African Wildlife Foundation (AWF) -- an independent international organization dedicated to the conservation of Africa's wildlife

Air & Waste Management Association -- worldwide network of more than 15,000 members represents all disciplines and provides all viewpoints of environmental issues

Altweb - Center for Alternatives to Animal Testing (CAAT) (Check link) -- headquartered at the Johns Hopkins School of Public Health, the Center fosteres the development of scientifically acceptable in vitro and other alternatives for use in the development and safety evaluation of commercial and therapeutic products

Amazing Environmental Organization Web Directory -- calls itself "Earth's Biggest Environment Search Engine"

The American Alpine Club (AAC) -- national climbers and mountaineers organization devoted to exploration & scientific study of high mountain and polar regions of the world

American Council for an Energy-Efficient Economy (ACEEE) dedicated to advancing energy-efficient technologies and policies

American Farmland Trust works to stop the loss of productive farmland and to promote farming practices that lead to a healthy environment

American Forests -- national organization protecting community trees and national forests for over a century

American Hydrogen Association -- an alternative energy organization promoting hydrogen as a renewable non-polluting energy source

Center for Environmental Citizenship national listings for variety of nonprofits

Ecojobs -- subscription-based listing with regionally organized environmental jobs

Ecological Society of AmericaThe Ecological Society of America posts job announcements once a month and also maintains a listing of funding opportunities. These pages provide specific listings for individuals looking for internships, employment or additional funding to further their careers and research in ecology.

Ejobs-- environmental job links to U.S. and Canadian openings

Environmental Careers Organization Lists long term, paid internships to undergraduates and recent graduates (within 6 months).

Environmental Employment Pages

The Job Seeker This site will list current environmental postings at no cost to you. Most jobs require only a Bachelor's, some are for higher education levels. A subscription to a longer listing is available from the site as well.

National Parks Conservation Association (NPCA) -- The National Parks Conservation Association is America's only private nonprofit organization dedicated solely to protecting, preserving, and enhancing the National Park System.

Orion Grassroots Network) The Orion Grassroots Network Internship & Career Service provides access to organizations that allow people to work with passion and experience grassroots environmental change.

Student Conservation Association -- Offers short- to long-term positions with national parks, non-profit organizations, and private preserves for undergraduates and graduates. Some positions carry education awards upon completion to be used for further study or loan repayment.

USDA Forest Service