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Nitrous Oxide

1 news articles per week.
58 connected topics.


News and Opinion

Coverage of nitrous oxide since August 15, 2021.

Nuclear fusion startup test fires plastic waste-powered rocket

"...A UK company with lofty aspirations around sustainable space travel has test-fired a rocket engine powered in part by plastic waste. Pulsar Fusion's hybrid rocket engine is part of an ambitious journey that also involves the development of nuclear fusion technology for high-speed propulsion, which could cut travel times to Mars in half. The idea of incorporating recycled plastic waste into hybrid rocket fuels is something we have seen explored before..."

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Reaction Engines assembles partners for its ammonia aviation project

"...As we explained when Reaction first brought the idea to light a few months ago, here's the rough idea: the heat exchanger would capture heat from a jet engine's exhaust and use it to power a cracking reactor. The reactor would catalytically convert pure ammonia into an ammonia-hydrogen blend that'll work as an easily combustible fuel that's more or less a drop-in replacement for jet fuel. So an airline operator can now choose between weight and volume, with the added benefit that this system wouldn't require an entirely new electric powertrain..."

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Trudeau invokes Lytton, the town that was, as climate change talks begin in Scotland

"...COP26 is grappling with setting the rules for implementing the goals of the 2015 Paris agreement — the main one being to reduce greenhouse gas emissions enough to hold global warming to as close to 1. 5 C as possible by the end of the century..."

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UN: Greenhouse gas levels hit a new record, cuts fall short

"..."The Greenhouse Gas Bulletin contains a stark, scientific message for climate change negotiators at COP26," World Meteorological Organization Secretary-General Petteri Taalas said of his agency's annual report on heat-trapping gases in the atmosphere. "At the current rate of increase in greenhouse gas concentrations, we will see a temperature increase by the end of this century far in excess of the Paris agreement targets of 1. 5 to 2 degrees Celsius above pre-industrial levels..."

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Water will be a critical piece of Canada’s net-zero puzzle Corporate Knights

"...A recent analysis from Global Water Intelligence estimates that water and wastewater utilities may account for nearly 4% of global energy consumption. In Canada, studies have found that water and wastewater systems are municipal governments’ largest energy uses, accounting on average for 38% of energy consumption. By extension, these systems contribute 32% of reported municipal emissions, nearly half of that coming from sewage treatment..."

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State of the climate: Summer 2021 sets new high for average land temperature

"...The first nine months of the year saw record concentrations of major greenhouse gases – CO2, methane and nitrous oxide – in the atmosphere. Arctic sea ice extent was low for much of the year, but recovered in late summer to set a minimum level on the 12th lowest on record.  ..."

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Is food inflation here to stay? Corporate Knights

"...We also have the climate emergency to thank for food inflation. Recent reports suggest Canada is warming at twice the global rate. The wildfires in British Columbia, drought conditions in the Prairies, increased tornado activity in Ontario and Quebec, and more-active-than-normal hurricane seasons in the Atlantic have all impacted the food supply chain..."

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Food production generates more than a third of manmade greenhouse gas emissions – a new framework tells how much comes from cr

"...Land use change – clearing forests for farms and ranches, which reduces carbon storage in trees and soils – accounts for 29 percent of total food production greenhouse gas emissions. Another 38 percent comes from farmland management activities, such as plowing fields, which reduces soil carbon storage, and treating crops with nitrogen fertilizer. Farmers also burn a lot of fossil fuel to run their tractors and harvesters..."

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Green ammonia: The rocky pathway to a new clean fuel

"...Conventional ammonia production: an emissions nightmareRight now, ammonia production is a dirty and energy-intensive process. Most of the hydrogen produced today starts with hydrogen from steam-reformed methane gas. Extracting that natural gas from the ground always causes methane leakage into the atmosphere, where it's an incredibly potent greenhouse gas, and the steam reforming process not only uses a lot of energy, it also releases carbon dioxide as part of the reaction..."

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Comment: If we must have cruise ships, they should do no harm

"...Once again, tonnes of cruise ship garbage will leave Ogden Point as large trucks filled with liquid and solid garbage, food waste, even hazardous waste, transit local streets on the way to the local landfill and beyond. Victoria has become the garbage dump for Seattle-Alaska cruises..."

