Air and Waste Management Association
Searchable by keyword and location
http://careers.awma.org/jobs/?keywords=recycling&sort
ECO Jobs
State specific with great job description. Everything from internships to full-time positions.
http://www.ecojobs.com/statejobs.htm
Environmental Job Boards
includes separate internships section
Environmental Leader
http://environmentalleader.simply-partner.com/a/jobs/list/
Green Job Engine
Searchable, updated daily
Green Dream Jobs
Hosted by Sustainable Business.com
searchable and can post your jobs also
http://www.sustainablebusiness.com/index.cfm/go/greendreamjobs.about
Resource Recycling
Resource Recycling provides job listings for the recycling industry, free of charge
http://www.resource-recycling.com/productsandservices/jobs
Solid Waste Association of North America