This picture from Ania Riz starts our series of readers’ galleries focusing on a theme pollution. " A friend smoking in a restaurant in Egypt".
Yann Sweeney: "A warnign in a trekkers lodge at Machhapuchhre Base Camp, Nepal. the lodge is within the Annapurna conservation Area".
Mikaela Sonck: "River Ganges, Varansi, India. The river is extremely polluted but remains a symbol of purity".
Rachael Noel Fox: Lost and found in Asbury park, New jersey, USA.
Wendi Robbins: "A walk on the beach!".
Adam Webster: "The Cheat river in Preston County, West Virginia is one part of the Appalachian waterway degraded by acid mine drainage known as 'yellow boy'".
Vaughan Gallois: "A steam train at Bristol before setting off on a day trip to Devon".
Tim Lloyd: "Where did the rest of the Eiffel Tower go? Is this Parisian fog or Parisian smog?"
Photo: Angela Murton. Why not send us your photos? Click the links on the right for further information.