Oh dear oh dear oh dear, just take a look at Citizendium’s article on Global Warming (though I have cheated slightly; the current version, while still rubbish, is marginally better).
The question is, what to do about it? At the moment my answer is “nothing” – Cz is not going to get taken seriously with articles like this, and if no-one reads it what is the point of writing it? Its no better than Conservopedia. The way to improve it would be to replace it with wiki’s article, which would be rather pointless.