The sun’s energy is free, but the capital required to harness it must earn a fair return. Try telling that to the gung-ho bidders for India’s utility-scale solar power projects. Auction prices will fall below 4 rupees (6 U.S. cents) per kilowatt-hour this year, Bloomberg News reports. The record low 2016 bid was 4.34 rupees. A 60 percent drop …

  There is no federal law against mentally unstable adults possessing a firearm in the US Psychotic episodes, recurring delusions, illnesses such as paranoid schizophrenia or dementia: None of these disqualify Americans from buying or owning guns. Only someone who has been officially declared “mentally defective,” or who has been involuntarily committed to a mental institution, is prohibited. That helps …

  More than 75 countries and international organisations gathered in Paris to discuss the ways for a long-lasting peace between Palestinians and Israelis. It was the last significant gathering before Obama exits White House. The attendees at the international meet see the creation of the Palestinian state as the only acceptable solution to the Israeli-Palestinian conflict. The meet manifests the …