Merinews: REPRESENTATIVES OF 22 countries, including major greenhouse gas emitters like China, India and the United States, as well as the European bloc met in Tokyo for two days recently to step up efforts by the world’s largest economy to help slow down the planet’s warming. The meet marked one of the first negotiating opportunities on climate change to work out a draft of a new UN treaty. The draft is likely to be approved in December at a meeting in Copenhagen. The new treaty will be …