Reuters: Big companies should report their impact on the environment in addition to their earnings under a U.N. plan to boost economic growth and ease poverty by 2030, according to recommendations by a panel of world leaders released on Thursday. Slowing climate change and protecting the environment should be at the core of global development, said the 27-member panel, led by British Prime Minister David Cameron, Indonesian President Susilo Bambang Yudhoyono and Liberian President Ellen Johnson Sirleaf....