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当前检索式 ((ALL：Environmental Challenge))
限定条件 ((语种：英语) AND (学科/领域：资源环境))
共78条，第1-20条
World Business Counc 117 World Resources Inst 113 Scripps Institution 102
EurekAlert 79 Institute for Europe 73 United Nations Envir 67
Imperial College Lon 50 World Wide Fund for 49 us environmental pro 49
Natural Environment 48 Department for Envir 47 US Environmental Pro 39
Global Environment F 37 UN Sustainable Devel 29 UK Environment Agenc 28
Environmental Monito 27 gov.uk - environment 25 Environmental Protec 24
Department for Busin 22 International Union 22