An advance version of the report of the 4th meeting of the Parties to the Cartagena Protocol on Biosafety (COP-MOP 4), that took place on 12-16 May 2008 in Bonn, Germany, is now available on the web. This 105-page document is subject to final clearance. See the report or contact secretariat@cbd.int for more information. Documents, press releases and webcasts from the meeting are also available at http://www.cbd.int/mop4/.