The Treehugger job boards list all sorts of green jobs. PETA marketers, staff accountants, green writing gigs, green tech, fashion interns and more.
Grist job boards – Various green jobs, but not as many as other places.
Green Dream Jobs - Usually a fair amount of jobs.
Green job expos and conferences - this site is excellent and updated frequently.
Green Gigs- Not tons of jobs, but they post good ones. There are also cool green job tips posted among with interviews with folks working in eco-jobs.
Environmental jobs – lots of upper level green jobs (management, advanced IT, etc.).
If you’re looking for a job related to green building, urban planning, or eco-architecture, the Green Construction Guide is a good place to check out.