Scotland, Politics, SNP, Alex Salmond, First minister for Scotland and leader of the Scottish National Party

Scotland, Politics, SNP, Alex Salmond, First minister for Scotland and leader of the Scottish National Party

Scotland, Politics, SNP, Alex Salmond, First minister for Scotland and leader of the Scottish National Party

Sri Lanka, Colombo, Egrets and jackdaws in shallow polluted river.

India, Uttar Pradesh, Varanasi, Scum and remnants of flower offerings float around the steps of the ghats on the River Ganges.

Russia, Black Sea, Aerial view over polluted waters.

Congested traffic in heavily polluted city.

Young woman with three children crossing wooden bridge over water polluted with sewage in shanty town. Houses raised on stilts above water behind.Brasil slum favela Brazil

Slum dwellings raised above sewage polluted water with access by wooden bridge.Brasil slum favella Brazil

Polluted shoreline covered with rubbish with shanty housing and high-rise buildings behind.

Cambodia, Siem Reap Province, Angkor Thom, Japanese tourist at Bayon Temple, wearing face mask and holding umbrella as sun shade.