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2025-07-17T05:54:16Z

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[[Afforestation]] is the establishment of trees where there was previously no tree cover. Scenarios for new plantations covering up to 4000 million hectares (Mha) (6300 x 6300 km) suggest cumulative carbon storage of more than 900 GtC (2300 Gt{{CO2}}) until 2100. But they are not a viable alternative to aggressive emissions reduction. This is because the plantations would need to be so large they would eliminate most natural ecosystems or reduce food production. One example is the [[Trillion Tree Campaign]]. However, preserving [[biodiversity]] is also important and for example not all [[grassland]]s are suitable for conversion into forests. Grasslands can even turn from [[carbon sink]]s to [[carbon source]]s. [[File:Coppice stool.jpg|thumb|right|Helping existing roots and tree stumps regrow even in long deforested areas is argued to be more efficient than planting trees. Lack of legal ownership to trees by locals is the biggest obstacle preventing regrowth.]]

Translations:Climate change mitigation/63/en - Revision history

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