There is much information and misinformation on this topic.  The perspectives range from the foundation of a totalitarian one world government, to blueprints for global depopulation, to plain old environmentalism.  Most either revile it as a great horror or have not heard of it.

If you have never heard of Agenda 21, then take a quick look at the links below.

Please point out any other good sources or let us know what you think in the comments below.