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UrduAbstract Synergies between technology flows is essential to balance the consumption of their related critical materials and promote a sustainable green economy transition. Using dynamics modelling, a comprehensive analysis of silicon flows applied in green energy technologies such as photovoltaic…
Tag: Greenhouse Gas
Livestock manure is transformed into a bioresource enriched with carbon in just one day
Dr. Yoo Ji-ho and his research team from the Clean Air Research Laboratory of the Korea Institute of Energy Research (KIER) have developed a process that immediately converts livestock manure into biochar at livestock farms. Using the process developed by the research team, it is possible to convert 10 tons of livestock manure into biochar in a single day.
What drives a warming tundra to release carbon into the atmosphere?
Increased warming in tundra ecosystems is resulting the release of carbon into the atmosphere through ecosystem respiration, contributing additionally to climate change. A recent meta-analysis published Nature revealed factors that contribute to ecosystem respiration, including soil nitrogen concentration, pH and ratio of carbon to nitrogen.
Curbside collection improves organic waste composting, reduces methane emissions
Composting food and garden waste instead of sending it to landfills can significantly reduce methane emissions and help mitigate global warming. A new study from the University of Illinois Urbana-Champaign explores the effects of curbside compost collection programs in New South Wales, Australia.
Amazon rainforest at the threshold: loss of forest worsens climate change
The Amazon rainforest could approach a tipping point, which could lead to a large-scale collapse with serious implications for the global climate system.
Conversion process turns greenhouse gas into ethylene
Engineers at the University of Cincinnati created a more efficient way of converting carbon dioxide into valuable products while simultaneously addressing climate change.
Clarity needed for businesses to achieve greenhouse gas mitigation
Despite efforts to mitigate the effects of climate change, companies are not set up for success, due to conflicting national and sectorial targets and differing availability of abatement options, a new study reveals.
KERI developed an alternative technology for ‘SF6’, the main culprit of global warming
KERI’s Eco-Friendly Insulating Gas Passes International Standards in Fault Current Interruption Tests, Accelerating the Development of Eco-Friendly Power Equipment and Paving the Way to Replace SF6, the Most Potent Greenhouse Gas
Research Finds Water Quality in Gulf of Mexico Improves When Adding Social Costs to Carbon Emissions
Research led by the University of New Hampshire took a closer look at what would happen to agriculture if there was an extra cost, or so-called social cost, added to fossil fuels, which are essential for making fertilizer used in farming.
Record $80 million grant to fund pilot program encouraging the implementation of climate-smart practices on farms
With the Alliance to Advance Climate-Smart Agriculture, which is now underway, Virginia Tech’s College of Agriculture and Life Sciences will distribute more than $57 million of the largest grant in the university’s history to producers to enact climate-friendly practices and serve as a pilot program for a national model.
Spirulina that kills methane-producing microbes in the cow rumen wins $1.5M Wilkes Climate Prize
Methanogens in the cow rumen make methane gas as a by-product. Lumen scientists engineered spirulina to biomanufacture a natural enzyme that destroys only methanogens, with no impact on the cow or other bacteria.
Novel bacterial proteins from seafloor shine light on climate and astrobiology
In a groundbreaking study, a team of Georgia Tech researchers has unveiled a remarkable discovery: the identification of novel bacterial proteins that play a vital role in the formation and stability of methane clathrates, which trap gigatons of greenhouse gas beneath the seafloor. These newfound proteins not only suppress methane clathrate growth as effectively as toxic chemicals used in drilling but also prove to be eco-friendly and scalable. This innovative breakthrough not only promises to enhance environmental safety in natural gas transportation but also sheds light on the potential for similar biomolecules to support life beyond Earth.
Study: Atmospheric circulation weakens following volcanic eruptions
A new study in Nature has revealed that the Pacific Walker Circulation has changed its behavior over the industrial era in ways that weren’t expected.
Affordable and available technologies can curb rising nitrous oxide emissions
Researchers from IIASA and the University of Maryland have found that nitrous oxide, a potent greenhouse gas and stratospheric ozone-depleting substance, could be readily abated with existing technology applied to industrial sources.
Human-caused climate change to blame for increase in California’s wildfires
In the quarter century between 1996 and 2020, wildfires in California consumed five times more area than they did from 1971 to 1995. Researchers at the University of California and other international institutions have concluded that nearly all of the increase in scorched terrain can be blamed on human-caused climate change.
Chula’s Pledge to Be Net Zero – Chula Unveiled 5 Key Strategies to Become the “University with Net Zero Carbon Emissions” by 2050
Chula President pledged to move ahead with greenhouse gas reduction on the Chulalongkorn University campus targeting Net Zero Greenhouse Gas Emission by 2050 and unveiled 5 pilot strategies for minimizing carbon dioxide emissions and also achieving campus sustainability.
