One Trillion Trees

What is Arbor Day and why is it important?

The US-based Arbor Day Foundation has helped grow 500 million trees in the past 50 years.

The US-based Arbor Day Foundation has helped grow 500 million trees in the past 50 years. Image: Unsplash/Johann Siemens

Dan Lambe
President, Arbor Day Foundation
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One Trillion Trees

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A tree planting celebration known as ‘Arbor Day’ first took place in the United States almost 300 years later
A tree planting celebration known as ‘Arbor Day’ first took place in the United States almost 300 years later Image: Our World in Data

Trees absorb CO2 from the atmosphere which combats global warming
Trees absorb CO2 from the atmosphere which combats global warming. Image: Global Forest Watch

Technology can identify which areas will benefit from trees.
Technology can identify which areas will benefit from trees. Image: Arbor Day Foundation
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