From the sky, they look like huge, circular patterns made by aliens—but in fact, they are an age-old technique farmers have brought back to fight the climate crisis on the Andean plateaus of Puno. On the border of Peru and Bolivia, the Waru Waru—an indigenous Quechua word that means ridge—are once again protecting potato and quinoa crops as they did in the region 2,000 years ago. "It is an agricultural system that lets us face climate change, which has changed the seasons of the year. Farmers have made six Waru Waru nearby in flood-prone fields.Furrows form a rectangular platform, where planting is done. "The Waru Waru cannot flood during the rainy season because they have an intelligent drainage system that reaches the river.

Source: Forbes February 19, 2024 09:19 UTC