The Climate Counts score, which ranges from 0 to 100, is based off of 22 criteria in four categories: review, reduce, policy stance and report.

FORBES: New Report Says Nike Ranks No. 1 In Combating Climate Change

Back in January, General Motors Vice Chairman Bob Lutz told Forbes a 2010 IPO was a possibility, but only after a laundry list of criteria were checked off, including turning a profit, generating solid cash flow and having a compelling story to tell investors.

FORBES: GM: To Bankruptcy And Back Again

Now the agencies are revising their rating criteria in a bid to head off tougher regulation.

ECONOMIST: Securitisation