Tangled expanses of Amazon rainforest, high mountains of the Himalayas, and cloud-shrouded forests are just some of the unique landscapes contained within the world's most nature-rich nations. And protecting these ecosystems, experts say, could help save the planet.
Governments are trying to work out a new global agreement to guide conservation and wildlife protection through 2030 at a U.N. summit in Montreal this week. Of the nearly 200 countries assembled, five are considered to be among the world's most biodiverse nations — measured in the number of unique species.
