China's state energy producers outlined initiatives to develop hydrogen and wind power after their earnings slumped along with the oil price in the first half but their renewables projects could take years to materialise.
National environmental groups waging legal battles against energy projects are delaying approval of U.S. natural gas pipelines, a top federal energy regulator said on Thursday.
The United States hopes to promote wider use of fossil fuels at a global meeting on climate change next week, a White House official said, reflecting the gaping divide between Washington and the rest of the world on the issue of global warming.
