Petroleum industry and trade Environmental aspects 13 Environmental conditions 6 Environmental protection 6 Indians of South America 6 Social conditions 5 Environmental degradation 3 Gehiago ... Environmental policy 3 Oil spills 3 Politics and government 3 Social aspects 3 Cofán Indians 2 Economic conditions 2 Government relations 2 Industria petrolera 2 Rain forest conservation 2 Trials, litigation, etc 2 Achuar Indians 1 Actions and defenses 1 Aspectos ambientales 1 Aspectos sociales 1 Attitudes 1 Chevron Corporation 1 Cofan Indians 1 Cofán Indians 1 Economic policy 1 Environmental racism 1 Environmentalism 1 Finance 1 Forest conservation 1 gutxiago ...