Reuters: Rich nations’ greenhouse gas emissions dipped for the first time in five years in 2006, easing 0.1 percent despite robust economic growth, a Reuters survey of the latest available information showed Friday. The figures were less gloomy than a report this week, based on scientist estimates to 2007, which said world emissions were surging, led by rocketing growth in poor countries such as China and India twinned with a tiny rise by industrialized nations. The Reuters survey, of …