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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Posted inNews
Asphalt Volcanoes Erupt in Slow Motion
Natural asphalt seeps on the ocean floor provide a stable home for diverse marine life that sequesters greenhouse gases.
Posted inNews
Florida Mayors Spotlight Climate Change as U.S. Election Issue
In the run-up to presidential primaries today in Florida, a bipartisan group of mayors there raised the issue by convincing moderators to pose questions about it in national debates and in other ways.
Posted inResearch Spotlights
Icelandic Eruption Caused Record-Breaking Sulfur Dioxide Release
Satellite and ground-based data reveal sulfur dioxide flux, trace element release, and preeruption magma movement.
Posted inResearch Spotlights
Moored Ocean Buoy Tracks Marine Carbon Cycle Variations
Years of data from a North Pacific ocean station show that the ocean's ability to pull carbon out of the atmosphere is controlled by biological and physical processes that change between seasons.
Posted inResearch Spotlights
Estimating Evaporation
A new framework provides scientists with a more precise understanding of potential evaporation from drying land surfaces.
Posted inResearch Spotlights
Permafrost Area Is Sensitive to Key Soil and Snow Physics
Accounting for key soil and snow variables shows a much higher impact on simulated permafrost area than uncertainties in land cover and climate data.
Posted inResearch Spotlights
Which Geodynamo Models Will Work Best on Next-Gen Computers?
A new study uses identical tests to evaluate the accuracy and performance of current models of Earth's magnetic field, then extrapolates the results to anticipated "petascale" supercomputers.
Posted inResearch Spotlights
Demystifying Mercury "Hollows"
Spectral data from NASA's MESSENGER spacecraft indicate that the properties of the depressions on Mercury's surface can vary within a single crater and that these differences may correlate to age.
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Scientists Find the Point of No Return for Antarctic Ice Cap
Varying amounts of glacial debris in a core of ancient sediment show the ice cover grew and shrank until airborne carbon dioxide levels fell below 600 parts per million, spurring steady growth.