IS WALMART GOING GREEN?

Wal-Mart Stores Inc. has unveiled an environmental plan to boost energy efficiency, cut down on waste and reduce greenhouse gases tied to global warming as part of a wider effort to address issues where it has been pummeled by critics.

Wal-Mart Chief Executive Lee Scott said the world’s largest retailer wants to be a “good steward for the environment” and ultimately use only renewable energy sources and produce zero waste.

Stay tuned.

UPDATE: A reader who works at WalMart sends this link on an experimental energy-conserving WalMart.