This article was originally published on GreenBiz.com, as part of our Proof Points blog series.   National governments must lead the transition to sustainable development, our experts say. Yet the latest GlobeScan/SustainAbility Survey confirms what we all know: Governments are failing to deliver, resoundingly. What's new about these latest findings is just how low the performance of national governments has fallen in the eyes of observers. Virtually none of our expert panel that was surveyed rates government performance as excellent, and just 3 percent give it a positive score of 4 out of 5. In the context of typical survey error margins, you also can read this as zero. A paltry 18 percent of experts think government ...