[Southern California Permaculture] New study: Global tree planting could cut atmospheric carbon by 25%

John Calvert jcalvert at crystal3.com
Thu Jul 4 13:07:07 PDT 2019

Tree planting 'has mind-blowing potential' to tackle climate crisis

*Research shows a trillion trees could be planted to capture huge amount of carbon dioxide*

by Damian Carrington, Environment editor, Guardian UK

Thu 4 Jul 2019

Planting billions of trees across the world is by far the biggest and cheapest way to tackle the climate crisis, according to scientists, who have made the first calculation of how many more trees could be planted without encroaching on crop land or urban areas.

As trees grow, they absorb and store the carbon dioxide emissions that are driving global heating. New research estimates that a worldwide planting programme could remove two-thirds of all the emissions that have been pumped into the atmosphere by human activities, a figure the scientists describe as “mind-blowing”.

The analysis found there are 1.7bn hectares of treeless land on which 1.2tn native tree saplings would naturally grow. That area is about 11% of all land and equivalent to the size of the US and China combined. Tropical areas could have 100% tree cover, while others would be more sparsely covered, meaning that on average about half the area would be under tree canopy.

Read more... <https://www.theguardian.com/environment/2019/jul/04/planting-billions-trees-best-tackle-climate-crisis-scientists-canopy-emissions>


*The global tree restoration potential*
/Jean-Francois Bastin, Yelena Finegold, Claude Garcia,  Danilo Mollicone, Marcelo Rezende, Devin Routh, Constantin M. Zohner, Thomas W. Crowther/
Science  05 Jul 2019: Vol. 365, Issue 6448, pp. 76-79

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