BENTONVILLE, Ark. -- In its first environmentally oriented supercenter, Wal-Mart Stores here is testing energy-efficient lighting and climate control systems that will soon be rolled out to other stores.
Energy-saving measures at the 204,700-square-foot supercenter are expected to save Wal-Mart more than $100,000 annually, according to company officials. A special center within the store is designed to educate children about environmental issues.
"This will be a laboratory for