I got altitude psychosis a few hundred meters from high camp as I scaled the frigid face of Huayna Potosí, one of the highest mountains in the Bolivian Andes. My optimism, my determination ...

Andes glacier melt threatens Amazon’s rivers & intensifies ... left the “drought” classification as its levels surpassed the 13-foot mark in late November. In both Madeira and Negro ...

they are trying to scale eight mountains above 6000m in the Andes. For themselves, but also and in particular as a mark of emancipation. These women are members of the Aymara, the indigenous ...