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PRESS RELEASE Forests the size of France have regrown in the last 20 years, new research shows
New study demonstrates the capacity of forests to regenerate themselves if we let them
Nearly 59 million hectares of forests – an area larger than France – has regrown since 2000, according to new analysis published today by Trillion Trees - a joint venture between WWF, BirdLife International and WCS. This area of forest has the potential to store the equivalent of 5.9 gigatonnes of CO2 – more than the annual emissions of the US.
The study points to the Atlantic Forest in Brazil as one of the success stories for regeneration, where an estimated 4.2 million hectares – an area roughly the size of the Netherlands – has regrown since 2000, through a combination of planned projects to restore the forest, more responsible industry practices and other factors including rising migration towards cities. Yet much more needs to be done to protect and recover this important biome.
In the boreal forests of Mongolia’s northern wilderness, the study suggests that 1.2 million hectares of forest have regenerated in the last 20 years, in part thanks to the work of Trillion Trees partner WWF, and increased emphasis from the Mongolian government regarding protected areas. Other regeneration hotspots include central Africa and the boreal forests of Canada.
The study is designed to help inform forest restoration plans worldwide, giving a picture of the areas where focusing restoration efforts could be most beneficial. It is part of a two-year research project that involved examining more than 30 years’ worth of satellite imaging data and surveying experts with on the ground knowledge of more than a hundred sites in 29 different countries.
It follows WWF’s map of Deforestation Fronts, published earlier this year, which showed the alarming extent to which the world is losing its precious forests.
William Baldwin-Cantello, Director of Nature-based Solutions at WWF-UK, said:
“The science is clear: if we are to avoid dangerous climate change and turn around the loss of nature, we must both halt deforestation and restore natural forests.
“We’ve known for a long time that natural forest regeneration is often cheaper, richer in carbon and better for biodiversity than actively planted forests, and this research tells us where and why regeneration is happening, and how we can recreate those conditions elsewhere.
“But we can’t take this regeneration for granted – deforestation still claims millions of hectares every year, vastly more than is regenerated. To realise the potential of forests as a climate solution, we need support for regeneration in climate delivery plans and must tackle the drivers of deforestation.”
There is more momentum than ever behind forest restoration, including a wave of government pledges. But close examination of these pledges shows that the delivery plans involve very limited expansion of natural forests, despite the strong climate and biodiversity benefits they offer. With this new understanding of the potential for natural regeneration at scale, there is cause for re-balancing delivery plans to include more natural forest.
John Lotspeich, Executive Director of Trillion Trees, welcomed the findings:
“This map will be a valuable tool for conservationists, policymakers and funders to better understand the multiple ways we can work to increase forest cover, for the good of the planet. The data show the enormous potential of natural habitats to recover when given the chance to do so. But it isn’t an excuse for any of us to wait around for it to happen. Through our partners at BirdLife International, WCS and WWF, Trillion Trees has worked hard to identify and protect the areas where there is potential for natural regeneration of these precious assets, and to learn from our successes to promote natural regeneration elsewhere, on an even larger scale.”
The authors of the study warn that encouraging signs of regeneration cannot be taken for granted. Forests across Brazil face significant threats today, even the Atlantic Forests – a recognised success story in restoration. Such is the extent of historic deforestation that the area of this unique forest still needs to more than double from currently 12% of its original extent to 30%, in order to reach what scientists believe is a minimal threshold for its lasting conservation.
Naikoa Aguilar-Amuchastegui, Senior Director of Forest Carbon Science at WWF-US, who led the data analysis team said:
“Even though this is an exploratory effort, it still highlights the potential that enabling and consolidating regeneration has for mitigating climate change and securing its biodiversity benefits. However, this remains difficult to map and a lot of additional work lies ahead.”
Primed with more detailed intelligence about regeneration opportunities, Trillion Trees plans to invite local partners and green funders to help facilitate new landscape restoration ventures, focusing on areas offering the maximum benefit for vulnerable ecosystems and local communities.
-Ends-
For more information, additional content or to arrange an interview, please contact:
Christian Mpassi, Communication Officer WWF-DRC: cmpassi@wwfdrc.org
Melissa Annetts | Media and Comms Officer at Trillion Trees:
T : +44 (0)7831 209444 | E: media@trilliontrees.org
NOTES TO EDITORS
The global regeneration map, which has been developed through a rigorous scientific approach, is based on preliminary findings, currently awaiting official peer-review and publication. The researchers acknowledge the limitations of working from remote sensing data and are seeking further input to validate or adjust the map and deepen their understanding of the conditions that led to regeneration. Trillion Trees is inviting individuals with on the ground knowledge to contribute online via forestregeneration@trilliontrees.org.
The map and further information on methodology used and stories about how we can learn from the landscapes can be found here. Globally, we are still losing forests at a terrifying rate, much faster than we are able to restore them. Studies have shown that between 2001 and 2019 - a similar time-period to this study - 386 million hectares of tree cover were lost worldwide. That’s over seven times the area of naturally regenerated forest identified in the research.
- Images for media use can be found here.
The projection for carbon sequestration (CO2 equivalent) is based on spontaneous natural regeneration, rather than assisted or active restoration.
What is regeneration?
Forest regeneration sounds simple: let nature take the lead. Some areas need nothing more than to be left alone to begin regenerating, while others need active encouragement to grow back, depending on the condition of the soil and the local land-use. Broadly speaking, there are three categories:
1. Active restoration is necessary if land is very degraded or obstructed from recovering on its own. This often involves planting areas of native trees and shrubs, including agroforestry approaches.
2. Assisted natural regeneration is the process of encouraging former forest to re-assert itself, for example by removing invasive vegetation or fencing the land to reduce grazing pressure.
3. Spontaneous natural regeneration is often considered the best-case scenario for reforestation: a hands-off approach, in which an area of land is able to reforest itself of its own accord. Natural regeneration can take place without human input, and even without human knowledge.
The Trillion Trees map of regeneration hotspots displays all three of the above types of regrowth, and deliberately excludes commercial plantations. As a result, the study represents the first thorough effort to track natural forest expansion.
Trillion Trees is a joint venture between BirdLife International, WCS and WWF to urgently speed up and scale up the positive power of forests, helping the world protect and restore one trillion trees by 2050. To learn more about how we're improving forest protection, advancing restoration and ending deforestation visit trilliontrees.org and follow us on Twitter @1TrillionTrees.
For media enquiries please contact media@trilliontrees.org
About WWF
WWF is an independent conservation organization, with over 30 million supporters and a global network active in over 100 countries. WWF's mission is to stop the degradation of the Earth's natural environment and to build a future in which humans live in harmony with nature, by conserving the world's biological diversity, ensuring that the use of renewable natural resources is sustainable, and promoting the reduction of pollution and wasteful consumption. Visit www.panda.org/news for the latest news and media resources and follow us on Twitter @WWF_media.
