The sixth annual Environmental Photographer of the Year award is now open for entries. The competition, organised by the Chartered Institution of Water and Environmental Management, is open to all photographers and calls for images of environmental and social issues.

Categories this year include changing climates, quality of life and the natural world. Winning and commended images will be displayed at the Environmental Photographer of the Year exhibition in London.

The competition is open until 31 July.

To enter the competition go to http://ciwem.org/arts/photographer/