Reading Time: 3 minutes In September 1997, Doña Juana, a major landfill in Bogotá, Colombia, became synonymous with the human and financial cost of badly-managed landfills: it collapsed, sending tonnes of trash downhill into the Tunjuelo River, exposing toxic materials and releasing noxious fumes that spread across the capital city. Those living in the area and the hundreds of … Continue reading A third of urban waste ends up in open dumpsites or environment in Latin America and the Caribbean