Less than a third of governments seeking a global climate agreement have submitted plans for reducing emissions, raising concerns over developing countries’ commitment to a deal just months before talks are meant to culminate in Paris. As part of the latest international effort to stave off warming, nearly 200 countries agreed to present their own plans for curbing greenhouse-gas emissions to the United Nations body overseeing the talks. The national plans are meant to be folded into a broader accord aimed at putting the world on track to cap global average temperatures at no more than 2 degrees Celsius above preindustrial levels—a goal that U.N. officials now concede is unlikely in this year’s agreement. While the European Union, China, the U.S. and other big carbon emitters have submitted their reduction targets, many major economies haven’t—including Brazil, Indonesia, Saudi Arabia and India, the fourth-biggest source of carbon dioxide emissions. The […]