Articles tagged with Carbon Emissions
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A recent study by researchers at the University of Texas at Austin found that the ocean's ability to absorb CO2 will peak by 2100 and become less efficient after 2300 due to a surface layer of low-alkalinity water. This emergence hinders CO2 absorption, leading to faster warming.
Researchers aim to capture CO2 from industrial emissions and store it in mineralized form in 3D-printed building materials. The project seeks to significantly reduce the carbon footprint of cement-based construction materials.
A UC Irvine-led study found that boreal forest fires in North America and Eurasia released nearly half a gigaton of carbon dioxide in 2021, surpassing annual mean emissions between 2000 and 2020. The increased emissions are linked to climate drivers such as warming temperatures and droughts.
A new study reveals that moose can reduce carbon storage in clearcut sites equivalent to 60% of annual fossil fuel carbon emissions from a region. Moose consumption of biomass daily during summer represents 10% of what the Norwegian forest industry itself harvests, leading to increased carbon emissions.
A novel deep learning-based forecasting model predicts uncertain parameters related to renewable energy sources, their energy demand, and market prices. The model demonstrates improved prediction accuracy and efficiency compared to existing methods.
A new study from Tulane University compared popular diets on nutritional quality and environmental impact, finding that keto and paleo diets scored among the lowest on nutrition quality and had the highest carbon emissions. Vegan diets, on the other hand, generated significantly less carbon dioxide per calorie consumed.
Researchers have been awarded a three-year grant to develop a microalgae-based system to capture carbon dioxide emissions from power plants. The system will use algae to sequester carbon from flue gases, generating valuable bioproducts like nutraceuticals and biofuels.
Researchers found that economic crises can trigger long-lasting decarbonization processes through increased energy efficiency, structural changes, and shifts towards renewable energy sources. Countries that have already implemented ambitious climate policies have been particularly adept in times of crisis.
New research suggests that rationing could help states reduce greenhouse gas emissions rapidly and fairly. By allocating resources based on needs, rather than market forces, policymakers can create a more equitable approach to climate change mitigation.
Researchers at MIT have developed a membrane-free electrochemical process to remove carbon dioxide from seawater, potentially reversing ocean acidification. The system could be integrated with existing desalination plants or ships to help mitigate emissions.
Researchers have discovered a new 3D-printed superalloy that can withstand high heat, essential for power plant turbines. The alloy, composed of 42% aluminum, 25% titanium and other metals, is stronger at high temperatures than state-of-the-art materials.
Research from Imperial College London and University of Exeter reveals that cooperative microbial communities release more carbon dioxide than competitive ones, contributing significantly to climate change. This finding has far-reaching implications for understanding the impact of temperature changes on global carbon cycles.
Research reveals hydrothermal vents as a previously undiscovered source of dissolved black carbon in the oceans, transporting it thousands of kilometers away. This discovery sheds light on the ocean's role as a carbon sink and provides insights into the formation of recalcitrant dissolved organic carbon.
Researchers produced biogas from apple pomace, reducing greenhouse gas emissions and generating electricity and heat. The bioenergy recovery can supply 19% of the anaerobic reactor's energy needs, contributing to public policy and cutting fossil fuel consumption.
Carbon emissions from fertilizers could be reduced by as much as 80% by 2050, according to researchers at the University of Cambridge. The study found that two-thirds of emissions occur after application, highlighting the need for efficient fertilizer use and innovative solutions to mitigate emissions.
Researchers developed a novel method to convert CO2 into formic acid using ruthenium complexes, achieving a high turnover number of 63. This technology has the potential to decrease global warming and provide valuable organic compounds.
A £5.4 million project, backed by Innovate UK, aims to develop a new value chain to convert industrial waste gases into sustainable materials for consumer products. The consortium, including Unilever and BASF, will seek to demonstrate how the UK can cut 15-20 million tonnes of carbon dioxide emissions per year.
A new study by the University of Göttingen found that alley-cropping agroforestry significantly improves ecosystem functions, including carbon sequestration, habitat creation, and soil protection. In contrast, open grassland systems did not show significant changes in ecosystem function after conversion to agroforestry.
A study by MIT researchers found that chess players perform worse and make more errors when exposed to high levels of fine particulate matter in the air. The probability of error increases by 2.1 percentage points, while the magnitude of those errors rises by 10.8%. Cleaner air leads to clearer heads and sharper thinking.
New research reveals that nitrogen released by gas-powered machines causes dry soil to let go of carbon and release it back into the atmosphere. The study found that excess nitrogen acidifies soils, leading to a loss of carbon stored in association with calcium.
