Renewables overtake coal as world's biggest source of electricity

Justin RowlattClimate EditorAFP via Getty ImagesRenewable energy including nuclear power jointly overtook coal as the world's leading source of electricity in the first half of this year - a historic first, according to new data from the global energy think tank Ember.Electricity demand is growing around the world but the growth in solar and wind was so strong it met 100% of the extra electricity demand, even…