Articles tagged with Carbon Emissions
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
Researchers have discovered a way to harness bismuth's unique property, called catalytic plasticity, to convert carbon dioxide into liquid fuels and industrial chemicals. This approach could potentially provide sustainable routes to making fuels and reduce greenhouse gas emissions.
The study, led by Dr Christian Brand, finds that both lifestyle change and zero-emission technologies are needed to meet Scotland's 80% carbon reduction target by 2050. Lifestyle changes such as walking, cycling, and using clean public transport can show quicker results than gradual transitions to electric vehicles.
A new study found that streams and rivers could increase carbon dioxide emissions at higher temperatures, potentially compounding the effects of global warming. The research team analyzed data from six major climatic zones across the globe and found a 24% shift toward more respiration and CO2 emissions.
Crop rotation has been shown to decrease greenhouse gas emissions by up to 35% compared to continuous corn or soybean. Rotating crops also increases yield benefits of over 20%, with tillage not affecting emissions. The study highlights the importance of crop diversification and soil management in reducing environmental impact.
A University of Toronto engineering team has designed a most efficient and stable process to convert climate-warming carbon dioxide into ethylene, a key chemical building block for plastics. The breakthrough catalyst uses a thin copper-based material and improves energy efficiency and selectivity.
Researchers at ETH Zurich developed a device that combines multiple gas sensors to detect entrapped people. The device, the size of a small computer chip, can identify specific chemical compounds emitted by humans and distinguish them from other sources.
Researchers at TU Vienna found that support materials can significantly impact chemical reactions on large palladium grains. The discovery could lead to the development of more effective automotive catalytic converters by reinforcing the weak point of the grain, where carbon monoxide poisoning starts.
A new study found that global carbon production from Chinese exports has slowed or reversed, as developing countries shift trade among themselves. The growth of South-South trade has more than doubled between 2004 and 2011, leading to a surge in CO2 emissions in regions like Vietnam and Bangladesh.
Scientists from 12 countries urge caution on climate geoengineering, warning it may do more harm than good. Developing countries are most vulnerable to climate change and geoengineering's unintended consequences, including acidification of the ocean and disruptions to biodiversity.
A new satellite measuring carbon balance will aid experts and politicians in addressing climate change, while providing detailed emissions data by country. The tool helps track the impact of deforestation and drought on CO2 emissions, crucial for the UN's work on reducing greenhouse gases.
A comprehensive study by the University of Sydney reveals that global tourism is a major contributor to greenhouse gas emissions, with small islands and luxury travel being key drivers. The research estimates that tourism-related emissions are four times greater than previous estimates and are growing faster than international trade.
New research from the University of Adelaide shows that weedy marine plants will dominate coastal habitats in high CO2 conditions, replacing kelp forests that support higher biodiversity. Small weedlike species will fuel their growth due to carbon emissions, allowing them to outcompete and outgrow kelps.
Researchers found that increasing urban agriculture, switching to renewable energy, reducing retail and consumer food waste, and adopting plant-based diets can significantly cut greenhouse gas emissions. By implementing these measures, cities can achieve a substantial reduction in their carbon footprint.
Researchers found that private electric vehicles can reduce CO2 emissions by incentivizing slow charging, while electrifying buses and taxis is the most effective option for improving air quality in Beijing. The study's strategy aims to maximize the benefits of renewables by managing vehicle charging.
A world-first study synthesizes globalization effects on people and planet, revealing increased child labor, environmental degradation, and inequality in developing countries. The research highlights the displacement of wealth-driven consumption into offshore production, compromising the achievements of Sustainable Development Goals.
A new study reveals that US improvements in air quality are slowing down, making it challenging to meet ozone pollution goals. The slowdown is attributed to slower-than-expected reductions in emissions from industrial and commercial sources.
A new natural gas catalyst aims to reduce methane emissions from vehicle exhaust, a potent greenhouse gas. The US Department of Energy-funded project will develop and optimize a lower-cost, more efficient catalyst to eliminate unreacted methane, making natural gas a cleaner-burning fuel option.
A new MIT study estimates that China's climate policy would improve air quality and human health, saving $339 billion in health costs by 2030. The researchers used a new modeling approach to simulate the effects of different policy scenarios on provincial air quality and public health.
Researchers at Stanford University have found cost-effective carbon capture and sequestration (CCS) technologies commercially feasible with existing technology in the US. CCS can be profitable through tax credits and low-carbon fuel standards, incentivizing its deployment to meet climate goals.
The Chinese observation satellite TanSat has produced its first global carbon dioxide maps, providing valuable data for future climate change research. The maps show a seasonal decrease in carbon dioxide concentration from spring to summer in the Northern Hemisphere and emission hotspots due to anthropogenic activity.
