More than 100 cities now mostly powered by renewable energy, data shows

The number of cities getting at least 70% of their total electricity supply from renewable energy has more than doubled since 2015

The number of cities reporting they are predominantly powered by clean energy has more than doubled since 2015, as momentum builds for cities around the world to switch from fossil fuels to renewable sources.

Data published on Tuesday by the not-for-profit environmental impact researcher CDP found that 101 of the more than 570 cities on its books sourced at least 70% of their electricity from renewable sources in 2017, compared to 42 in 2015.