Every renewable energy in the world is chasing after "grid parity", but what does the term actually mean and when will it be achieved? Danny Bradbury investigates
Renewable energy is all very well, as long as it's not too expensive. Large project owners – the people who are going to create the economies of scale to make renewables work – still have shareholders...
Europe's biggest bank announces intention to halt financing for coal-fired power plants as part of low-carbon drive - but lists Bangladesh, Indonesia and Vietnam as exceptions
Canadian company EnviroLeach wants to make the process of "urban mining" less hazardous for humans and the environment
Launched this week, Daisy helps dissemble iPhones for reuse and recycling
No coal was used for power generation in the UK between 10.25pm on Monday and 5.10am yesterday, National Grid confirms