A team of researchers led by Imperial College London has developed a new technique to estimate CO2 emissions from fossil fuels using atmospheric measurements. The study found that the reported and actual emissions matched up well in California, suggesting the technique could be used globally.
Researchers at Swansea University's Energy Safety Research Institute have found a way to convert CO2 into ethylene, the basis of making plastics, at room temperature. This process has the potential to offset global carbon emissions and utilise half a billion tonnes of emitted CO2 annually.
A study by researchers at MIT and NREL found that carbon taxes can be an effective way to curb emissions of greenhouse gases. The analysis showed that depending on the exact mechanism chosen, such a tax can also be fair and not hurt low-income households. The most efficient way to achieve reductions in terms of overall impact on the ec...
Scientists at Washington University in St. Louis have developed a new method to convert CO2 into a solid inert mineral in basalt, which holds promise as an effective abatement agent for reducing greenhouse gas emissions. The research revealed that 47 kilograms of CO2 can be converted into mineral inside one cubic meter of basalt.
The Carnegie Mellon Power Sector Carbon Index reports a 26.8% decline in emissions intensity from 2005 levels, with natural gas and renewables displacing coal as primary energy sources. The index also provides regional insights and international expansion, offering objective data for policy makers and regulators
A Norwegian study reveals that wood stove emissions have a complex effect on the climate, with black carbon being the primary warming agent. The research suggests that reducing soot emissions from wood stoves could also improve air quality and mitigate health risks.
New University of Colorado Boulder research suggests that limiting warming to 2.7 degrees Fahrenheit would reduce the likelihood of an ice-free Arctic summer to 30 percent by 2100. In contrast, warming by 3.6 degrees Fahrenheit would make at least one ice-free summer certain.
A team of Canadian and US scientists propose converting CO2 into small building block molecules that can be upgraded for commercial use. Potential applications include energy storage in hydrogen, methane, and ethane; production of consumer goods using ethylene and ethanol; and pharmaceuticals using CO2-derived formic acid.
To stabilize the climate, governments must undertake huge efforts of halving emissions by 2030 and achieving emission neutrality by 2050. Removing CO2 from the atmosphere through technical methods comes with risks and uncertainties.
Researchers developed a model to test the cost and capabilities of a fleet of shared, automated electric vehicles in New York City. The study found that about 6,500 vehicles could be sustained on 1,500 medium-power electric vehicle chargers across Manhattan, resulting in a 33,000-ton reduction in carbon dioxide emissions per year.
A study from the University of Sheffield found that a rapid switch from coal to natural gas in Britain resulted in a 6% decrease in emissions. The key factor behind this reduction was effective carbon pricing, which incentivized the fuel switch.
A study suggests that using existing natural gas infrastructure to replace coal in power plants can significantly reduce global carbon emissions. The UK's approach, which has already cut its emissions by 25%, could be emulated globally to achieve a 3% reduction in annual emissions.
A new study published in Limnology and Oceanography Letters shows that lake size and nutrients significantly impact greenhouse gas emissions from lakes into the atmosphere. The research found that methane, emitted from lakes in bubbles, is the dominant greenhouse gas coming from lakes globally.
Scientists found that meeting temperature targets without overshooting may not require zero emissions, while drastic cuts in emissions can stabilize warming at 1.5 or 2 degrees C. The timing of emission reductions matters significantly.
A new study published in PNAS suggests that controlling greenhouse gas emissions could substantially reduce the consequences of permafrost thawing, but failing to do so would result in significant carbon releases. The research found that even with low emission scenarios, permafrost loss and soil carbon changes are still substantial.
A new study found that 20% of American diets account for 46% of total diet-related greenhouse emissions, with high beef consumption contributing 72% of the difference. Shifting to more plant-based diets could reduce emissions by nearly 10%.
Researchers estimate that Shark Bay has the largest carbon stores reported for a seagrass ecosystem, containing up to 1.3 percent of the total carbon stored in seagrass soils worldwide. The loss of seagrass at Shark Bay after the 2010-2011 marine heat wave released up to 9 million metric tons of CO2 into the atmosphere.
Researchers developed a framework to assess forest management strategies in Oregon, finding that these approaches increased net ecosystem carbon balance by 72% from 2011-2015. By 2100, the strategies resulted in a 56% increase in NECB, with benefits for water availability and biodiversity.
A new study projects that cutting carbon emissions sooner could avoid up to 153 million premature deaths globally, with the greatest gains in Asia and Africa. Cities like Kolkata and Delhi, India, could see up to 4.4 million projected saved lives.
A Michigan State University study evaluated adaptive multi-paddock, or AMP, grass-fed operations and found that they can potentially offset greenhouse gas emissions. The research also showed that the finishing phase of beef production could be a net carbon sink, with carbon levels staying in the green rather than in the red.
