From Dot Earth post: Can Clearer Language Clear Up Climate Disputes? http://nyti.ms/njseJ3 Confusion and division over "global warming" often grows out of the meaninglessness of the phrase on its own. Each aspect of greenhouse-driven climate change, from the basic physics onward, has a different "shape." More CO2 = warming? Clearcut. How much warming? Extent of sea-level rise by 2100? Durably uncertain. Hurricane patterns? Less clear than 5 years ago. Here's an imprecise gallery of the "shapes" of knowledge on some of the outcomes that are most important to society in deciding how to act, or not act, on this issue. More: http://j.mp/dotBasic