Audubon is an organisation with the mission to conserve and restore natural ecosystems, focusing on birds, other wildlife, and their habitats for the benefit of humanity and the earth's biological diversity.

The mission of the Global Change Master Directory (GCMD) is to enable the scientific community to discover and access Earth science data and services through distributed, integrated information technology systems. The GCMD offers authoring tools to write, directly submit, and directly update metadata records.

NASA's GCMD database holds more than 20,000 descriptions of
Earth science data sets and services covering all aspects
of Earth and environmental sciences. 

Global Wildlife Center seeks to be a center of excellence in education; to create a perfect place in which threatened and endangered wildlife from around the world live and flourish in a free-ranging natural environment.

Group Against Smog and Pollution (GASP) is a non-profit citizens' group in Southwestern Pennsylvania working for a healthy, sustainable environment.

Living Oceans Society is a non-profit research and public education organization that promotes the need for a healthy ocean and healthy communities on Canada’s Pacific Coast.

The National Fish and Wildlife Foundation sustains, restores and enhances the Nation's fish, wildlife, plants, and habitats.  Through leadership conservation investments with public and private partners, NFWF is dedicated to achieving maximum conservation impact by developing and applying best practices and innovative methods for measurable outcomes.

The National Marine Protected Areas (MPA) Center’s mission is to facilitate the effective use of science, technology, training, and information in the planning, management, and evaluation of the nation’s system of marine protected areas.

The National Pollution Prevention Roundtable is a non-profit organization and is the largest membership organization in the United States devoted solely to pollution prevention. The mission of the organisation is to provide a national forum for promoting the development, implementation, and evaluation of efforts to avoid, eliminate, or reduce pollution at the source.

NRDC is the nation's most effective environmental action organization. We use law, science and the support of 1.2 million members and online activists to protect the planet's wildlife and wild places and to ensure a safe and healthy environment for all living things.

National Wildlife Federation inspires Americans to protect wildlife for our children's future.

The Coastal Services Center is part of the National Oceanic and Atmospheric Administration's (NOAA) National Ocean Service. Each year, the NOAA Coastal Services Center selects projects that support its overall mission to foster and sustain the environmental, social and economic well being of the nation's coast.

Environment  Canada, for weather and environmental information. Here you can exchange information and share knowledge for environmental decision-making.

Environmental Defense is dedicated to protecting the environmental rights of all people, including future generations. Among these rights are clean air, clean water, healthy food and flourishing ecosystems.

Ocean Watch Foundation is a non-profit volunteer organization founded in 1988 for the preservation, protection and education of the local coral reef communities in Southeast Florida.

The California Air Resources Board is a part of the California Environmental Protection Agency, an organization which reports directly to the Governor's Office in the Executive Branch of California State Government. ARB promotes and protects public health, welfare and ecological resources through the effective and efficient reduction of air pollutants while recognizing and considering the effects on the economy of the state.

The Bay Area Air Quality Management District is committed to achieving clean air to protect the public's health and the environment in the San Francisco Bay region.  The Air District aims to attain and maintain air quality standards, increase public awareness of positive air quality choices and develop and implement protocol and policies for environmental justice.

The Brodhead Watershed Association (BWA) is a non-profit environmental organization dedicated to protecting and improving water quality and the environment in the Brodhead watershed.

The California Environmental Protection Agency (Cal/EPA) is the voice for the protection of human health and the environment and to assure the coordinated deployment of State resources. Their mission is to restore, protect and enhance the environment, to ensure public health, environmental quality and economic vitality.

Carolina Wildlife Care is dedicated to the preservation of native wildlife and its natural habitat through rehabilitation, education and environmental conservation. Carolina Wildlife Care is here to promote the balance between man and nature and to encourage the conservation of wildlife habitat in urban areas.

The Canadian Environmental Law Association (CELA) is a non-profit, public interest organization. The organisation uses existing laws to protect the environment and to advocate environmental law reforms.

The Commission for Environmental Cooperation (CEC) is an international organization created by Canada, Mexico and the United States under the North American Agreement on Environmental Cooperation (NAAEC). The CEC was established to address regional environmental concerns, help prevent potential trade and environmental conflicts, and to promote the effective enforcement of environmental law.

The Center for Health, Environment and Justice works to build healthy communities, with social justice, economic well-being, and democratic governance.

C.R.O.W. is one of the nation's leading wildlife rehabilitation hospitals for tropical native and migratory wildlife. A non-profit veterinary hospital, C.R.O.W. provides medical care for more than 3,400 injured, sick and orphaned wildlife patients every year, with the goal of returning them to their natural habitat.

The David Suzuki Foundation has worked to find ways for society to live in balance with the natural world that sustains us. The foundation uses science and education to promote solutions that conserve nature and help achieve sustainability within a generation.

DSIRE, Database of State Incentives for Renewables & Efficiency, is a comprehensive source of information on state, local, utility, and federal incentives that promote renewable energy and energy efficiency.

The mission of the Environmental Protection Agency is to protect human health and the environment. Since 1970, EPA has been working for a cleaner, healthier environment for the American people.

The USGS serves the Nation by providing reliable scientific information to describe and understand the Earth; minimize loss of life and property from natural disasters; manage water, biological, energy, and mineral resources; and enhance and protect our quality of life.

Reef Relief is a non-profit membership organization dedicated to Preserve and Protect Living Coral Reef Ecosystems through local, regional and global efforts.

The mission of the Society of Environmental Journalists is to advance public understanding of environmental issues by improving the quality, accuracy, and visibility of environmental reporting.