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Entries with tag greenhouse gas .

Greenhouse gas mitigation from livestock sector revealed

The global livestock sector supports about 1.3 billion producers and retailers around the world, and is a significant global economic contributor. New analysis, published today in Nature Climate Change, estimates that livestock could account for up to half of the mitigation potential of the global agricultural, forestry and land-use sectors, which are the second largest source of...
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Adding a supplement to diet of dairy cows can reduce methane emissions by 30%

Recently published research has shown that adding a supplement to the diet of dairy cows can reduce methane emissions by 30%. The cows fed on the supplement, novel methane inhibitor 3-nitrooxypropanol (3NOP), also gained more body weight than the control group. The study used 48 Holstein cows at a University farm to test the effects of different levels of the supplement. Alexander...
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Dairy herd management strategies can result in win-win for milk production and reducing carbon footprint

Agricultural greenhouse gases (GHG) make up 8.1% of total U.S. GHG emissions. The dairy cattle farming industry is being challenged to reduce greenhouse gas emissions while maintaining or increasing profitability. In a study published in the Journal of Dairy Science®, researchers report that farms with lower carbon footprints and higher-producing cows are more profitable, a win-win situation...
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New USDA report and tools to measure and manage greenhouse gas emissions

The U.S. Department of Agriculture has released a report that, for the first time, provides uniform scientific methods for quantifying the changes in greenhouse gas (GHG) emissions and carbon storage from various land management and conservation activities. Colorado State University faculty members served as authors and external science advisors on the new report, and a CSU team is...
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New study finds that eating beef is tens times more costly to the environment than other animal-derived foods

We are told that eating beef is bad for the environment, but do we know its real cost? Are the other animal or animal-derived foods better or worse? New research at the Weizmann Institute of Science, conducted in collaboration with scientists in the US, has  compared the environmental costs of various foods  and come up with some surprisingly clear results. The findings, which are...
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New global study reveals how diet and digestion in cows, chickens and pigs drives climate change 'hoofprint'

The resources required to raise livestock and the impacts of farm animals on environments vary dramatically depending on the animal, the type of food it provides, the kind of feed it consumes and where it lives, according to a new study that offers the most detailed portrait to date of "livestock ecosystems" in different parts of the world. The study, published today in...
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UEA research reveals how farmers could mitigate nitrous oxide emissions

Farmers may be able to help reduce emissions of the greenhouse gas nitrous oxide (N2O) by incorporating copper into crop fertilisation processes – according to new research from the University of East Anglia. Global agricultural emissions of the gas have increased by 20 per cent in the last century as a result of widespread use of nitrogen-based synthetic fertilizers. But new...
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New report on tackling climate change through livestock

 A new report “ Tackling climate change through livestock ” has concluded that the livestock sector has a large potential to reduce its emissions.  The United Nations’ Food and Agriculture Organisation (FAO) report provides a comprehensive, up to date, global assessment of the livestock sector’s GHG emissions and its mitigation potential. The report can be downloaded...
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'Grassroots action' in livestock feeding to help curb global climate change

In a series of papers to be presented next week, scientists offer new evidence that a potent chemical mechanism operating in the roots of a tropical grass used for livestock feed has enormous potential to reduce greenhouse gas emissions. Referred to as " biological nitrification inhibition " or BNI, the mechanism markedly reduces the conversion of nitrogen applied to soil as fertilizer...
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Beetles can reduce emissions of greenhouse gases from cow pats

Cattle contribute to global warming by burping and farting large amounts of greenhouse gases. Some of the same gases are also emitted from cow pats on pastures. But now researchers from the University of Helsinki have found that beetles living in cow pats may reduce emissions of the key greenhouse gas - methane. Agriculture is one of the biggest sources of the anthropogenic greenhouse...
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Greenhouse gas could be altering ocean foodchains

Climate change may be weeding out the bacteria that form the base of the ocean’s food chain, selecting certain strains for survival, according to a new study. In climate change, as in everything, there are winners and losers. As atmospheric carbon dioxide levels and temperature rise globally, scientists increasingly want to know which organisms will thrive and which will perish in the...
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Reducing the environmental impacts of fertiliser use

Scientists have demonstrated how improvements in nitrogen fertiliser manufacture and their application could help reduce China's agricultural greenhouse gas emissions by around 60%, by 2030, compared to the current business as usual approach. This emissions reduction represents a 2 to 6% reduction in China's overall greenhouse gas emissions and therefore could be significant in the...
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