Measurements of light-absorbing carbon particles made during an Arctic research expedition could improve understanding of their effects on the Arctic climate.
carbon emissions
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.
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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.
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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.
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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.
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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.
Posted inResearch Spotlights
Surface Climate Processes Keep Earth's Energy Balance in Check
Models show that an abrupt increase in carbon dioxide emissions would trigger feedback processes that would change Earth's hydrological cycle.
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Leading Companies Take White House Climate Pledge
Alcoa, Cargill, General Motors, Microsoft, and nine other major U.S. companies have committed to cut greenhouse gases as part of a new White House program.
Posted inResearch Spotlights
Simulating a Warmer, Drier Arctic
Field experiments examine the effect of rising temperatures and drying soils on carbon dynamics in the Arctic.