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Current results range from 1986 to 2023
- Environment and ecology120
- Natural disasters120
- Environmental education18
- Forests and forestry17
- Public safety13
- Children's rights12
- Environmental protection10
- Local government8
- Community development--Environmental aspects7
- Environmental policy7
- Community development5
- Disaster planning and relief5
- Government policy5
- Community organization4
- Technical assistance4
- Conservation of natural resources3
- Education--Study and teaching3
- Literature3
- Music3
- National parks and reserves3
- Social movements3
- Universities and colleges3
- Books and reading2
- Child welfare2
- Collective memory2
- Debts, External2
- Education2
- Family2
- Housing2
- Latin America--Relations--United States; United States--Relations--Latin America2
- Nature conservation2
- Performing arts2
- Political corruption2
- Rain forests2
- Research institutes2
- Schools2
- Social policy--Citizen participation2
- AIDS (Disease)1
- Advertising1
- Agriculture1
- Agriculture--Handbooks, manuals, etc.1
- Archaeology1
- Building1
- Business1
- Child nutrition1
- Child sexual abuse1
- Children1
- Children--Crimes against1
- Children--Health and hygiene1
- City planning1
- Climate change1
- Discrimination1
- Economic assistance1
- Energy1
- Environment1
- Festivals1
- Fiscal policy1
- Foreign relations1
- Government accountability1
- HIV infections1
- Health education1
- Health--Environmental aspects1
- History1
- Human rights1
- Industries1
- Information technology1
- Infrastructure (Economics)1
- International agencies1
- International cooperation1
- International relations1
- Labor1
- Mineral industries--Environmental aspects1
- Mines and mineral resources1
- Motion pictures1
- Nationalism1
- Natural resources1
- Organic farming1
- People with disabilities1
- Political campaigns1
- Politics1
- Pollution1
- Protest movements1
- Protestant churches1
- Public health--Citizenship participation1
- Religion1
- Religious art1
- Rites and ceremonies1
- Rural conditions1
- Social conditions1
- Socialism1
- Students--Political activity1
- Sustainable development1
- Universities and students1
- Urban policy--Environmental aspects1
- Urban transportation1
- Violence1
- Waste disposal1
- Water resources1
- Water use1
- Wildlife conservation1
- Women's health1
- Politics and government43
- Natural disasters43
- Public safety13
- Local government8
- Children's rights5
- Disaster planning and relief5
- Government policy5
- Community organization4
- Community development3
- Social movements3
- Collective memory2
- Conservation of natural resources2
- Debts, External2
- Environmental education2
- Forests and forestry2
- Latin America--Relations--United States; United States--Relations--Latin America2
- Music2
- Political corruption2
- Agriculture--Handbooks, manuals, etc.1
- Books and reading1
- Building1
- Child nutrition1
- Children--Crimes against1
- City planning1
- Climate change1
- Community development--Environmental aspects1
- Environmental protection1
- Family1
- Festivals1
- Fiscal policy1
- Foreign relations1
- Government accountability1
- History1
- Human rights1
- Infrastructure (Economics)1
- International agencies1
- International cooperation1
- International relations1
- Literature1
- Mineral industries--Environmental aspects1
- Mines and mineral resources1
- Motion pictures1
- Nationalism1
- Nature conservation1
- Performing arts1
- Political campaigns1
- Politics1
- Protest movements1
- Social policy--Citizen participation1
- Socialism1
- Students--Political activity1
- Technical assistance1
- Urban policy--Environmental aspects1
- Urban transportation1
- Women's health1
- Women's rights1
- Working class1
- Children and youth16
- Natural disasters16
- Children's rights12
- Public safety5
- Child welfare2
- Community development--Environmental aspects2
- Education2
- Books and reading1
- Child nutrition1
- Child sexual abuse1
- Children1
- Children--Crimes against1
- Children--Health and hygiene1
- Discrimination1
- Education--Study and teaching1
- Family1
- Government policy1
- Literature1
- People with disabilities1
- Schools1
- Women's health1
- Women--Health and hygiene1
- Youth1
- Socioeconomic conditions and development13
- Natural disasters13
- Community development5
- Technical assistance4
- Housing2
- Research institutes2
- Social policy--Citizen participation2
- Building1
- City planning1
- Community development--Environmental aspects1
- Community organization1
- Disaster planning and relief1
- Economic assistance1
- Education--Study and teaching1
- Family1
- Foreign relations1
- Industries1
- Information technology1
- Infrastructure (Economics)1
- Local government1
- Political campaigns1
- Social conditions1
- Social movements1
- Universities and colleges1
- Violence1
- Education10
- Arts and culture9
- Natural disasters9
- Literature3
- Music3
- Books and reading2
- Community organization2
- Education--Study and teaching2
- Performing arts2
- Research institutes2
- Children's rights1
- Festivals1
- Government accountability1
- Motion pictures1
- Nationalism1
- Political corruption1
- Religion1
- Religious art1
- Social conditions1
- Universities and colleges1
- Violence1
- Youth1
- Economics6
- Natural disasters6
- Debts, External2
- Government policy2
- Latin America--Relations--United States; United States--Relations--Latin America2
- Advertising1
- Business1
- Community development1
- Fiscal policy1
- History1
- Industries1
- Mineral industries--Environmental aspects1
- Mines and mineral resources1
- Social movements1
- Women's rights1
- Working class1
- Agrarian and rural issues4
- Health4
- Gender and sexuality3
- Human and civil rights3
- Labor3
- Urban issues3
- History2
- Religion2
- Science and Technology2
- Minorities, ethnic and racial groups1