This video is about an interview done, days
before the Earth´s international day 2009, by Madison Hartke in which she interviwed Lisa Jackson, a very important member of the United States Enviormental Protection Agency (EPA) and in this video she explained the Epa´s function and job: protect human health.
In the intevew they also talk about pollution and other things.

The main point was how the epa is protecting the world.