The main issue that article and news clip are discussing is water pollution done by a certain gold mining operation in a Chilean mountainous region. The locals there decided that they do not want gold mining machinery polluting their water supplies. Because of this, the government did manage to stop the gold miners' operations for a period of time, while the gold mining corporation installs technology that will have a less harmful effect. Unfortunately, there are no guarantees that the technology will work and whether or not the corporation will be stopped again if pollution restarts.
This article really shows how a native population can have influence (with the help of Al-Jazeera) over massive corporations based in other continents. Even though the issue is nowhere near resolved, there is some hope nevertheless.
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