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greenhouse gases

Posted inEditors' Vox

Methane, Climate Change, and Our Uncertain Future

by J. Dean 11 May 201829 September 2021

Methane is generally considered secondary to carbon dioxide in its importance to climate change, but what role might methane play in the future if global temperatures continue to rise?

Researchers spot a new technique to seek out sources of nitrous oxide
Posted inResearch Spotlights

New Technique Could Help Scientists Track Nitrous Oxide Sources

by Sarah Stanley 12 July 201725 July 2022

A long-term study in Switzerland reveals the promise of a new method to determine isotopic composition of the potent greenhouse gas.

Sparse vegetation grows in special areas of the frosty soils in Komi Republic, in northwestern Russia.
Posted inResearch Spotlights

High Arctic Emissions of a Strong Greenhouse Gas

by Sarah Stanley 6 April 201711 August 2022

Isotope data bring scientists one step closer to revealing the microbial processes behind nitrous oxide emission in the tundra.

Mileage goals set in 2012 would require automobiles in the U.S. to average 54.5 mpg by 2025.
Posted inNews

EPA Reassesses Feasibility of Plan to Increase Fuel Efficiency

by E. Jacobsen 16 March 20177 January 2022

This January, the Environmental Protection Agency (EPA) finalized mileage standards set in 2012. Now, at the push of the auto industry, EPA and other agencies are going back for another look.

Posted inEditors' Vox

Good Night Sunshine: Geoengineering Solutions to Climate Change?

by B. van der Pluijm and G. Brasseur 3 February 20176 July 2022

In order to limit global warming to Paris Agreement goal levels, climate engineering should be considered as a viable solution.

Thermokarst hills
Posted inNews

Map Reveals Hot Spots for Arctic Greenhouse Gas Emissions

by JoAnna Wendel 17 October 20165 October 2022

By bringing together data on permafrost stability, soils, and other Arctic conditions, scientists have plotted where permafrost is vulnerable to collapse, which could release long-stored carbon.

model-crop-loss-caused-by-greenhouse-gas-emissions-methane
Posted inResearch Spotlights

Which Greenhouse Gas Does the Most Damage to Crops?

by A. Branscombe 15 August 201620 October 2021

Models showed that approximately 93% of crop losses over the rest of the century could be caused by non–carbon dioxide emissions, the most damaging of these being methane.

volcanic-eruption-water-vapor-role-in-climate-change
Posted inResearch Spotlights

Does Water Vapor from Volcanic Eruptions Cause Climate Warming?

by A. Branscombe 11 August 201629 March 2022

By studying past volcanic eruptions, scientists find that the amount of water vapor reaching the stratosphere during moderately explosive eruptions may not be contributing to the greenhouse effect.

A scientist takes a smoke sample from a smoldering peat fire in Kalimantan, Indonesia.
Posted inNews

The 2015 Indonesian Fires: Less Carbon Release Than Was Thought

by R. Heisman 9 June 201627 March 2023

Preliminary results from field measurements of smoldering Kalimantan peatlands suggest that the fires emitted 8% less carbon dioxide and 55% less methane than were previously estimated from lab tests.

Posted inResearch Spotlights

After a Century, Restored Wetlands May Still Be a Carbon Source

by Terri Cook 15 March 201623 January 2023

Methane emissions can drastically lower, or even reverse, the benefits of carbon sequestration in restored wetlands, according to new measurements from the Sacramento–San Joaquin Delta.

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