However, with recession looming such a pledge is seen by many as meaningless. (telegraph.co.uk)
Most such pledges don't go beyond 2030, and those from developing countries are mostly «conditional» — they'll proceed if wealthy countries pay the cost or otherwise help. (dotearth.blogs.nytimes.com)
Environmental scientists, however, are dubious as to whether such pledges will do much to put a dent in the most pressing environmental challenges. (treehugger.com)