Environmental concerns differ
depending on where you stand, who you are, and what you see as the main threats.
In the developed world, we probably consider that the three main environmental
impacts are climate change, ozone depletion, and acid rain - all up in the air.
However, there are all sorts of environmental global impacts such as toxic waste
disposal and destruction of the rainforests.
The United Nations (UN) drew up an agreed list of the main global environmental
impacts. The UN is the only democratically elected voice for the world. In the
early 1970s the UN recognised it had the vital role in protecting the environment.
The United Nations Environment Programme (UNEP) has classified the global environmental
impacts into seven key areas.