Drinking-water quality: WHO Guidelines
Drinking-water quality is an issue utmost concern for human health. This does not simply restricted to developing countries, but in developed countries as well. WHO produces international norms on water quality and human health in the form of guidelines that are used as the basis for regulation and standard setting, in developing and developed countries world-wide.

Environment Treaties
Environment Treaties/Declarations
Kyoto Protocol on Climate Change
Earth Summit at Rio
Montriel Protocol
Vienna Convention for the Protection of the Ozone Layer