2 Diciembre 2019
- Nivel A: What nationality are you?
- Nivel B1: What Are Cargo Robots?
- Nivel B2: Europe wastes 30% of food, it is an ethical scandal
- Nivel C1: Activism: Fighting CAFOS in the USA
- Nivel C2: ‘Bleak’ U.N. Report on a Planet in Peril Looms Over New Climate Talks