A recent study found that China's cleaner heating policies in northern cities, including Beijing and Tianjin, reduced premature deaths from air pollution by 23,000 in 2021 compared to 2015. The stricter policies led to a significant decrease in fine particulate matter (PM2.5) concentrations.
A recent study estimated that shifting from in-person visits to telemedicine for patients with cancer can result in substantial carbon emissions savings. By reducing the need for transportation, telemedicine can significantly decrease greenhouse gas emissions and contribute to a more sustainable healthcare system.
Researchers are using AI to assess soil datasets and measurements, aiming to build an automated data-driven decision support system for European soils. The goal is to create an effective soil health certification system that can be used by farmers, landowners, and policy makers.
A new study reveals that up to 38% of the remaining Amazon forest area has been affected by human disturbances, causing significant carbon emissions. The research highlights the cumulative effect of factors such as forest fire, edge effects, selective logging, and extreme drought on forest degradation.
Researchers found that allocating emissions based on ticket prices rather than travel class provides a more accurate representation of individual contributions. This approach encourages people from all budgets to seek alternative modes of transport and increases estimates of corporate emissions.
A new research project aims to solve the physics behind excessive bubble formation in electrolysis, a bottleneck in large-scale green hydrogen production. The team will combine numerical simulations and laboratory experiments to develop reliable modelling tools.
A recent study by Ohio State University researchers estimated that global steel production contributes significantly to greenhouse gas emissions, with corroded steel replacement accounting for up to 4% of total emissions. Reducing steel corrosion could have a measurable impact on reducing greenhouse gases produced during steel production.
A new study reveals Iceland's potential to become a protein self-sufficient nation, producing hundreds of thousands of tonnes of biomass while mitigating over 700 million tons of CO2 emissions. This could significantly reduce Europe's reliance on imported protein-rich feed crops and enhance food security.
A new study analyzes carbon dioxide removal quotas for developing countries, considering issues of equity and fairness. The allocation methods were based on extended equity principles and assessed the implications for these seven tropical developing countries.
Pulses are a nutritious and climate-friendly superfood that Europeans are not fully aware of or utilizing. A study by Katharina Henn reveals low consumption in Europe, with Denmark at the bottom and Spain leading the way. The solution lies in building European traditions around pulses rather than relying on meat-like substitutes.
A new study finds that autonomous vehicles could consume enough energy to generate significant greenhouse gas emissions, highlighting the need for rapid advancements in hardware efficiency. To mitigate this, researchers recommend more efficient autonomous vehicles with smaller carbon footprints.
Researchers found that natural gas-fired power plants could emit up to 3.6 billion tonnes of CO2 annually, but reducing this by 71% is possible with efficient technologies like carbon capture and storage and improving plant efficiency.
A study by UC Davis Health researchers found that telehealth visits saved patients around 53.7 million miles of travel, eliminated the need for 42.4 injuries and 0.7 fatalities, and reduced greenhouse gas emissions by 21,466 metric tons over two years.
A new study finds that tropical forests recovering from logging are a source of carbon due to soil and rotting wood releasing more carbon than new growth can absorb. The study highlights the need for sustainable logging practices to minimize collateral damage.
Researchers uncover ancient manufacturing strategy that incorporates self-healing functionalities into Roman concrete. Hot mixing process allows for faster construction and enhanced durability through spontaneous cracking and recrystallization.
A new study reveals that New York City's vegetation absorbs up to 40% of the city's daily carbon emissions, outperforming transportation sources. The research uses hyper-local vegetation maps and fine-grained modeling to show that urban greenery plays a crucial role in the city's carbon cycle.
Researchers develop AI model to predict exhaust gas emissions from ships under different air-to-fuel ratios. The ensemble dataset and double ensemble models produce the most accurate emission predictions for CO2, NOx, and SO2 gases.
A group of scientists developed a machine learning approach to predict amine emissions from a carbon capture plant. They analyzed data from a stress test at a German power plant and found that two amines respond in opposite ways, increasing or decreasing emissions. This new method has the potential to change the way chemical plants ope...
Researchers have developed a new method for recycling high-density polyethylene (HDPE) into fully recyclable and biodegradable material. The approach uses catalysts to cleave polymer chains, reducing carbon emissions and pollution associated with HDPE.
The Inflation Reduction Act offers significant benefits for public health through its tax credits and financial incentives. The law aims to reduce the adverse health effects of climate change by targeting greenhouse gases, conventional air pollutants, and carcinogenic chemical contaminants. By providing a more politically feasible appr...
The article discusses how the Inflation Reduction Act's hydrogen production tax credit could backfire by increasing carbon pollution without proper implementation. To mitigate this, researchers suggest enforcing additional guidelines for clean energy procurement alongside the tax credit.
