Reuters: The Japanese government plans to propose a global levy on marine fuel to fight climate change, an industry source familiar with talks under the U.N.’s shipping agency said on Friday. The proposal Japan will present to the International Maritime Organization (IMO) in April also includes a plan to pool the charges and, as an incentive, refund part of the money to ships that improve their energy efficiency, the source said. Given the global nature of shipping, the IMO is holding …