viernes, 10 de octubre de 2008

Local river polluted with oil?

This presentation is the result of two months work. The children researched about oil, its sub-products and the process of distilation.
We went to visit a natural oil spring that is aparently affecting the Ñirihuau River in Patagonia. Talking to the local people we found out that it's not the oil to blame, but the use of anti-freeze products used at the local airport. Find more.