New mapping technology is helping activists and companies pinpoint exactly where tropical deforestation is happening, down to the individual tree. It’s a potentially powerful new tool for identifying who’s responsible for illegal cutting and getting companies to clean up their supply chains.New mapping technology is helping activists and companies pinpoint exactly where tropical deforestation is happening, down to the individual tree. It’s a potentially powerful new tool for identifying who’s responsible for illegal cutting and getting companies to clean up their supply chains.