Story Report says carbon management becoming a "strategic business priority" - says Siemens, Deutsche Post, BASF, Bayer, Samsung top 5 firms for carbon disclosure Story timeline U.S. companies lag global ones on carbon disclosure Date: 20 Sep 2010 Content Type: Article Climate change climbs boardroom agenda among leading global firms Date: 20 Sep 2010 Content Type: Article [PDF] Carbon Disclosure Project 2010 Global 500 Report Date: 31 Aug 2010 Content Type: Article