Deforestation for palm oil production has shrunk Indonesia's rainforest, the third largest in the world and one of the most ecologically diverse places on the planet. But recently, the country has found a way to tame deforestation. WSJ's Jon Emont explains how government orders, consumer boycotts and environmental activism have helped slow the destruction of Indonesia's rainforest. Further reading: - Indonesia Shows It’s Possible to Tame Rainforest Destruction  Learn more about your ad choices. Visit megaphone.fm/adchoices