The debate around the closing of the Diablo Canyon nuclear power plant in San Luis Obispo County, Calif., signals a broader conversation around power sources that could be crucial to the nation's energy future.
After Britain's vote to leave EU, it will take time actually pull out of membership. What's already here is uncertainty over ratification of a climate treaty, other steps to reduce carbon emissions, and the fate of British environmental laws.
North Korean leader Kim Jong-un inspects the defence detachment on Jangjae Islet and the Hero Defence Detachment on Mu Islet located in the southernmost part of the waters off the southwest front, in this undated photo released by North Korea's Korean Central News Agency on Friday.
Investment is needed to help developing nations adapt to climate change and reduce their greenhouse-gas emissions. The head of the UN's climate change process says it's an 'issue of credibility' for advanced nations to step up.