Coca-Cola said in January that by 2030, it will collect and recycle one bottle or can for each one it sells. Dunkin' Donuts said it will try to stop using foam cups by 2020. Several others, including McDonald's and Procter & Gamble, have made their own ambitious commitments to use sustainable packaging. Recycling can give companies better control over their supply chains, explained Bridget Croke, who leads external affairs for Closed Loop Partners, which invests in recycling technologies. Recycled materials aren't always cheaper than raw materials, she said, but their prices are consistent. There are other advantages to going green. Kevin Wilhelm, who runs a sustainability consulting firm, said that companies typically make recycling pledges because they've found that waste hurts their bottom line. The Closed Loop Fund and the Recycling Partnership, [a nonprofit group], count several major corporations as their funding partners, including Amazon, Coca-Cola, PepsiCo, Starbucks, Target, Walmart (WMT) and others. Croke said that at this stage, companies are better served by joining forces than by trying to work separately. Smart companies," she said, are trying to figure out, "'What are the disruptive collective actions we can take to make the most out of our resources?'" Working together, companies can pour significant funds into development projects and create collective demand for sustainable products, like recyclable, compostable paper cups.