Data suggest that the United States may be responsible for half of global methane increase in the past decade.
carbon emissions
Posted inResearch Spotlights
Soil Loses Pyrogenic Carbon by an Unexpected Pathway
Fresh insight into pyrogenic carbon disappearance suggests that erosion is not responsible.
Posted inNews
Court Delay on U.S. Climate Plan Won't Stop Clean Energy Efforts
While many states wait for judicial clarity, analysts predict that the move toward clean energy and emissions reductions will continue.
Posted inResearch Spotlights
Detecting Black Carbon in the Arctic Atmosphere
Measurements of light-absorbing carbon particles made during an Arctic research expedition could improve understanding of their effects on the Arctic climate.
Posted inResearch Spotlights
Massive Carbon Dioxide Stores Beneath Mammoth Mountain
Gas in rocky pores beneath the surface of California's Mammoth Mountain could fuel dangerous carbon dioxide emissions for the next 28 to 1100 years.
Posted inNews
Scientists Discover a New Source of Atmospheric Carbon Dioxide
In an African region where continental crust is pulling apart and fracturing—the East African Rift zone—the area's many faults are slowly releasing a large amount of carbon dioxide.
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 inNews
Paris Climate Talks Could Spur Energy Sector Action
A robust climate pact from the United Nations meeting in Paris could urge nations and energy investors toward lower-emissions energy generation, the head of a global energy agency suggests.
Posted inNews
Targets of Biggest Global Carbon Emitters Flunk Fairness Test
Pledges so far by the United States, European Union, and China would require all other countries to emit 7 to 14 times less per capita than those three regions by 2030 to limit warming to 2°C.
Posted inResearch Spotlights
Aerosol Cutbacks May Bring Tropical Rains Farther North
Lower anthropogenic aerosol emissions in the 21st century may lead to warming that drives the Intertropical Convergence Zone northward.