Solar panels repay their energy 'debt': study
Solar panels, which convert sunlight into electricity, are a key player in the fast-growing renewable energy sector, which also includes water- and wind-generated electricity The climate-friendly electricity generated by solar panels in the past 40 years has all but cancelled out the polluting energy used to produce them, a study said Tuesday. Indeed, by some calculations, the so-called “break-even point” between dirty energy input and clean output […]