A common skeptic argument is that there is no empirical evidence for man-made global warming. People who make this claim can't have looked very hard. As most don't have the time to scour through the peer-reviewed scientific literature, the multiple lines of independent evidence for global warming are given here. To make the science even more accessible in this time of multimedia and short attention spans, there is now a YouTube video outlining the empirical evidence for man-made global warming.
The video is by greenman3610, producer of the Climate Crock of the Week series. Also be sure to check out the (more info) link in the right margin where links to all the peer-reviewed papers are provided. This is a powerfully visual way of communicating the science of climate change - I strongly recommend you all view the video, pass it onto your friends (and if you're feeling really energetic, follow the paper links to learn more about the science).
Posted by John Cook on Sunday, 28 February, 2010
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