Here's the Rio 2012 Issues Brief on finance. Investment banks and asset management firms can use this to ensure the financial instruments they manage have sustainable impacts. They can also identify gaps to cover in targeting investment to meet development needs in emerging markets.
Here's the UN framework for sustainable consumption and production. This is a broad framework, as broad as the global economy. The UNEP report on "Making Investment Grade: The Future of Corporate Reporting" gives corporate officers practical advice on how to fulfill the intent of the Global Reporting Initiative. The ISO is getting into the act with sustainability guidelines that comport with the UN's Rio+20 convention.
There's enough material in those links to keep C-suite task forces busy for months. Crafting balanced scorecard standards is no picnic but it's worth it if the private sector wishes to identify future drivers of value.