The loss of seagrass meadows at Shark Bay has released up to nine million metric tons of carbon dioxide, equivalent to the annual CO2 output of 800,000 homes. Seagrass ecosystems are crucial for storing carbon, and climate change is compromising their permanence.
A new study published in Nature shows that ocean acidification caused by carbon dioxide emissions will severely slow coral reef growth. The research team manipulated seawater chemistry to reflect end-of-century projections, finding that increased acidity hinders calcification and reef growth.
Researchers used tree-ring records to analyze Mongolia's 2,060-year climate history. The study found that future droughts are likely no worse than those of the past, with increased precipitation offsetting the effects of higher temperatures on semi-arid regions.
Researchers evaluate bioenergy with carbon capture and storage (BECCS) in the US, finding that approximately 30% of biomass is suitable for near-term deployment. The study suggests BECCS could provide up to 100-110 megatonnes of negative emissions per year by 2020 and 360-630 megatonnes by 2040.
The enhanced weathering process has the potential to remove up to 4.9 billion tons of CO2 per year from the atmosphere if basalt is used, but its costs and trade-offs are significant. The study suggests that basalt could be a more sustainable option than dunite, which contains harmful substances.
A recent study found that hydropower in the Mekong River Basin has median greenhouse gas emissions of 26 kg CO2e/MWh, comparable to other renewable energy sources. However, nearly 20% of hydropower reservoirs have higher emissions than fossil fuels, and social and environmental impacts must be evaluated case-by-case.
The U CO2 sensor network, the only multisite urban CO2 network worldwide with over a decade of continuous measurements, shows that suburban sprawl significantly impacts metro area CO2 emissions. The network reveals that suburban expansion increases CO2 emissions more than similar population growth in urban areas.
The study explores the feasibility of achieving a 1.5°C warming limit by 2100 using six integrated assessment models. Successful scenarios require rapid shifts away from fossil fuels, lowered energy use, and CO2 removal. Inequities and poor climate policies hinder achievement.
A University of East Anglia study finds that current payment schemes for forest carbon credits are insufficient to compete with the financial benefits of logging and converting forests to rubber plantations. To effectively protect tropical forests, payment amounts must be significantly increased.
Researchers at Concordia University developed a method to optimize energy consumption in buildings, reducing carbon emissions by 59% while cutting costs by 75%. The study used hydro-powered heat pumps and lake cooling as renewable energy sources, demonstrating the potential for net-zero energy usage.
A recent study by Colorado State University found that biofuels produced from switchgrass can store carbon in the soil, sequestering it and reducing greenhouse gas emissions. The research used a simulation model to analyze various growing scenarios, finding a climate footprint ranging from -11 to 10 grams of carbon dioxide per mega-joule.
A study estimates that reforesting US topsoils stores 13-21 million metric tons of carbon annually, equivalent to 10% of the country's forest-sector carbon sink. Over a century, this could sequester up to 2.1 billion metric tons of carbon.
A new study by Potsdam Institute for Climate Impact Research found that delaying global CO2 emission peak by five years between 2020 and 2035 could result in an additional 20 cm of sea-level rise by 2300. The researchers used a combined climate-sea-level model to analyze the impact of delayed mitigation on global sea-level rise.
Researchers from Carnegie Mellon University have found that US power sector carbon dioxide emissions are on track to meet near-term targets under the Paris Agreement despite the Trump Administration's withdrawal of the Clean Power Plan. A strong link between natural gas prices and emission reductions has been identified, with declining...
A study by Indiana University researchers shows that excess emissions from industrial facilities can make serious contributions to overall air pollution, causing approximately $150 million in negative health consequences annually.
A new prototype has been developed to monitor environmental variables in buildings, utilizing open-source platforms and the Internet of Things. The system aims to optimize building energy consumption and improve indoor air quality by detecting CO2 levels and optimizing ventilation.
New research reveals that removing fossil fuel subsidies will only slightly slow the growth of CO2 emissions, with smaller effects in developing economies. The largest emissions savings would come from oil and gas exporting countries, but removal could have a detrimental impact on poor households, who may struggle to afford modern fuels.
Researchers discovered that Arctic ponds can be hotspots for the degradation of dissolved organic carbon (DOC), releasing more carbon into the atmosphere. The study found that these ponds have distinct chemical compositions compared to rivers, and rapid permafrost thaw is adding carbon to them.
A new computer model developed by EPFL scientist Edgard Gnansounou can quantify the emissions of each product coming out of biorefineries, providing a more accurate assessment of biofuels' environmental impact. This could help policymakers set clear incentives for biorefineries to become economically viable.
A new study finds that substantial carbon pricing can lead to substantial divestment from coal, resulting in reduced emissions. The 'green paradox' effect is overcome when investors anticipate strong future climate policies, suggesting a more effective strategy for reducing emissions.