Water-rock reactions in some hydrothermal systems produce both hydrogen, which could be tapped for clean energy, and alkaline solutions that could help draw down atmospheric carbon dioxide.
carbon dioxide
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Affordable Robots Measure Soil Respiration
Measuring soil carbon flux, also known as soil respiration, can be expensive or time-consuming. A set of affordable robots that gather these data autonomously could especially benefit the Global South.
Posted inEditors' Highlights
Nutrients at Depth Can Be Uplifted by the Kuroshio Large Meander
Aperiodic, southward deflection of the Kuroshio, a.k.a. the Kuroshio large meander, uplifts the nutrients in deep layers to induce offshore phytoplankton bloom.
Posted inEditors' Highlights
Urban Greening Could Help Achieve Carbon Neutrality Goals
A new modeling framework highlights that urban greening is a sustainable solution to achieve environmental co-benefits in mitigating heat and carbon emissions.
Posted inEditors' Vox
Ocean Deserts Could Help Capture CO2 and Mitigate Global Warming
Various nutrient sources in the upper waters of oceanic subtropical gyres, which are the Earth’s largest oligotrophic ecosystems, play a crucial role in governing the sequestration of atmospheric CO2.
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Weathering of Rocks Can Release Carbon Dioxide
New research upends the notion that the weathering of rocks mainly removes CO2 from the atmosphere. Rocks can also be carbon sources, releasing as much CO2 as Earth’s volcanoes.
Posted inResearch Spotlights
Measuring Carbon’s Flow from Land to Sea
A new study catalogs how dissolved inorganic carbon moves through southeast Alaska’s waterways.
Posted inEditors' Highlights
A Crystal Ball for the Carbon Cycle, But a Cloudy One
Carbon cycle models quantify relationships between emission scenarios and resulting atmospheric concentrations, but are the projections credible? New analyses find grounds for both hope and concern.
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Future Supercontinent Will Be Inhospitable for Mammals
Pangea returns in 250 million years, and it’s not looking good for us.
Posted inResearch Spotlights
Carbon Dioxide’s Effect on Mountain Climate Systems
Greenhouse gases are rising in the atmosphere. But how will precipitation patterns change as climate systems rise over mountain chains?