Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
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7.6 million Christmas trees are sold each year.
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Forest growth in the US has exceeded harvest since the 1940’s. Today, we have more trees than any time in the past 100 years.
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The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
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Electric lights for trees were first used in 1895.
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There is a “Fruit Salad Tree” which can grow up to 6 different types of fruit.
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