Today, Bhutan is the world's only carbon sink-absorbing more CO2 than it gives out. Eighty percent of this country is covered by rich forest which host about 900 species of butterfly species. An astonishing array of plants grow in Bhutan: over 5,400 species, including 300 species of medicinal plants. of the 369 species of orchids growing in Bhutan, 82 are unique to the mountain kingdom. Ancient Buddhist spirituality and wise government policies have transformed this once isolated kingdom into a voice of conscience as far as environment is concerned, a moral force that the world is reckoning today. That's why Bhutan matters.