Research by Cornell University reveals that biodegradable medical gowns release harmful emissions due to faster decomposition rates. The study suggests adopting landfill gas capture and utilization processes to reduce greenhouse gas emissions and toxicity.
A team led by Professor Thorsten Hoffmann uses small, portable observation drones equipped with miniaturized sensors to analyze volcanic gases and predict eruptions. The ratio of carbon dioxide levels to sulfur dioxide can reveal the likelihood of an impending eruption.
A study suggests that subsidies for carbon dioxide removal should be higher than the price on carbon emissions due to economic leakage. This is because ambitious countries reducing emissions can lead to other countries increasing their emissions, reducing overall emissions reduction. In contrast, carbon dioxide removal does not affect ...
Researchers at ETH Zurich investigate carbon-neutral production of nitrogen fertiliser, finding a transition is possible and may increase food security. However, alternative methods have advantages and disadvantages, with the key to success likely being a combination of approaches.
A Nagoya University study found that increased use of pharmaceuticals and medical supplies during the COVID-19 pandemic contributed to a 27% increase in hospital carbon emissions. Despite reduced electricity and gas consumption, the overall carbon footprint rose due to longer hospital stays and increased intensive care needs.
The global food system exerts significant pressure on the environment and climate, with five countries accounting for almost half of the impact. Locally produced food is often the most environmentally friendly option, but production methods can vary greatly between countries.
A team of researchers at KAUST has developed a new method to replace toxic chlorinated solvents with plant-derived alternatives in organic solar cell manufacture. The study reveals that terpene-based solvents can be used without affecting the light-capturing performance of the cells, resulting in an 85% lower carbon footprint.
Researchers at UIC have created an integrated system that captures carbon dioxide from flue gas and converts it to high-purity ethylene, achieving net-negative carbon emissions. The system's modular design allows for easy scaling up and down, making it a potential breakthrough in sustainable ethylene production.
A new analysis led by Dr. Asaf Tzachor finds that replacing beef with Spirulina algae can save nearly 100kg of greenhouse gas emissions, 340 square meters of land and 1,400 liters of water for every kilogram of beef meat replaced.
A quarter-mile segment of the Klamath Geo Trail was successfully resurfaced using volcanic ash from Mount Mazama, demonstrating its potential as a more sustainable and locally sourced pozzolan. The surface treatment improved firmness and stability, making it accessible to people with mobility devices.
Research in tropical forests reveals that nitrogen-fixing trees are vulnerable to herbivory by insects, limiting their growth and survival. This constraint could undermine reforestation efforts and the role of these trees in sequestering carbon dioxide from the atmosphere.
Research found that widespread electric vehicle adoption will significantly reduce air pollution and associated mortality in US metropolitan areas, with Los Angeles projected to see 1,163 fewer premature deaths annually. Electric vehicles could bring up to $12.61 billion in economic health benefits by 2050.
A KAUST research team studied the interaction between nitrogen gas and hydrocarbons in oil reservoirs. They found a direct correlation between nitrogen solubility and oil swelling, enhancing oil recovery. The study also sheds light on CO2 storage with impurities like methane and nitrogen.
A new study by the University of East Anglia highlights the risks of relying on nature-based solutions, such as forests and soils, to achieve net-zero emissions. The research warns that these solutions may not be enough to offset the remaining difficult-to-decarbonize emissions if progress on reducing fossil fuel use stalls.
A new portable device can detect the low-intensity light emission from healthy plants, allowing researchers to measure their health and sustainability. This technology can help assess the impact of CO2 emissions, greenhouse gases, and extreme weather events on plant stress and inform strategies for sustainable agriculture.
Researchers at Rutgers University simulated climate change's impact on allergenic pollens, finding significant increases in airborne pollen loads by 2050. The study predicts earlier start times and longer durations for pollen seasons across the US, with notable regional shifts.
Ethereum's shift from proof-of-work to proof-of-stake has significantly reduced its energy requirements. This change offers a model for other cryptocurrencies to follow and reduce their environmental impact. Policymakers and consumers can support this move by implementing policies such as carbon-disclosure requirements and environmenta...
A new study published in AGU Advances found that post-lockdown auto emissions rebounded in some California areas, with affluent neighborhoods experiencing less pollution drop. The researchers used mobile laboratory data and analyzed grass samples to track CO2 levels and found significant differences between regions.
A new MIT study suggests that prioritizing polluting power plants in times of wind energy generation could quadruple the health benefits associated with wind power, resulting in $8.4 billion in nationwide health benefits. However, this approach would not address existing disparities in air pollution exposure among low-income and minori...