Gold prices have surged in recent years, sparking a mining rush in the Amazon that accelerates deforestation and mercury ...

SAO PAULO (AP) — The medals were billed as the most sustainable ever produced. To match the festive spirit of South America’s first Olympics, officials from Brazil, the host country for the 2016 games ...

Add Yahoo as a preferred source to see more of our stories on Google. Aerial view clearly showing the deforested areas used for illegal gold mining in the region where the Kayapo live. Philipp ...

Robert Muggah is co-founder of the Brazil-based Igarapé Institute and SecDev Group. He is a fellow at Princeton University, Singularity University, Bosch Academy, the Chicago Council for Global ...

Gold miners, operating illegally, have worked in this chasm since 11 a.m. yesterday. Standing waist-deep in muddy water, they chew coca leaves to stave off exhaustion and hunger. In the pit a ...