Fast Company posted this article about the five greenest countries on earth, ranking the environmental friendliness of the world's nations. Did you know that on our green businesses directory you can search for and add green businesses around the globe, as well as events. This article originally appeared on Fast Company's website. The 5 Greenest Countries On Earth (And All Of The Rest), Ranked By Ben Schiller Want to live in a beautiful nation that protects your health? It turns out Switzerland is your best bet (the chocolate is also good). Switzerland does a good job managing the environment and protecting human health. The United States does it middlingly well. And Somalia, Haiti, and Afghanistan--as you might expect--not so great. They are some of the worst performers in a new ranking of environmental performance. Top 5 Greenest Countries: 1. Switzerland 2. Luxembourg 3. Australia 4. Singapore 5. Czech Republic The Environmental Performance Index (…