Global S&T Development Trend Analysis Platform of Resources and Environment
Global food production poses an increasing climate threat | |
admin | |
2020-10-07 | |
发布年 | 2020 |
语种 | 英语 |
国家 | 奥地利 |
领域 | 气候变化 |
正文(英文) | The growing use of nitrogen fertilizers in the production of food worldwide is increasing concentrations of nitrous oxide in the atmosphere—a greenhouse gas 300 times more potent than carbon dioxide and which remains in the atmosphere longer than a human The study, which was undertaken by an international consortium of 57 scientists from 14 countries and 48 research institutions, with IIASA in a key role, was led by Auburn University Alabama, USA under the umbrella of the Global Carbon Project and the International Nitrogen Initiative. The researchers’ objective was to produce the most comprehensive assessment to date of all sources and sinks of the potent greenhouse gas nitrous oxide. The findings point to an alarming trend affecting climate change: Nitrous oxide has risen “The dominant driver of the increase in atmospheric nitrous oxide comes from agriculture, The global nitrous oxide budget for 2007–2016. The colored arrows represent nitrous oxide fluxes (in Tg N yr−1 for 2007–2016) as follows: yellow, emissions from anthropogenic sources (agriculture and waste water, biomass burning, fossil fuel and industry, and indirect emission); Green, emissions from natural sources; Blue, atmospheric chemical sink; Other fluxes: Lightning and atmospheric production, soil surface sink, climate change, increasing CO2, deforestation. Sources: modified from Tian et al. 2020, Nature; Global Carbon Project (GCP) and International Nitrogen Initiative (INI). The study also determined that the largest contributors to global nitrous oxide emissions “Current emissions are tracking global temperature increases above 3°C, twice the According to study coauthor Wilfried Winiwarter, a senior research scholar in the IIASA Air “Europe is the only region in the world that has successfully reduced nitrous oxide emissions “This study shows that we now have a comprehensive understanding of the nitrous oxide Study co-leader Josep “Pep” Canadell, chief scientist in the Climate Science Center at the “This new analysis calls for a full-scale rethink in the ways we use and abuse nitrogen Reference |
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来源平台 | International Institute for Applied Systems Analysis |
文献类型 | 新闻 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/297254 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | admin. Global food production poses an increasing climate threat. 2020. |
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