Freshwater coastal erosion alters global carbon budget

Shoreline erosion can transform freshwater wetlands from carbon-storage pools to carbon sources, according to a new study led by Illinois State Geological Survey researchers. Wave action and high water levels sweep away soils ...

New evidence for ancient ocean on Mars

Did a vast ocean once cover Mars' northern plains? The idea has been hotly debated among scientists for the past 20 years, ever since Viking Orbiter images revealed possible ancient shorelines near the pole. Later findings ...

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