 The megadiverse countries are a group of countries that harbor the majority of the Earth's species and are therefore considered extremely biodiverse and therefore are of utmost priority on the global environmental agenda.Conservation International identified 17 megadiverse countries in 1998, most are located in or have territories in the tropics.In 2002, Mexico formed a separate organization named Like-Minded Megadiverse Countries, consisting of countries rich in biological diversity and associated traditional knowledge.