New York has the Hudson; Paris has the Seine; London has the Thames. Rivers were important in the building of these cities: they were commercial routes and also a source of food. Aterciopelados (in English, literally “The Velvety Ones”) the well-known Colombian band, remind us of the importance of our rivers with the title song of their socially conscious album Río.

Carlos keeps teaching us more environmental terms, which he will reinforce by reciting a typical paragraph we might hear during a news segment on the environment.