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Servirebbero le risorse di sei pianeti come la Terra per garantire a tutta la popolazione mondiale una qualità della vita paragonabile agli standard occidentali. È il risultato di uno studio pubblicato nei giorni scorsi su Nature Sustainability.
I ricercatori hanno esaminato 151 paesi, e nessuno di questi risponde alle esigenze dei cittadini in modo globalmente sostenibile. Le necessità di base (cibo, igiene, elettricità) potrebbero essere soddisfatte ovunque, senza superare i limiti ambientali, ma ciò non vale per i bisogni che vanno oltre la sussistenza.
"Tutto ciò che facciamo, dal cenare al navigare sul web, consuma risorse - spiegano gli esperti -. Servono quindi cambiamenti radicali: superare il perseguimento della crescita economica nelle nazioni ricche, passare rapidamente dai combustibili fossili alle energie rinnovabili e ridurre in maniera significativa le disuguaglianze".
ANSA/Red.MM
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