Farm runoff polluting drinking water and destroying aquatic wildlife habitat has been a problem for decades. Fearing a backlash from customers, some of the world's wealthiest food companies are starting to take notice.
St. Louis-based agricultural giant Monsanto has its eyes on Syngenta, the world's largest producer of chemicals used on farms. If the deal went through the new company would control a large share of the market for global farm inputs. The potential deal has kicked off a lot of activity in the sector.
The fight over food containing genetically modified ingredients is at a fever pitch. The U.S. House recently passed a bill limiting labels for GMO food, but the policy debate is not over and includes a little science, lots of money and a food system under fire.