Su Nature, Carole Dalin et al. calcolano la quantità di acqua usata per l’irrigazione in agricoltura che finisce all’estero. Dall’abstract: approximately eleven per cent of non-renewable groundwater use for irrigation is embedded in international food trade, of which two-thirds are exported by Pakistan, the USA and India alone. … A vast majority of the world’s population lives… Continua a leggere Commercio globale