• 3 Environmental policy
• 3 History
• 2 Environmental sciences
• 2 Sustainability
• 2 Urban ecology (Sociology)
• 2 Urban pollution
• 1 Chinese
• 1 Citizen participation
• 1 Community welfare councils
• 1 Dams
• 1 Economic development
• 1 Economics
• 1 Environmental aspects
• 1 Environmental conditions
• 1 Environmental degradation
• 1 Environmental protection
• 1 Environmentalism
• 1 Environmentalists
• 1 Epidemics
• 1 Farmers
• 1 Green movement
• 1 Health education
• 1 Health promotion
• 1 Health risk assessment

• 2 Canal Futura (Television station : Rio de Janeiro, Brazil)
• 2 DCGA Filmes
• 2 Giovanini, Dener
• 2 Levy, Joana
• 1 Bourbonnais, Jean
• 1 Canadian Broadcasting Corporation
• 1 Carson, Betsy
• 1 Eriksson, Sven
• 1 Face to Face Media
• 1 Global Environmental Justice Documentaries Project
• 1 Hewlett, David, 1968-
• 1 Marcuse, Gary
• 1 Shapiro, Judith, 1953-

• 2 English
• 2 Portuguese
• 1 Chinese

• 2 Brazil
• 1 China
• 1 Yunnan Sheng
• 1 Yunnan Sheng (China)

Limit year range