Research on carbon emissions and cutting them. Covers satellite emission tracking, workplace diets, CO2 testing, and low-carbon cement.
A study analyzed the largest dataset on CO₂ budgets of northern peatlands, finding that lower water tables increase CO₂ emissions in response to rising temperatures. Higher water tables, on the other hand, reduce this effect. Rewetting drained peatlands is crucial for mitigating temperature-driven CO2 emissions, as the climate changes.
A new study demonstrates TanSat-2's ability to distinguish between human carbon emissions and ecosystem carbon sinks. The satellite's observations of CO2 and chlorophyll fluorescence can simultaneously constrain net primary productivity and fossil fuel combustion emissions, leading to significant error reductions.
SwRI has developed advanced computer models to realistically simulate supercritical CO₂ environments for CCUS, allowing for the testing of downhole equipment with CO₂. The test rig and computational models enable the observation of tool performance and reliability in realistic conditions.
A study by the University of Copenhagen found that only 13% of workplaces in Denmark are ready to introduce more plant-based lunches, while 42% are resistant to change. Workplaces with high tertiary activities and employees who eat less meat tend to be more open to change.
Researchers at SwRI will use a plasma reactor to convert waste CO2 into solid carbon for a domestic graphite supply, reducing reliance on foreign imports. The team aims to produce graphite through a process that involves tuning the CO2 molecule to remove oxygen atoms and solidify into carbon allotropes.
Researchers have developed an electrically powered plasma heating method to produce cement without burning fossil fuels, reducing carbon emissions by nearly 100 times. The new method lowers waste heat and introduces nanoscale defects that improve the strength of cement.
A new study finds that rain falling through wildfire smoke can deliver unusually large bursts of nitrogen, phosphorus, and potassium to ecosystems in the United States. The nutrient pulses could become an increasingly important ecological consequence of fire as wildfires become more frequent.
Members of Parliament from the UK's three biggest parties overestimated public resistance to climate change policies by a significant margin. Researchers found that politicians consistently overestimated public opposition to climate policies, believing voters and other parliamentarians felt more strongly opposed than they actually did....
A new carbon calculator, SPA-DEC, allows spas and wellness centers to measure emissions per visit in real-time. The calculator combines live data with normalized figures to allocate total emissions to individual visits across Scopes 1, 2, and 3 of the Greenhouse Gas Protocol.
A new method for the controlled cleavage of carbon-carbon double bonds in alkenes has been developed using CO₂ as an oxygen donor and visible light. This process replaces traditional oxidising substances with a safer and more sustainable approach, yielding ketones and carboxylic acids.
Teenagers and young adults have the highest individual environmental impact from their diets, producing the highest per-capita food-related GHG emissions worldwide. Meanwhile, population ageing is contributing to an increase in global dietary greenhouse gas emissions, primarily due to older people living longer and having fewer children.
Economists suggest that combining food labelling with higher prices for carbon-intensive items can reduce UK greenhouse gases by 5%, while generating net social benefits. The study found that labelling led to a 5.6% decrease in the carbon content of the average food basket, while a tax on the most carbon-intensive products yielded a 10...
Researchers estimate that audience travel is responsible for most emissions at 'mega-events' like the World Cup. To reduce emissions, organisers should reward fans with discounts for using lower-carbon transport, rather than passing on costs.
A nationwide study by researchers at the University of Minnesota found that adhering to posted speed limits could save an average of $22 million and 6.7 million gallons of fuel daily. This could lead to significant reductions in greenhouse gas emissions and energy consumption.
A study published in PLOS Climate found that teleworking can reduce carbon emissions from commuting, but this benefit may be offset by increased utility use at home. More frequent and separate home office users produced higher emissions due to work-related housing and technology use.
A EU research project has found that reducing average living space per person can lead to significant CO2 emission reductions in the European building sector. By minimizing living spaces, emissions can be reduced by up to 90%, meeting the EU's 2.0-degree climate target by 2050.
Researchers at the University of Osaka have developed a safe and sustainable sequential process for preparing Davis reagents using sunlight and molecular oxygen. The method produces meta-chloroperbenzoic acid (mCPBA) only as needed, greatly reducing risks associated with storing or handling bulk peracids.
Researchers have devised a sustainable approach to convert coal tailings into a highly effective adsorbent that captures ammonia and neutralizes hazardous metals, offering a cost-effective solution for sustainable farming. The material demonstrated remarkable adsorption capabilities, achieving an ammonia adsorption capacity of 56.80 mg...
A recent study reveals that vegetation's water-saving effect under rising CO2 is overestimated due to atmospheric feedbacks. This indirect impact can increase surface energy balance, leading to warming and enhanced atmospheric evaporative demand.
