In cities around the world, an estimated 15 million people scrape together a living through informal waste picking. Many of them are women, children, elderly, unemployed, or migrants, who work...

Judy Baker |

Photo: Pierre-Yves Babelon/Shutterstock In an effort to harness the benefits of urbanization and improve the living conditions of the urban poor, Latin American countries have experimented with...

Luis Triveno |