The links below are the groups companies and also other sites about environment

• CLARUS Agro-Business – Reforestation and Biodiesel

• CLARUS Image Comunicação – Strategies and Developments in Marketing and Communication

• Green CLARUS – Support in green technologies

• AcquaMax – Water treatment in thermal systems, the cooling towers and boilers

• CONAMA – Conselho Nacional de Meio Ambiente (National Council of Environment)

• GREENPEACE – International Homepage

• ABRINQ – Fundação Abrinq (Abrinq Foundation)

• MTE – Ministério do Trabalho e Emprego (Ministry of Labor and Employment)

• ABNT – Associação Brasileira de Normas Técnicas (Brazilian Association of Technical Standards)

• MMA – Ministério do Meio Ambiente (Ministry of Environment)

• USDA – United States Department of Agriculture

• IUPAC – International Union of Pure and Applied Chemistry

• ATSD – Agency for Toxic Substances and Disease Registry

• OSHA – Occupational Safety and Health Administration

• SAGE – Solvent Alternative Guide