There's a lot of noise and confusion about climate change and its implications for global security.
In that context, it's really great to follow events in Copenhagen from the perspectives of our own MU professors Mark Cowell and Mike Urban, blogging here .
They provide timely clear, succinct accounts of what's going on -- with great photos.
For some quick background on the issues and evidence, and for a chance to test your own knowledge, check out this site provided by the BBC.