More companies than ever are using the creative tools of business to help the planet and tackle society’s unmet needs. Here’s our fifth annual list of the best of them, selected in collaboration with our expert partners at Shared Value Initiative. Click here to read more about the list and how we chose the 52 companies. Click here to read about this year’s Sustainability All Stars. And click here to see six small companies whose technology is on the cusp of delivering world-changing breakthroughs.