There is a country sandwiched between two of the greatest civilization and the world most populated countries, India and China. It has only 0.7 million inhabitants in a 40 thousands square meter area. Its population is 8 times less but with an area 60 times bigger than Singapore. Most importantly, this country has the courage to truly change the world we are living to a better place. They make a promise no any other country dare to make, and they live a living no other developed country dare to emulate. This is Bhutan. Here is the promise from Bhutan. So what is our promise to Earth?