| EAC Network | | Helps establish and support environmental advisory councils. Provides resources and ideas to municipal councils. |
| Fall in PA - Foliage | | Learn about the changing of leaves in the Autumn, why it happens, and places to see the change; also includes web cams and photographs of various parts of the state. |
| Great PA Cleanup | | An alliance of government, business, and community groups schedule events throughout the state where participants pick up trash along roads, rivers, and in parks. |
| Knossus Project | | Pennsylvania-based research and development firm exploring the integration of technology, nature and humanity into everyday existence. Includes brief introduction and contacts. |
| PA CleanWays | | A nonprofit organization that battles littering and illegal trash dumping through community cleanups, education, increased enforcement, and promoting specialty recycling programs. Information on projects, and beautification resources. |
| Pennsylvania Environmental Council | | Environmental education and advocacy, statewide. Discusses current issues and describes land use and water resources improvement projects around the state. |
| Pennsylvania Forestry Association | | A broad-based citizens conservation group providing sound forest management advice and promoting wise stewardship of forest resources. Organization news and information. |
| Pennsylvania Outdoor Lighting Council (POLC) | | Information on the state's latest lighting situation with photos, links, guidance on how to help with glare, light trespass and skyglow caused by light pollution. Includes information on creating local ordinances, and contacts. |
|
| | | |