A new study by UCL researchers found that electric vehicles' carbon-reduction benefits vary across Chinese cities due to unequal distribution of electricity generation. The study suggests that richer cities can transfer their emissions to less developed cities, increasing pollution and costs.
Researchers unveil a rigorous framework to fix global forest carbon credit systems, addressing methodological defects and promoting biodiversity conservation. The new standards aim to produce high-integrity climate assets while safeguarding community interests.
A new study found that replacing beef with salmon once a week can save up to 28% of carbon emissions, equivalent to a return flight to Marrakech. The researchers suggest simple diet changes could contribute to national targets of reduced carbon emissions.
Researchers at MPI-SusMat discovered that adding specific metal oxides as catalytic precursors can double the reduction kinetics of hydrogen-based metal production, allowing for reduced energy use. This breakthrough enables lower reduction temperatures, shorter processing times, and reduced energy consumption.
Researchers found that long-term exposure to air pollution is associated with more advanced coronary artery disease, even at moderate levels. The study analyzed data from 11,128 adults and found that exposure to fine particulate matter and nitrogen dioxide increased the risk of coronary artery disease.
The Arctic river deltas store a significant amount of carbon, with 57.5 gigatonnes stored in just 1% of the global permafrost surface. Climate change is destabilizing these regions, causing thawing and releasing more carbon into the atmosphere.
A new UN report details the environmental costs of artificial intelligence, including its burgeoning electricity use, carbon emissions, water footprint, and land occupation. The investigation finds that AI's expansion involves significant energy consumption, leading to substantial CO2, water, and land footprints.
Researchers at the University of Tokyo have discovered a method to quantify CO2 absorbed by cementitious materials and its atmospheric contamination using carbon isotope measurements. This breakthrough aims to improve carbon accounting and reduce greenhouse gas emissions in concrete production.
A new study suggests that temporary carbon storage can play a significant role in climate mitigation, particularly in sectors with persistent methane emissions. The researchers found that neutralizing the climate impact of 1 kilogram of methane requires removing roughly 498 kilograms of CO₂ stored for 20 years.
The Lancet MedZero provides comprehensive carbon analytics across healthcare products, enabling evidence-based decision-making for hospitals and health systems. The platform aims to reduce waste, improve patient care, and tackle climate change, with over 14,000 entries at launch.
Research reveals US forests face significant risk of carbon loss due to wildfires, droughts, and insects. Current carbon-credit systems fail to account for these risks, but the study provides a solution by proposing larger buffer pools to mitigate losses.
A study finds that US forests are at risk of releasing stored carbon due to droughts, pests, and fires exacerbated by climate change. The researchers recommend increasing buffer pools in carbon-credit systems to account for these risks.
Researchers propose using basalt to produce cement, reducing CO2 emissions by over 80% and energy needs by less than 60%. This switch could improve industrial production efficiency and even provide feedstock for steel and aluminum production.
Researchers caution that weakening core safeguards in carbon markets risk worsening climate impacts and increasing net carbon emissions. Indigenous land stewardship is vital for maintaining intact ecosystems and vital carbon sinks, but alternative support mechanisms are needed to preserve the integrity of climate action.
A new type of concrete made from sugarcane waste shows improved mechanical performance and reduced carbon emissions. The study finds that replacing fly ash with sugarcane bagasse ash improves compressive strength by 41% and reduces CO2 emissions by 25-30%.
A major analysis found that four in five REDD+ projects successfully protected forests. Many projects have slowed deforestation despite over-crediting; 'bad credits' do not necessarily mean bad projects.
Researchers estimate that recarbonizing one-third of Brazil's agricultural land could meet the country's Nationally Determined Contribution under the Paris Agreement. Sustainable practices like crop rotation and no-till farming can increase soil carbon storage, with potential increases of up to 15.3% in some biomes.
A recent study by Chinese researchers has quantified lake carbon dioxide emissions in China, finding a significant increase of 24% over the past two decades. The study highlights the importance of high-resolution monitoring to refine lake carbon budgets and inform effective climate mitigation policies.
Researchers at the University of Manchester have found that terrestrial hot spring microbiomes can transform industrial CO2 waste into biomass and other valuable compounds. This discovery could enable the production of value-added products directly from CO2-rich waste streams, reducing emissions while generating economic value.
A new JACR study suggests radiology departments should optimize use of linens and disposable supplies to reduce environmental impact and costs. The study found that linens (35%) and other single-use supplies (34%) accounted for most of ultrasound's greenhouse gas emissions.
A new study by MIT researchers provides a high-resolution picture of auto emissions in NYC, allowing for more effective transportation and decarbonization policies. The method produces detailed data that bridges the gap between citywide emissions inventories and individual vehicle analyses.
