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Negli ultimissimi anni si stanno moltiplicando le iniziative nazionali e internazionali volte a gestire il caos climatico. La COP di Bali del 2007 ha posto le basi per un nuovo Protocollo in grado di sostituire e migliorare quello di Kyoto, a breve in scadenza. Nello stesso anno la Cina ha reso noto il suo primo piano d’azione contro i cambiamenti climatici e l’Australia, colpita da ondate di siccità, ha deciso di ratificare il Protocollo di Kyoto. Nel 2008, nuove iniziative sono state avviate da India e Brasile. La Commissione Europea ha formalizzato una proposta che prevede la riduzione di emissioni del 20% entro il 2020 (rispetto ai valori del 1990) e il G8 tenutosi in Giappone ha prodotto un accordo per una riduzione mondiale del 50% entro il 2050. Il nuovo presidente degli Stati Uniti, Barack Obama, ha addirittura posto l’obiettivo di ridurre dell’80% le emissioni statunitensi entro il 2050.

Fondamentale sarà l’esito della prossima COP che si svolgerà in Danimarca a dicembre 2009.

A cura di Alice Benessia, Maria Bucci, Simone Contu, Vincenzo Guarnieri.

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