Walmart announced on Monday an initiative to reduce the environmental impact of the food its sells and to help customers improve the nutrition in their diets. 

 

The retailer is the United States largest grocer, and food is its biggest business.  So it has enormous clout with food producers and food processing companies - influence that it can use, for example, to sway how much water it used to produce a crop, or to shorten the distance a load of strawberries is shipped. 

 

"What's become clearer and clearer is that we have a real challenge globally around feeding the world's growing population in a way that doesn't cut down every last tree and use every last drop of water," said Kathleen McLaughlin, senior vice president for global sustainability at Walmart.

 

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