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Trevor Hancock: If we lose the carbon sinks, we are sunk

"...A paper published last month in Nature, titled “Amazonia as a carbon source linked to deforestation and climate change,” found that, far from being an important carbon sink, as it once was, the Amazon’s ­ability to absorb carbon is in decline. In fact, the paper found the Amazon has become a ­carbon source in its southeastern regions due to “the intensification of the dry season and an increase in deforestation. ”..."

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The Climate Crisis: UN Calls Code Red For Humanity

"...There is not one region on Earth that is safe from rising temperatures, worsening floods, severe wildfires, and blistering droughts, and the window of opportunity is closing. Devastating impacts of climate change are becoming unavoidable as events that have transpired within the past few weeks alone have demonstrated. According to a report by Down to Earth, at least 40 countries in Europe, North America, Asia, Oceania and Africa have been hit by extreme natural disasters within this season alone..."

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Podcasts

Recent episodes that mention nitrous oxide.

Paying more attention to nitrous oxide emissions

Duration: 12:51

"...Nitrous oxide is one of the three main greenhouse gases emitted by agricultural activities, and nitrogen fertilizer management is one of many ways to reduce emissions of nitrous oxide, and to keep our nitrogen where it needs to be for a crop..."

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Academic Research

Recent peer-reviewed papers about nitrous oxide relevant to the latest news.

Does meat consumption exacerbate greenhouse gas emissions? Evidence from US data

"...The impact of meat consumption on greenhouse gas emissions is examined by controlling for economic growth and energy consumption..."

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Environmental Impact of Beef Production Systems

"...Improving the animal farms performance in the several countries is a key strategy to meet the demand for animal protein, reducing greenhouse gas emissions, and improving resource use efficiency..."

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A unique bacterial and archaeal diversity make mangrove a green production system compared to rice in wetland ecology: A metagen

"...Therefore, labile carbon build-up potential (38%) with less GWP (63%) even in degraded-mangrove makes it a clean production system than wetland-rice that has high potential to climate change mitigation..."

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Magnitudes and environmental drivers of greenhouse gas emissions from natural wetlands in China based on unbiased data

"...This study highlights the incorporation of the full year-round GHG monitoring data without using opaque chambers to measure CO2 flux when extrapolating net GHG emissions and gives implications for natural wetland management and global warming mitigation strategies..."

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Nutrient Dynamics and the Role of Modeling

"...However, the misappropriate application of nutrients could cause environmental challenges like greenhouse gas emission, global warming, and climate change..."

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Leveraging Optimized and Cleaner Production through Industry 4.0

"...The results revealed that the approaches of first-in-first out (FIFO), total productive maintenance (TPM), smart production control, cyberphysical systems, 6R and smart energy monitoring are extremely beneficial in achieving optimized and cleaner production, where the lead time, non-value added time and value added time has been reduced by 25..."

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Relationships among soil factors and greenhouse gas emissions from furrow-irrigated Rice in the mid-southern, USA

"...The objective of this field study was to evaluate relationships between methane (CH4), nitrous oxide (N2O), and carbon dioxide (CO2) fluxes and emissions and global warming potential (GWP) and early season soil properties and environmental factors over two growing seasons (2018 and 2019) under furrow-irrigated rice on a silt-loam soil (Typic Albaqualf)..."

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DMPP mitigates N2O emissions from nitrogen fertilizer applied with concentrated and standard vinasse

"...The application of vinasse, an organic byproduct of ethanol production, can enhance greenhouse gas emissions from N fertilizers, especially nitrous oxide (N2O)..."

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Seasonal Patterns of Denitrification and N 2 O Production in a Southern New England Salt Marsh

"...In salt marshes, denitrification, N2O production, and N2O yield (the fraction of denitrification that produces N2O) have implications for N load reduction and greenhouse gas emissions..."

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Differentiated mechanisms of biochar- and straw-induced greenhouse gas emissions in tobacco fields

"...Addition of biochar and straw has constituted an effective way to improve soil fertility in tobacco fields..."

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