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ICOS – Plateau Rosa laboratory
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ICOS – Carbon Portal
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ICOS – Integrated Carbon Observation System
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http://www.globalcarbonatlas.org/en/CO2-emissions
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http://cdiac.ornl.gov/trends/emis/glo_2013.html
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http://data.worldbank.org/indicator/EN.ATM.GHGT.KT.CE?view=chart
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http://www.resmagazine.it/2017/04/13/clima-ed-energia-obiettivi-e-scenario-il-parere-di-rse/