"Climate change" sounds almost neutral. "Global warming" is a much hotter phrase. Either can now easily stir up debate among CNET News.com readers.
CO2, water vapor, greenhouse effect, redistribution of wealth, conspiracy, hoax, Greenland, glaciers--all these get a going over. Some of the talkback postings get into the science behind the politics around climate change. Don't you wish you could be around in a hundred years to see who's right?
Right now, you can at least see the climate change debate by reading today's newsmaker with Stanford University scientist Terry Root.