It is also a design movement spearheaded by author Bruce Sterling and created to combat global warming.
 

New designs are encouraged by contests
 

my entry in the Viridian Neologue contest

my entry in the Viridian couture contest.

my entry in the Viridian "Dead Mike" contest.
 

Some other ideas:

my idea of a viridian book list

my idea of viridian organizations

my idea of a viridian magazine shelf