The Cook pine has a secret. You'll find the tall, slender trees on five different continents, as far south as New Zealand and Australia, and as far north as California. If you look closely, no matter where you see them, they're all leaning toward the equator. All of them. Leaning.
Lean On, Tree
How Many Trees Are There?
Key Facts In This Video
80% of terrestrial species live in trees, and 1.6 billion people rely on forests for their livelihood. 01:23
A 2015 study estimated that there are 3 trillion trees on Earth, which is around 420 trees for every human. 02:19
Fewer trees could lead to less rain. 03:18
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