David Woodfall / Children searching for recyclable objects in landfill site, Dhaka, Bangladesh, November 2008

David Woodfall / Children looking for recyclable objects in landfill site, Dhaka, Bangladesh, July 2008

Nick Gordon / Black vultures (Coragyps atratus) scavenging on rubbish tip, Brazil

Tony Heald / Inhabitants of landfill site gathering around at arrival of new skips. Guwahati, Assam, India. 2009.

Tony Heald / Woman picking through rubbish on landfill site. Guwahati, Assam, India. 2009.

Tony Heald / Three boys standing amongst rubbish, residents of landfill site. Guwahati, Assam, India. 2009.

Tony Heald / Woman sorting through rubbish on landfill site, many other people in background. Guwahati, Assam, India. 2009.

Tony Heald / People picking through rubbish from newly arrived skips, on landfill site. Guwahati, Assam, India. 2009.

Tony Heald / People picking through rubbish from newly arrived skips on landfill site. Guwahati, Assam, India. 2009.

Tony Heald / Women and children picking through rubbish on landfill site, residents of the site. Guwahati, Assam, India. 2009.

Tony Heald / People picking through rubbish on landfill site, residents of the site. Guwahati, Assam, India. 2009.

Enrique Lopez-Tapia / Feral dogs, living on garbage dump, these have become a serious threat to local wildlife. Bikaner, Rajasthan, India.