This time Richard Bangs is exploring the ecological nexus of North and South America, in the small but potent package of a country, Costa Rica. The people of Costa Rica are on a tear to preserve the extravagant biodiversity of their national field of dreams—and it seems to be working. What is the secret of their success? Richard is off to find out, as he traverses a land oft cited as a green beacon to the world, as well as a place two recent international studies proclaimed "the happiest country on earth!"