Sewage Leaves a Lasting Isotopic Stamp on Tropical City Rivers
Stable isotope analysis of riverbed sediments in Dar es Salaam shows that sewage contributes roughly 40 percent of organic matter ...
Tag: nitrogen cycle
Fertilizers, Pesticides and Plastic Resides: How Farm Chemicals Quietly Steer Greenhouse Gas Emissions
A new review in Plant and Soil unifies how fertilizers, pesticides, heavy metals, microplastics and emerging contaminants regulate greenhouse gas ...
Coal Ash Legacy Rewires Floodplain Soil Microbes and Their Nitrogen Genes
Long-term coal ash contamination restructures floodplain soil microbial communities and shifts the balance of nitrogen-cycling genes toward ammonia oxidation and ...
Sewage Overtakes Fertilizer as the Hidden Engine of Nitrate Pollution in a Karst River Basin
Dual nitrate isotopes and a Bayesian SIAR model reveal that manure and sewage, not fertilizer, supply over half the nitrate ...
Chemists Harness Hydrogen Bonds to Break Down Persistent Nitrate Pollution
University of Michigan chemists have developed an iron-based catalyst guided by secondary-sphere hydrogen bonds that reduces stubborn nitrate to nitric ...
Irrigation Water Delivers a Hidden Flood of Nitrogen to World Croplands
A new global analysis reveals that nitrate-rich irrigation water delivers a substantial and previously overlooked share of nitrogen to the ...
Global Nitrogen Cycle Out of Balance as Reactive Nitrogen Accumulates on Land
A sweeping new review finds that reactive nitrogen entering the biosphere has grown fivefold since the 1960s while atmospheric removal ...
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Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study
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University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept
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Bee body mass, pathogens and local climate influence heat tolerance
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Researchers record first-ever images and data of a shark experiencing a boat strike
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Groundbreaking Clinical Trial Reveals Lubiprostone Enhances Kidney Function
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