Sometimes, I find the web addictive. I should be doing something else. I want to talk about this but I'll let Metafilter do the job. Saves me typing on a Saturday (for those who don't want to click: The World Summit on Sustainable Development, aka "Earth Summit II," will start soon in Johannesburg, ten years after the Rio Earth Summit. Have things improved at all in the last ten years? [Metafilter].