GW Experts: EPA Announces its Proposal Limiting Greenhouse Gas Emissions from Power Plants
WASHINGTON (May 11, 2023) – The Environmental Protection Agency is proposing today new limits on greenhouse gas emissions from coal- and gas-fired power plants. According to the Associated Press, it’s the most ambitious effort yet to roll back planet-warming pollution. GW faculty…
‘Green’ energy patents more focused on ‘clean’ conventional energy instead of renewables
A new study by world leaders in patent data has revealed some unusual trends in energy tech R&D, questioning whether companies are more committed to extracting fossil fuels or in pursuing genuinely ‘green’, renewable energy technologies.
Waste warriors: black soldier flies turn food scraps into value
They’re the creepy crawlies with a voracious appetite, so when it comes food waste, black soldier fly larvae are nature’s number one composters. Now, these wriggly grubs are helping South Australia’s food bowl stay clean and green as part of a sustainable food initiative from Mobius Farms.
Johns Hopkins APL Releases First-Ever Global Estimates for Road Transportation Greenhouse Emissions Leveraging Artificial Intelligence and Satellite Images
APL scientists have leveraged the global coverage of satellite imagery and the strengths of machine learning to create the first automated approach for estimating greenhouse gas emissions from the road transportation sector.
What will it cost to cut the carbon footprint of cars sold in the U.S?
Argonne worked with automakers and energy companies to conduct a cradle-to-grave analysis of light-duty vehicles, which estimated the current and potential future costs and greenhouse gas emissions for vehicles over the entire course of their life cycle.
Physicians call on health care organizations to reduce greenhouse gas emissions
In a new commentary published in Annals of Internal Medicine, authors from Lahey Hospital and Medical Center, Beth Israel Lahey Health, Tufts University of School of Medicine and Case Western Reserve University offer strategies for healthcare organizations to reduce greenhouse gas emissions and outline potential strategy tradeoffs to consider toward this goal. They say health care has a moral imperative to reduce its emissions and environmental footprint and force transformation across all other sectors it touches.
How do we remove greenhouse gases from the air?
Mechanical engineer Jennifer Wade is leading two federally funded projects that are addressing the critical question of how to remove greenhouse gases from the atmosphere, thus slowing the devastating effects of global climate change. It’s part of a national effort called the Carbon Negative Earthshot: Being able to remove carbon at $100 a ton at a scale of a million tons per year. That’s a difficult task, Wade says, but it’s not an insurmountable one.
Methane-Eating ‘Borgs’ Have Been Assimilating Earth’s Microbes
In Star Trek, the Borg are a ruthless, hive-minded collective that assimilate other beings with the intent of taking over the galaxy. Here on nonfictional planet Earth, Borgs are DNA packages that could help humans fight climate change.
Media Briefing Schedule for ACS Fall 2022
Media Briefing Schedule for ACS Fall 2022
A more environmentally friendly air conditioner
The hydrofluorocarbon refrigerants in air conditioners and other cooling devices are potent greenhouse gases. Today, scientists report a prototype that uses a novel solid barocaloric material. It could someday replace existing “A/Cs”. They will present their results at ACS Fall 2022.
Pain is no joke in labour, but withholding laughing gas has no ill effects
Women giving birth during the COVID-19 pandemic have been denied nitrous oxide (laughing gas) for pain relief due to fears of virus transmission from the aerosol-generating procedure.
As temperatures rise, tropical glaciers feel same impact as poles
For the first time, scientists have shown that glaciers in the tropical Andes mountains have been in sync with polar ice extent in Antarctica and the Arctic for nearly a million years. A study, published July 13 in Nature, is the first to show that the effects of greenhouse gases and other drivers of the Earth’s temperature are impacting glaciers in the Southern Hemisphere at the same pacing as ice sheets in the north.
Scientists find greenhouse gas warming likely cause of industrial-era sea level rise
An international team of scientists has developed an accurate record of preindustrial sea level utilizing precisely dated phreatic overgrowths on speleothems that provide a detailed history of Late Holocene sea-level change in Mallorca, Spain, an island in the western Mediterranean Sea. The results provide an unprecedented picture of sea level over the past 4,000 years, putting the preindustrial and modern global mean sea level (GMSL) histories in context.
Save the planet (and your health) by steering clear of sweets and pastries
Need another reason to cut back on sugary foods and drinks, apart from an expanding waistline? They’re not helping the environment, contributing to a higher cropland, water scarcity and ecological footprint, according to a new review led by the University of South Australia.
