The River Thames is home to great crested grebes, red kites, osprey and freshwater mussels.

BBC: Thames Water's ?3m Abingdon sewage works complete

These include mute swans, little grebes, redshanks, sedge warblers and whitethroats.

BBC: Siddick Ponds nature reserve damaged by fire

This would moisten a bit of the exposed lake bed and provide an emergency stopover for the enormous flocks of geese, avocets, grebes and teal that visit the Salton Sea.

ECONOMIST: In a ��green�� state, an environmental disaster looms