Andean farmers use age-old technique amid climate change

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. "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. "The Waru Waru cannot flood during the rainy season because they have an intelligent drainage system that reaches the river. In 2023, when Puno suffered one of the largest periods of drought in almost six decades, Waru Waru helped farmers cope with lack of water and avoid food shortages.