Walmart makes Californian solar promise

US retail giant Walmart has pledged to generate renewable power through solar panels at 60 of its Californian branches, totaling more than 130 shops by the end of 2013. Walmart has 8,500 stores in 15 countries, but in the state of California the 130-figure will represent 75% of their stores. Kim Saylors-Laster, Walmart Vice President […]