Environment
- 201
- Pesticide Action Network UK
- Provides information on health effects of pesticides, news, campaigns and projects.
- 202
- Pesticide Watch
- Information about pesticides and the problems associated with pesticide use. Provide California communities with the tools they need to protect themselves and the environment from the hazards of pesticides.
- 203
- GLOBE at Night
- An international citizen scientist project to measure the degree of light pollution all around the world using the human eye. Contains star charts corresponding to different light pollution levels, and allows visitors to download a map of past observations in their area.
- 204
- International Dark-Sky Association (IDA)
- A non-profit member organization that teaches others how to preserve the night sky through factsheets, law references, pictures, and web resources.
- 205
- 9th European Symposium for the Protection of the Night Sky
- Videos and abstracts of the scientific presentations from the symposium that took place in Armagh, Ireland in 2009.
- 206
- Atlas of World Light Pollution
- A comprehensive atlas of satellite images and artificially created maps of different light pollution measurements covering the globe.
- 207
- Conference on the Ecological Consequences of Artificial Night Lighting
- Comprehensive information about a conference on ecological effects which took place in February 2002 including abstracts and references on the topic.
- 208
- Dark Skies Northwest
- News, video, slide-shows and images. Includes outdoor lighting codes, mailing list subscriptions, member information and links to further regional information.
- 209
- Dark Sky Meter
- A citizen science app for iPhone that allows users to measure the brightness of the night sky using the phone's camera.
- 210
- IYA Lightmeter wiki
- Information about the International Year of Astronomy light meter in a wiki format.
- 211
- Illinois Coalition for Responsible Outdoor Lighting
- Illinois organization serving to promote responsible outdoor lighting. Includes a very large collection of light pollution links.
- 212
- Light Pollution Literature
- Up to date bibliography of research on light pollution and animal responses to light. Includes links to many journal articles.
- 213
- Light Pollution and the Palomar Observatory
- Discussion of light pollution from an astronomy perspective, with many links.
- 214
- North Carolina IDA (NCIDA)
- Includes images, information and local legislation relevant to North Carolina.
- 215
- Pennsylvania Outdoor Lighting Council (POLC)
- Comprehensive information on the latest lighting situation in Pennsylvania with pictures, links, and guidance on how anyone can help. Home of Pennsylvanians for an Outdoor Lighting Control Act (POLCA).
- 216
- Royal Astronomical Society of Canada (RASC) Light Pollution Abatement Program (LPAP)
- Describes the program, and contains information about Canadian dark sky parks in both urban and pristine areas.
- 217
- Santa Clara Valley Lighting & Lick Observatory
- Offers lighting suggestions for Santa Clara Valley to preserve the observing capabilities of Lick. Includes a primer on light pollution and astronomy.
- 218
- Sky Quality Protection Technical Office of the Canaries
- Includes pictures and animations, and information on full-cut-off lighting, technical specifications, energy efficiency, and other forms of astronomical pollution, as well as the applicable laws in the Canary islands.