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Renewables supply 30 per cent of global electricity for the first time
Boiling tap water can remove 80 per cent of the microplastics in it
AI comes up with battery design that uses 70 per cent less lithium
Every three per cent increase in calories from plant protein was found to reduce risk of death by 10 per cent
Schools cut covid-19 sick days by 20 per cent using HEPA air filters