'The United Nations initially ran a project known as the Billion Tree Campaign, but in light of Dr Crowther’s findings this has been renamed the Trillion Tree Campaign. It has already seen 17 billion trees planted in suitable locations around the world.''Replenishing the world’s forests on a grand scale would suck enough carbon dioxide from the atmosphere to cancel out a decade of human emissions, according to an ambitious new study.
Scientists have established there is room for an additional 1.2 trillion trees to grow in parks, woods and abandoned land across the planet.
If such a goal were accomplished, ecologist Dr Thomas Crowther said it would outstrip every other method for tackling climate change – from building wind turbines to vegetarian diets.
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New research undertaken by Dr Crowther has used the 1.2 billion figure to estimate the potential scale of carbon capture that could be achieved by planting trees, and reveal their true potential.
“There’s 400 gigatons now, in the 3 trillion trees, and if you were to scale that up by another trillion trees that’s in the order of hundreds of gigatons captured from the atmosphere – at least 10 years of anthropogenic emissions completely wiped out,” he said.
While the exact figures are yet to be released, he said trees had emerged as “our most powerful weapon in the fight against climate change”. Dr Crowther discussed his findings at the American Association for the Advancement of Science (AAAS) meeting in Washington DC.
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..tree planting is increasingly being recognised as a critical activity to preserve life on Earth.
The United Nations initially ran a project known as the Billion Tree Campaign, but in light of Dr Crowther’s findings this has been renamed the Trillion Tree Campaign. It has already seen 17 billion trees planted in suitable locations around the world.
“We are not targeting urban or agricultural area, just degraded or abandoned lands, and it has the potential to tackle the two greatest challenges of our time – climate change and biodiversity loss,” said Dr Crowther.
“It’s a beautiful thing because everyone can get involved. Trees literally just make people happier in urban environments, they improve air quality, water quality, food quality, ecosystem service, it’s such an easy, tangible thing.” '
- Josh Gabbatiss,
Massive restoration of world’s forests would cancel out a decade of CO2 emissions, analysis suggests, February 18, 2019
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