L'accordo di Parigi sul clima, concluso lo scorso dicembre, è entrato in vigore oggi, venerdì, in una giornata definita storica dalle Nazioni Unite, anche se non mancano le nuvole all'orizzonte.
Il programma dell'ONU per l'ambiente ha infatti pubblicato uno studio secondo il quale, anche se fosse pienamente applicata, l'intesa potrebbe non riuscire a contenere l'aumento della temperatura media sulla Terra al di sotto dei 2 gradi rispetto al livello registrato nell’epoca preindustriale.
La sua applicazione sarà al centro di nuovi negoziati settimana prossima in Marocco, dove i rappresentati di quasi 200 paesi discuteranno mezzi e regole per mettere in pratica un testo che resta vago su diversi punti.
AFP/ATS/sf
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