Open Educational Resources
A curated collection of teaching materials
Viborillas: La comunidad de Tlalpan que sembró árboles y ahora cosecha agua
Description: The video showcases a reforestation project in the Viborillas community in Mexico City, where members have planted 20,000 pine trees to conserve water and prevent deforestation. It illustrates how trees collect and naturally filter water into streams,...
Bofedales en Atacama: saber ancestral para la seguridad hídrica
Description: This video explores the ancient technique of water harvesting and storage employed by the Aymara people of the Atacama Desert to ensure water security. By building canals and ditches, the communities enable water to seep into the soil, storing it for use...
¿Es posible sembrar agua?
Description: This video introduces the water sowing technique, which is used by a coffee grower in Antioquia, Colombia to conserve water sources on his farm. A mixture of sea salt, brown sugar and gravel or river stones stimulates water retention and filtration in the...