What Tree Gives Off the Most Oxygen?

As of June 2014, it is unknown which particular species of tree produces the most oxygen. A variety of factors contribute to the amount of oxygen a tree can produce, such as the age, health and surrounding area of a tree.

It is known that mature, leafy trees, such as redwoods, aspens and oaks, are the best producers of oxygen. Additionally, it is known that a tree produces higher volumes when growing than when mature, because converting air and soil into wood causes the tree to produce more oxygen. A single, mature tree produces more than 6,000 pounds of oxygen per year.

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