Old-growth rainforests are mesmerizing. No other planet in this or any other galaxy, which we know of, supports these hallowed cathedrals of splendor.
Long-lived, self-perpetuating, unique genetics, structurally diverse with dead standing and fallen trees, gaps in the canopy and habitat for a rich array of life forms – old-growth has it all. It is the best that Mother Earth can muster at inhaling and storing carbon, exhaling oxygen, circulating freshwater, making climate and providing lodging for our brethren and sistren, the animals. Hallelujah.

Image credit: Richard Whitcombe
Where there are rainforests it is wet: locally, regionally, continentally and intercontinentally. These stupendous biologically complex treed communities create vast atmospheric rivers of moisture, sustaining life on land. And they are giant air conditioners seeding clouds that reflect an extra five percent of incoming solar radiation into space.
From spirit bears to Tasmanian devils, rainforest life is absolutely dazzling. Predator/prey interactions are in a constant arms race. For instance, tropical rainforest fishing bats use sonar to locate fish and utilize a gaff-like toe to catch them, while plants have developed mind-boggling chemical defenses against fungi, bacteria, viruses, insects and animal grazers and browsers.
The scent within an old-growth rainforest is like walking into a heady aromatic medicine chest. Every breath is a medicinal tour de force that helps the human body ward off cancers.
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