L'aumento delle emissioni di gas a effetto serra, essenzialmente anidride carbonica, generate dall'uso di combustibili fossili sarà del 2% nel 2017, dopo tre anni di crescita praticamente nulla. Lo dice lo studio pubblicato lunedì a margine della 23ma conferenza sul clima, che quest'anno le Nazioni Unite hanno organizzato a Bonn.
Si rischia così di non riuscire a mantenere per tempo il riscaldamento del pianeta ben al di sotto dei 2 gradi, rendendo pleonastici gli obbiettivi dell'accordo di Parigi, com'è stato fatto notare con delusione.
La progressione è da imputare principalmente alla Cina, che, con un incremento del 3,5%, ha invertito la rotta virtuosa intrapresa nel 2014. In India l'innalzamento è stato del 6% nell'ultimo decennio, ma un rallentamento sarebbe in atto.
AFP/ANSA/dg
Per saperne di più: i dati del Global Carbon Budget 2017
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