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Science X network 25 UK Environment Agenc 18 Department of Conser 16
gov.uk - environment 13 Government of Canada 10 us environmental pro 10
US Department of Ene 9 Environmental Monito 7 Asian Development Ba 5
EurekAlert 5 EurekAlert! - Earth 5 Cary Institute of Ec 4
Ministry for the Env 4 Resources for the Fu 4 US Geological Survey 4
EurekAlert! 3 Department for Envir 2 Department of Energy 2
Eco-Business Researc 2 Science Daily 2