Environmental policy expert explores the promise of forests to alleviate poverty
Notre Dame’s Daniel C. Miller and his colleagues highlight the uneven distribution of the harmful effects that deforestation has on local people who rely on forests.
Climate Change Threatens Base of Polar Oceans’ Bountiful Food Webs
A study recently published in Nature Communications suggests that displacing cold-water communities of algae with warm-adapted ones threatens to destabilize the delicate marine food web. The team was led by University of East Anglia researchers and included DOE Joint Genome Institute researchers.
Chula Successfully Converts Carbon Dioxide to Methanol – Reduces Global Warming, and Adds Value to the Circular Economy
An Engineering professor, Chulalongkorn University has successfully converted carbon dioxide to methanol via a thermochemical method that consumes less energy and provides more yield, providing an alternative solution to reduce greenhouse gas emissions and stimulate the circular economy.
Mapping methane sources in Paris
Researchers reporting in ACS’ Environmental Science & Technology have conducted mobile measurements of methane and its sources throughout Paris. Their findings suggest that the natural gas distribution network, the sewage system and furnaces of buildings are ideal targets for methane reduction efforts.
Rutgers Experts Available to Discuss Addressing Climate Change, Environmental Protection in 2021
New Brunswick, N.J. (Jan. 12, 2021) – Rutgers University–New Brunswick professors Robert E. Kopp and Pamela McElwee are available for interviews on how President-elect Joe Biden and his incoming administration could strengthen efforts to address climate change and protect the environment. Kopp, a professor in…
Methane found in tidal marshes
A pair of new studies found that large amounts of methane can be found in tidal salt marshes, a discovery that will be critical in the fight to battle climate change.
UNH Receives NSF Grant to Research Carbon Interactions in Thawing Arctic
The University of New Hampshire will lead research as part of a $1.5 million award from the National Science Foundation to better understand how interactions between plants, microbes and soil minerals in permafrost, a subsurface layer of frozen soil covering a fourth of the Northern Hemisphere, stimulate the release of carbon which adds to the warming Arctic.
How to Get a Handle on Carbon Dioxide Uptake by Plants
How much carbon dioxide, a pivotal greenhouse gas behind global warming, is absorbed by plants on land? It’s a deceptively complicated question, so a Rutgers-led group of scientists recommends combining two cutting-edge tools to help answer the crucial climate change-related question.
Land Development in New Jersey Continues to Slow
Land development in New Jersey has slowed dramatically since the 2008 Great Recession, but it’s unclear how the COVID-19 pandemic and efforts to fight societal and housing inequality will affect future trends, according to a Rutgers co-authored report. Between 2012 and 2015, 10,392 acres in the Garden State became urban land. That’s 3,464 acres a year – far lower than the 16,852 acres per year in the late 1990s and continuing the trend of decreasing urban development that began in the 2008 Great Recession.
Sulfur-scavenging bacteria could be key to making common component in plastic
Scientists at Oak Ridge National Laboratory and Ohio State University discovered a new microbial pathway that produces ethylene, providing a potential avenue for biomanufacturing a common component of plastics, adhesives, coolants and other everyday products.
Modeling Gas Diffusion in Aggregated Soils
Researchers develop soil-gas diffusivity model based on two agricultural soils
Fossil Fuel-Free Jet Propulsion with Air Plasmas
Humans depend on fossil fuels as their primary energy source, especially in transportation. However, fossil fuels are both unsustainable and unsafe, serving as the largest source of greenhouse gas emissions. Researchers in China have demonstrated a prototype device that uses microwave air plasmas for jet propulsion, generating the high-temperature, high-pressure plasma in situ using only injected air and electricity. They describe the engine in AIP Advances.
Why climate scientists are watching the world’s response to coronavirus
Climate scientists at Notre Dame say despite the challenge to collecting data, the current crisis is already spurring new proposals for research and revealing interesting parallels to the climate crisis that could provide valuable lessons for the future.
Preparing Plants for our Future Climate
Study investigates plant behavior when exposed to higher carbon dioxide levels.
Mapping the Path of Climate Change
Predicting a major transition, such as climate change, is extremely difficult, but the probabilistic framework developed by the authors is the first step in identifying the path between a shift in two environmental states.
Nitrous Oxide levels are on the rise
Nitrous oxide is a greenhouse gas and one of the main stratospheric ozone depleting substances on the planet. According to new research, we are releasing more of it into the atmosphere than previously thought.
Plants and fungi together could slow climate change
A new global assessment shows that human impacts have greatly reduced plant-fungus symbioses, which play a key role in sequestering carbon in soils. Restoring these ecosystems could be one strategy to slow climate change.