Mongabay: With 18,000 islands spanning two major bigeographic realms (and a curious outlier in Sulawesi) across an area of nearly 2 million square kilometers, Indonesia is one of the world’s most biodiverse countries. It has the world’s third largest extent of tropical forests, has the planet’s richest coral reefs, and is home to more than 12 percent of plant and animal species. Indonesia is culturally rich as well. Its hundreds of cultures speak more than 500 languages. But Indonesia’s …