- Biobeds - British homepage within the Voluntary Initiative
- Biobeds -Information about biobeds
- Environmental Objectives Portal
- EFSA - registration of pesticides
- EU Pesticides Database
- The Federation of Swedish Farmers (LRF)
- FOOTPRINT - EU-project: creating tools for pesticide risk assessment and management in Europe
- Footprint PPDB - A pesticide properties database
- Focus on Nutrients - The largest single undertaking in Sweden to reduce losses of nutrients to air and water from livestock and crop production.
- International Union of Pure and Applied Chemistry (IUPAC)
- Pesticide monitoring in Norway
- US EPA - US EPA information about pesticides
- The Swedish Water and Wastewater Association (SWWA) - set up by the municipalities in 1962 to assist with technical, economic and administrative issues and to represent the interests of the municipalities in negotiations with authorities and other organisations on regulations etc.
- The Voluntary Initiative (England) - information om säker användning av växtskyddsmedel
- TOPPS - EU & ECPA projects to reduce specified discharge of chemical pesticides
- Warning system for pesitices in ground water - Denmark