The cotton yarns in these T-shirts are slightly ... So if Walmart wants to produce clothes domestically, it has to get into the manufacturing business.” That led America’s largest retailer ...

Of particular interest were Corynebacteria which are known to produce unpleasant smells ... University of Alberta , compared polyester clothing to cotton and merino wool and found that not ...

Natural fibers have issues, too: Growing cotton can use huge amounts of water and pesticides, the sheep that give us wool emit methane, and processing bamboo can produce a lot of pollution.