How many trees are there?

01There are roughly 3 trillion trees on Earth—more than seven times the number previously estimated—according to a tally by an international team of scientists. The study also finds that human activity is detrimental to tree abundance worldwide. Around 15 billion trees are cut down each year, the researchers estimate; since the onset of agriculture about 12,000 years ago, the number of trees worldwide has dropped by 46%.

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Ancient Trees Portraits of Time

1 heart-of-the-dragonThis dragon blood tree can live up to five hundred years (Beth Moon/Abbeville Press)

2 wakehurst-yews1Yews of Wakehurst taken in Ardingly, West Sussex, England in 1999: Its tentacle-like roots ride over the cliff’s edge to find soil to sink into and its drooping branches filter out daylight, according to Moon, giving the woods an eerie ambience.(Beth Moon/Abbeville Press)

3 rilkes-bayon1Rilke’s Bayon taken in Ta Prohm, Siem Reap Province, Cambodia in 2007: Of … Read more

Forest gardening

– Ken McCarthy
PlantWisdom.org

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BBC: The Magical Forest

– Ken McCarthy
PlantWisdom.org

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How trees communicate

– Ken McCarthy
PlantWisdom.org

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Where do trees get their mass from?

– Ken McCarthy
PlantWisdom.org

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How trees move and distribute water

– Ken McCarthy
PlantWisdom.org

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