Tropical rainforests are home to 80 percent of the world’s terrestrial biodiversity, all squeezed into a narrow strip of equatorial land. They are also home to millions of human beings that have been a part of forest ecosystem for thousands of years. Learn about rainforests, forests with a closed canopy and high humidity, found in tropical and temperate regions. Discover the different types, layers, biodiversity and threats of rainforests, and how they are important for the Earth's climate and medicine. Rainforest habitat facts and photosThere are rainforests in Africa, Asia, Australia, and Central and South America. The biggest rainforest is the Amazon rainforest. It’s about the size of the contiguous United States, which doesn’t include Alaska or Hawaii. More than half of it is in Brazil, but parts are in several other South American countries, including Ecuador and Bolivia. The next biggest rainforest is the Congo in Africa. Parts of the Congo can be found in several other countries ... Learn about the structure, diversity and importance of rainforests, the oldest living ecosystems on Earth. Explore the four layers of the rainforest, from the emergent trees to the forest floor, and the animals and plants that inhabit them.
