Environment News Service: The rapid growth of the solar power industry over the past 10 years may have worsened the global warming situation it was meant to ease, as the energy used to manufacture the millions of solar panels now generating electricity around the world came from burning fossil fuels.
Stanford University researchers have calculated that imbalance is now history and the global PV industry could pay off its debt of energy as early as 2015, and no later than 2020.
REC Solar employees Brian Webster, left,...