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Articles on Nitrogen cycle
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There’s more to sustainability than net zero. Using green ammonia for fuel and as a way to transport hydrogen could add to nitrogen pollution that already exceeds safe planetary boundaries.
The inside of story of a pioneering programme to convert nitrogen into microalgae that can generate sustainable animal feed.
As environmental engineers, invasive caterpillars can have remarkable effects on water quality and soil conditions. But from a climate perspective they’re pretty much a nuisance.
Scientists have long thought most nitrogen in Earth’s ecosystems comes from the air, but new research shows it also is released as rocks weather. This could boost plant growth and help sequester carbon – but not fast enough to avert climate change, as some pundits have claimed.
Multiple reports have convincingly demonstrated that agroecology is the most promising pathway to sustainable food systems on all continents. But governments aren’t doing enough to support it.
Pollution has increased carbon in our soils - which is good for climate change. But this carbon may not stay there for long.
Somehow we need to grow more food to feed an expanding population while minimising the problems associated with nitrogen fertiliser use.
About 10% of human-generated greenhouse gas emissions come from farming. Researchers are working on ways to address this piece of the global warming puzzle.
Top contributors
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Soil Scientist, Australian Centre for International Agricultural Research
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Emeritus Professor of Agroecology and Food Politics, Centre for Agroecology, Water and Resilience, Coventry University
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Research Associate in Microbiology, University of Guelph
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Research fellow, The University of Melbourne
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Professor, The University of Melbourne
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PhD candidate, The University of Melbourne
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Chair Professor in Sustainability, Lancaster University
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Associate Professor, Centre for Agroecology, Water and Resilience, Coventry University
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Professor of Global Change Ecology, University of Cambridge
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Professor in Applied Aquatic Bioscience, Swansea University
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Professor of Global Environmental Studies, Chancellor's Fellow and Director, John Muir Institute of the Environment, University of California, Davis
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Canada Research Chair in Stressed Aquatic Systems, Laurentian University
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Senior Researcher, Australian Centre for Water and Environmental Biotechnology, The University of Queensland
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PhD Candidate, Australian Centre for Water and Environmental Biotechnology, The University of Queensland
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PhD Student, Ecosystem and Global Change, University of Cambridge
