The UK should back renewables and support only one more nuclear plant after Hinkley Point C before 2025, because renewable energy is the safest bet for a low-cost energy system for Britain in the long-term, the National Infrastructure Commission—an independent advisory group set up in 2015 to give recommendations to the UK government—said in its first report on Tuesday. “Britain has a ‘golden opportunity’ to switch to greener ways of providing energy to homes and businesses without increasing bills – but only…