Project Nature Connect - Jobs, courses and degree programs with a nature focus.

Earth Science World - Investigate careers in geoscience, job opportunities, and degree programs.

North American Assn. for Environmental Education - 5800 links, 300 categories. Professional development, lesson plans, events, jobs, classroom activities, etc.

The Student Conservation Association- a nationwide force of student volunteers who protect and restore America’s parks, forests, and other public lands.

SustainLane: Green Jobs - Articles, jobs, discussions and blogs, an "ask the expert" column, and more.

Job-Hunt.org - Jobs, professional associations, articles, tips, terminology and glossaries.

Society for Environmental Journalists - News, journals, conferences, industry trends, and a mentor program!

Jim Cassio - Marvelous resources including a free 76 page downloadable Green Career Resoure Guide.

EarthWorks- This is primarily a jobs site, but it has a fantastic list of links.

The Ecological Society of America - Career and job information, internships, training, certification; wonderful profiles & advice from professional ecologists.

Green Jobs Journal- Job listings, articles and insight on environmental careers and the growing green economy. Download current and back issues.

OceanCareers.com- Descriptions of 50+ ocean occupations, competencies needed, training institutions and 200+ links to professional associations.

Green Design/Sustainable Architecture - Cal's comprehensive links to articles, journals, indexes, potential employers, etc.

Green Careers Guide - The information here is rather skimpy, but there are many jobs posted, and plentiful lists of green job titles.