Portugal generated an ‘historic’ 95 per cent of its electricity from renewables in April, according to the network operator REN. Renewable energy generation averaged just below that for the first four months of the year, covering 91 per cent of the nation’s power needs. It’s one national good news story within a great continental shift: fossil fuels provided less than a quarter of the EU’s energy for the first time ever last month. Ember, the clean think tank behind that assessment, also found that more than 30 per cent of the world’s electricity is now generated using renewables. “Solar in pa…