The global nitrogen-phosphorus imbalance

The imbalance has grave consequences for natural ecosystems and global food security Exponential increases in the human population and its activities are accelerating global changes, from the climate to land use to loss of species. The rise in atmospheric concentrations of greenhouse gasses, mainly...

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Bibliographic Details
Published inScience (American Association for the Advancement of Science) Vol. 375; no. 6578; pp. 266 - 267
Main Authors Peñuelas, Josep, Sardans, Jordi
Format Journal Article
LanguageEnglish
Published United States The American Association for the Advancement of Science 21.01.2022
Subjects
Anthropogenic factors
Carbon dioxide
Climate change
Drought
Extreme weather
Fossil fuels
Global warming
Greenhouse effect
Greenhouse gases
Human influences
Human populations
Land pollution
Land use
Methane
Nitrogen
Nitrous oxide
Phosphorus
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Summary:The imbalance has grave consequences for natural ecosystems and global food security Exponential increases in the human population and its activities are accelerating global changes, from the climate to land use to loss of species. The rise in atmospheric concentrations of greenhouse gasses, mainly CO 2 from the combustion of fossil fuels, is the most well-known driver of global change ( 1 ). Emission of greenhouse gases, which also include methane (CH 4 ) and nitrous oxide (N 2 O), are stoking global warming as well as more frequent and extreme weather events, such as droughts and floods. Land use and pollution also have major impacts on Earth’s future ( 1 ). Among these ongoing anthropogenic changes, the biospheric nutrient imbalance between nitrogen (N) and phosphorus (P) is less known and deserves more attention.
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ISSN:0036-8075
1095-9203
1095-9203
DOI:10.1126/science.abl4827