Catalogue of Research Funding Needs to Advance Methane Removal

Stop sign with CH4 instead of "Stop" superimposed over a photo of clouds in the sky.

In complement to anthropogenic methane emissions reductions, atmospheric methane removal has been proposed in order to: address methane sources difficult to prevent or avoid, deal with legacy emissions, remove increasing emissions from wetlands and water bodies induced by anthropogenic global warming, and prepare in case of a methane burst (rapidly thawing permafrost and catastrophic releases […]

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VIDEO: How Best to Reduce Methane: A New York State Example

A bridge that has collapsed. It goes out over the water and the stops.

Bob Howarth, Phd of Cornell University discusses the importance of methane emissions reduction in relation to New York State’s goal of converting to 100% renewable energy sources by 2050. Professor Howarth emphasizes why “natural gas” is not a “bridge fuel to the future” and why it is important to phase out methane as opposed to […]

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In ScienceDirect: Perspectives on removal of atmospheric methane

Sky with feathery clouds at sunset over ocean.

This article reviews proposed methods for atmospheric methane removal at a climatically significant scale. These methods include enhancement of natural hydroxyl and chlorine sinks, photocatalysis in solar updraft towers, zeolite catalyst in direct air capture devices, and methanotrophic bacteria. Though these are still at an early stage of development, a comparison is provided with some […]

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In The Royal Society Publishing: Methane removal and the proportional reductions in surface temperature and ozone

Evening sky with stars, with The Royal Society logo superimposed

Abstract Mitigating climate change requires a diverse portfolio of technologies and approaches, including negative emissions or removal of greenhouse gases. Previous literature focuses primarily on carbon dioxide removal, but methane removal may be an important complement to future efforts. Methane removal has at least two key benefits: reducing temperature more rapidly than carbon dioxide removal […]

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In The Royal Society Publishing: Atmospheric methane removal: a research agenda

A sculpture of a Methane Molecule next to a freeway in Northern Germany with The Royal Society Publishing logo superimposed.

Abstract Atmospheric methane removal (e.g. in situ methane oxidation to carbon dioxide) may be needed to offset continued methane release and limit the global warming contribution of this potent greenhouse gas. Because mitigating most anthropogenic emissions of methane is uncertain this century, and sudden methane releases from the Arctic or elsewhere cannot be excluded, technologies for methane […]

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In ScienceDirect: A nature-based negative emissions technology able to remove atmospheric methane and other greenhouse gases

Microscopic view of a phytoplankton with the ScienceDirect logo superimposed.

Abstract Fulfilling the Paris Climate Agreement requires reducing rapidly the new emissions of greenhouse gases (GHGs) to reach net zero by 2050. As some anthropogenic emissions cannot be zero, to compensate them it will be necessary to remove GHGs from the atmosphere. Among possible methods, the Iron Salt Aerosol (ISA) offers new possibilities, including removal […]

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