Revive Chestnuts, Fight Climate Change?

Image courtesy of Wikimedia Commons

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American chestnut trees had always thrived in forests, towns, and farmland in the eastern US—until the early part of the last century, when a chestnut blight, thought to have come from the far east, all but obliterated the species.

But the tree still looms large in the American imagination, and for good reason: It’s beautiful, towering and leafy. It also grows quickly, and its durable wood makes good floors, tables, and fences. For years, groups like American Chestnut Cooperators’ Foundation have been working to revive the American chestnut. Now, it looks like a research team at Purdue University might have done it by creating a hybrid:

New efforts to hybridize remaining American chestnuts with blight-resistant Chinese chestnuts have resulted in a species that is about 94 percent American chestnut with the protection found in the Chinese species. Jacobs said those new trees could be ready to plant in the next decade, either in existing forests or former agricultural fields that are being returned to forested land.

Beyond the obvious ecological and aesthetic benefits of the new chestnut, researchers point out that the tree could also help mitigate the effects of global warming by removing carbon from the atmosphere. All trees do that of course, but the American chestnut would be particularly good at it, since it grows big quickly, explained a researcher:

“Each tree has about the same percentage of its biomass made up of carbon, but the fact that the American chestnut grows faster and larger means it stores more carbon in a shorter amount of time,” Jacobs said.

No word yet on how the hybrid’s chestnuts taste roasted, you know, over an open fire…

 

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DEMOCRACY DOES NOT EXIST...

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In this election year unlike any other—against a backdrop of a pandemic, an economic crisis, racial reckoning, and so much daily crazy—Mother Jones' journalism is driven by one simple question: Will America will move closer to, or further from, justice and equity in the years to come?

If you're able to, please join us in this mission with a donation today. Our reporting right now is focused on voting rights and election security, corruption, disinformation, racial and gender equity, and the climate crisis. We can’t do it without the support of readers like you, and we need to give it everything we've got between now and November. Thank you.

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