Inspired by recent archaeological research, the people in the Cuzco region of Peru are rebuilding terraces and irrigation systems and reclaiming traditional crops and methods of planting. Cynthia ...

Add Yahoo as a preferred source to see more of our stories on Google. Many tropical glaciers in the Andes are expected to disappear in the next few decades. Their meltwater sustains millions of people ...

NOVA: What was your first impression of Machu Picchu? Ken Wright: When I arrived in 1994, my first visit ever, I was blown away by the view of Machu Picchu itself and also by the surrounding territory ...

MARCACOCHA, Peru (Reuters) - A period of global warming contributed to the rise of the Inca empire, allowing it to increase food production by planting at higher altitudes on farmland irrigated with ...

The seeds of the Inca Empire were planted about 2,700 years ago when a warm spell combined with piles of llama excrement allowed maize agriculture to take root high up in the South American Andes, ...