Excerpt from article:

Wal-Mart, the largest US retailer, has had to postpone the publication of an online report on its environmental and social sustainability efforts seen by its critics as a test of its commitment to greater corporate transparency on non-financial issues.

When Wal-Mart ann­ounced a push to improve its sustainability record in October 2005, it said it would issue its first report on its progress by spring 2007.

Social activist shareholders have been pressing the company to follow other US corporations such as General Electric and Coca-Cola in producing a report that allows its efforts on issues such as global warming and supply chain conditions to be assessed...