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.
greenhouse gases
Posted inEditors' Vox
Good Night Sunshine: Geoengineering Solutions to Climate Change?
In order to limit global warming to Paris Agreement goal levels, climate engineering should be considered as a viable solution.
Posted inNews
Map Reveals Hot Spots for Arctic Greenhouse Gas Emissions
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.
Posted inResearch Spotlights
Which Greenhouse Gas Does the Most Damage to Crops?
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.
Posted inResearch Spotlights
Does Water Vapor from Volcanic Eruptions Cause Climate Warming?
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.
Posted inNews
The 2015 Indonesian Fires: Less Carbon Release Than Was Thought
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
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.
Posted inResearch Spotlights
The Forgotten Water Vapor at High Altitudes
Scientists find that estimations of high-altitude atmospheric water, critical for the greenhouse effect, are not as accurate as previously thought.
Posted inNews
Greenhouse Gas Patterns Offer Promise, Puzzlement
Emissions growth of carbon dioxide has suddenly slowed, but atmospheric methane concentrations continue to soar after a long hiatus. Both trends have a bearing on climate pacts sought this week.
Posted inResearch Spotlights
Reservoirs Act as a Source for Greenhouse Gases
Scientists examine nitrous oxide production in aquatic environments and the conditions that drive it.