Cheaper metals for solar panels more sustainable

US scientists claim solar panels made with more common metals could be cheaper and more sustainable. At a meeting held by the American Chemical Society, the world’s largest scientific society, researchers said less expensive and “earth-abundant” materials like copper and zinc could be used to build solar panels instead of “rare earth” metals like indium […]

‘Bigger is better’ for wind turbines

The bigger the turbines, the better it is for the environment, according to a new report by Swiss researchers. The study, which includes the analysis of 12 land turbines measuring up to 300ft, found larger turbines are more environmentally friendly and produce greener electricity. The researchers claim this is because manufacturers now have the knowledge, […]