Reuters: Curbing greenhouse gas emissions from ships, possibly by including the sector for the first time in an emissions trading scheme, tops the agenda at a meeting of the industry’s top regulatory body in London this week. The week-long U.N. International Maritime Organization (IMO) meeting will decide how best to reduce CO2 gases, either by imposing a fuel tax, or using more complex market-based instruments like emissions trading. “The big issue this week is with these so-called …