As companies begin selling credits for marine carbon dioxide removal in largely unregulated marketplaces, scientists must develop standards for assessing the effectiveness of removal methods.
Biogeochemistry
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Harpy Eagles Concentrate Precious Nutrients in the Amazon
Amazon soils are usually low in the nutrients that plants covet, but harpy eagles can create local hot spots with their poop and prey.
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(Probablemente) No podremos decir si Marte tiene vida
Los equipos de última generación no siempre pueden identificar la vida que habita en los lugares más parecidos a Marte en la Tierra, lo que hace que los científicos se pregunten cómo se se podría hacer mejor en el Planeta Rojo.
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Hypoxia Affects One in Eight Rivers Worldwide
A global study found dangerously low levels of dissolved oxygen in rivers around the world. The true prevalence of hypoxia is probably even higher.
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We (Probably) Can’t Tell Whether Mars Has Life
State-of-the-art equipment can’t always identify life inhabiting the most Mars-like spot on Earth, leaving scientists wondering how to do better on the Red Planet.
Posted inResearch Spotlights
喷气推进的被囊动物在海洋碳循环中的作用
新研究表明，广泛分布的胶质浮游动物的大量繁殖，连同它们的粪便、每日的垂直迁移和它们的尸体一起，增加了海洋的碳输出。
Posted inResearch Spotlights
Jet-Propelled Tunicates Pump Carbon Through the Oceans
New research reveals that blooms of the widespread gelatinous zooplankton—along with their feces, daily vertical migrations, and carcasses—increase marine carbon export.
Posted inEditors' Highlights
Roadside Plants Witness COVID Traffic
Radiocarbon in roadside plants revealed a decline in auto emissions during COVID lockdown and a 2021 rebound. Could this improve emission estimates in countries without CO2 monitoring infrastructure?
Posted inEditors' Highlights
Substantial Advance Towards a Global Coastal Carbon Model
First simulations of a new biogeochemistry-circulation coastal grid refinement demonstrate seamless inclusion of small-scale coastal processes in a state-of-the-art Earth system model.
Posted inResearch Spotlights
Short-Term Events Can Shrink the Habitable Zone in Oceans
A new study looks at habitat reduction during low-oxygen events, spurring the question, Could short-term events provide a window into the long-term health of oceans?