The Joule Hive Thermal Battery system can generate and store heat up to 1,800 degrees Celsius using renewable energy sources like solar or wind. The system's thermal energy storage capabilities make it possible for industrial sites to rely on renewable energy sources flexibly.
Research by University of Leeds researchers found that thawing permafrost makes it 25-100 times more permeable, releasing large amounts of greenhouse gases. This could lead to a self-reinforcing process, exacerbating climate change.
Researchers have developed a new class of carbon materials called 'viciazites' that contain carefully controlled configurations of nitrogen groups, enabling low-temperature operation and efficient CO2 capture. The materials outperform untreated carbon fibers in CO2 uptake and desorption at temperatures below 60°C.
A spatial analysis of 259 Chinese cities shows that digital transformation drives environmental progress by optimizing broader industrial structures. Governments should focus on upgrading entire industrial ecosystems rather than waiting for isolated technological miracles to solve the carbon crisis.
Researchers investigated the Mississippi River's hydrological trends, ocean carbon storage, and gender dynamics in flood mortality. A study found that precipitation increases, but soil moisture decreases, while high-resolution models reveal stronger Southern Ocean carbon absorption. Additionally, data showed men are overrepresented in ...
New research published in Weather assesses the energy consumption of AI models and finds that they consume considerable energy during training, but offset this by rapid forecasting ability. AI data-driven models are estimated to consume at least 21 times less energy than traditional models over one-year usage.
Researchers at University of Illinois have developed a new method using solar energy to power a key chemical reaction in the textile, plastic, chemical, and pharmaceutical industries. This method can significantly reduce the industry's carbon footprint by eliminating harsh oxidizing byproducts and minimizing carbon emissions.
A new study by Lund University reveals that large forest fire emissions occur below the ground surface, in peat and organic soils, rather than above-ground. This affects climate impact assessments, as traditional methods risk missing significant carbon releases.
A new study suggests that energy-efficient 5G network features can significantly cut indirect carbon emissions across the UK economy. By optimizing energy use in base stations and user devices, industries such as finance and IT can benefit from reduced emissions.
A new international study found that deploying next-generation solar panels at scale could reduce global carbon emissions by up to 8.2 billion tonnes by 2035. The technology, known as tunnel oxide passivated contact (TOPCon) photovoltaics, has lower environmental impacts in fifteen out of sixteen categories compared to the incumbent PE...
A new FAU study uncovers the impact of acidic water on shell-building marine organisms, highlighting the need for strategies to mitigate coastal acidification. The research found that nutrient pollution, freshwater input, and other environmental factors contribute to reduced aragonite saturation.
Researchers find co-pyrolysis converts agricultural waste into valuable biochar, reducing emissions while improving soil health and sustainability. The process could cut millions of tons of emissions and deliver substantial carbon emission reductions.
Researchers have developed a novel cooling method based on the 'dissolution barocaloric effect,' which offers a promising zero-carbon alternative to traditional refrigeration. The new technology achieves low carbon emissions, high cooling capacity, and high heat transfer efficiency simultaneously.
A modelling study suggests that preventing high blood glucose from turning into type 2 diabetes with lifestyle changes could result in a 67% reduction in greenhouse gas emissions. Well-controlled type 2 diabetes management could cut CO2 emissions by 21%, adding nearly 2 extra years of life.
A study by Seoul National University of Science & Technology found that expanding hydrogen fuel cell heavy-duty trucks could reduce carbon dioxide emissions by approximately 8.74 million tons. Public willingness to pay for this transition amounts to KRW 572.4 billion, far exceeding the prevailing carbon credit price.
MIT Energy Initiative researchers developed the largest combined dataset on global ammonia supply chains, examining economic and environmental impact of different scenarios. The study found that a full transition to clean ammonia production could cut greenhouse gas emissions by nearly 71% for a 23.2% cost increase.
A new study co-led by the University of Oxford found that global aviation emissions can be reduced by 50-75% through combined strategies to boost efficiency. The study reveals enormous variability in emissions efficiency, with some routes producing nearly 900 grams of CO2 per kilometre for each paying passenger.
The production of ingredients used in dog food contributes around 1% of the UK's total greenhouse gas emissions, with wet and raw foods associated with substantially higher emissions. Choosing dry food over grain-free or wet options can significantly reduce environmental impact.
A new study uses digital building models to calculate carbon emissions from material production, transportation, operation, and demolition. The approach demonstrates how targeted reduction strategies can be identified before construction begins, highlighting the importance of local material sourcing and clean heating technologies.
Climate change is altering the global nitrogen cycle, affecting food security, water quality, and biodiversity. The review finds that elevated CO2 boosts plant growth but dilutes protein quality, while rising temperatures reduce yields and increase nitrogen losses.