Gli insetti minacciano la sicurezza alimentare. Lo riferisce uno studio realizzato da un gruppo di ricercatori inglesi, secondo i quali la loro crescita porrebbe in serio pericolo i raccolti.
A causa del trasporto delle merci e dell'innalzamento delle temperature, anche i batteri, i funghi e i virus si avvicinano sempre più ai poli. L'avanzamento su base annuale è di tre chilometri.
Ciò, combinato all’aumento della popolazione mondiale e alla perdita delle culture, aggraverebbe la situazione, sostengono gli studiosi che, sull'arco di mezzo secolo, hanno analizzato la crescita di 612 parassiti.
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