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Article
The world's largest retailer has set a new goal for shrinking its environmental footprint and is turning to suppliers to help achieve a 20-million-tonne cut in greenhouse gas emissions from the lifecycle and supply chain of Walmart products by 2015.
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Article
What to make of the 20 most-read stories among the 2,350 (or so) articles and blog posts we ran during 2009? It's hard to make head or tails of them.