ÁGUA
Universidade da Água
Freshwater Website
Americam Water Works Association
World Water Council
O Portal da Água
Global Water Partnership
Water Environment Federation
The World’s Water
Office Internationale de l’Eau
Water Research Center
AR
Carbon Dioxide Information Analysis Center
Pacific Institute for Studies Development, Environment and Security: Global Change Program
Sociedade Portuguesa de Pneumologia
U.S. Environmental Protection Agency: Climate Change
PRODUTOS QUÍMICOS
United Nations Industrial Development Organization
World Health Organization: International Programme on Chemical Safety
WWF: Toxic Chemicals
RESÍDUOS
ValorSul
Lipor
Sociedade Ponto Verde