Open Educational Resources

A curated collection of teaching materials

¿Es posible sembrar agua?

¿Es posible sembrar agua?

by | Nov 25, 2025

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...
El chamán

El chamán

by | Nov 27, 2025

By: Melba Escobar Formato: Podcast Description: In 2011, Colombia experienced intense rainfall that caused widespread devastation. Jorge Elías González drew public attention for his controversial practice of receiving public funds to keep Bogotá’s skies clear. His...