“Claims that this important resource is in danger of serious depletion are not at all valid,” he wrote. On Twitter, environmental scientist and executive director of the nonprofit Project Drawdown, Jonathan Foley, estimated that the Amazon produces around 6% or less of the planet’s oxygen. 23 Aug 2019. Scripps Institution of Oceanography. that the Amazon produces around 6% or less of the planet’s oxygen. Politicians then joined in, repeating the factoid to draw attention to the blazes.

Despite its near ubiquity online following the announcement of the Amazon fires, scientists say the 20% figure is overblown. 344-348, (2015). 21 Aug 2019.

NASA also has confirmed the surge, declaring 2019 the worst year for wildfires in the region since 2010. Read: The Amazon cannot be recovered once it’s gone. Senior Scientist, National Center for Atmospheric Research.

In other words, we have been gifted such an absurd surplus of oxygen by deep geological time, and by strange ancient life we’ll never know, that it won’t soon run out by our own hand, whether by deforestation or industry.

This collapse would threaten millions of species, from every branch of the tree of life, each of them—its idiosyncratic splendor, its subjective animal perception of the world—irretrievable once it’s gone. As Malhi writes in a. that addresses this question, rounding that higher-end figure up might be where the 20% factoid came from. collected by the Scripps Institution of Oceanography, each year, 19 out of every million molecules of oxygen, or 0.002%, are lost, primarily from burning fossil fuels.

As phytoplankton, or microscopic algae, die, Denning explained, most will be consumed, or rot. “Virtually no change,” he said. Bonan said that both numbers are essentially the same and are “within the ballpark of uncertainty” for the calculation. 27 Aug 2019. Fires in Amazon Rain Forest Have Surged This Year. “What would happen if we combusted every living cell on Earth?” it asked.

On their own, then, trees—and even entire forests and seas of plankton—are not enough to fill the atmosphere with a surplus of oxygen. Escobar, Herton. Only around one-millionth of all photosynthetic matter ends up buried in this way, Denning said, so in any given year, there’s only a tiny bit of oxygen being created. “An equilibrium model of the terrestrial carbon budget.” Tellus B: Chemical and Physical Meteorology.

Vol.

But surprisingly, this is not where most of our oxygen comes from. de Oliveira Andrade, Rodrigo.

World leaders need to marshal all their political and diplomatic might to save it. Contrary to almost every popular account, Earth maintains an unusual surfeit of free oxygen—an incredibly reactive gas that does not want to be in the atmosphere—largely due not to living, breathing trees, but to the existence, underground, of fossil fuels.

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