reservoir algae algal bloom blue green algae summer haweswater climate change global warming day outdoors pollution lake lakes lake district cumbria england great britain united kingdom europe close up feather feathers close ups horizontal