Articles tagged with Greenhouse Gases
A $20 toll for cars and taxis entering Manhattan's central business district could decrease gridlock by up to 40%, while also reducing greenhouse gas emissions by 15%. The study found that this measure would lead to a significant reduction in air pollution, including particulate matter linked to poor health.
A new study estimates that producing food to fuel walking and cycling leads to non-negligible greenhouse gas emissions. The researchers suggest reducing meat consumption and shifting towards plant-based diets can significantly lower these emissions, with potential reductions of up to 80%.
A New Zealand study of almost 50,000 people found that women use more diverse modes of travel and emit lower greenhouse gases. Women take shorter trips, walk more, and are more likely to use public transport than men.
A new study predicts a significant decrease in US snowstorms due to climate change, with a potential 28% reduction in frequency and size of snowstorms. The study suggests that winters will start later, end earlier, and experience fewer extreme snowfall events.
A new onboard separation technology developed at PNNL can separate ethanol from gasoline, enabling an octane-on-demand system that improves fuel economy. The technology has shown promising results in separating 95% of ethanol from commercial gasoline.
Research by University of California, Davis professor Paul Griffin suggests a positive relation between Canadian firms' market value and their greenhouse gas emissions. This is due to early adoption of protocols and national policies offsetting climate impacts on the economy.
A new study suggests that aggressive carbon taxation in the US could help meet its Paris Agreement targets by reducing greenhouse gas emissions. The research found that only limited opportunities for decarbonization exist outside of the electricity sector, but significant revenue can be generated from carbon taxes.
A recent study published in Advances in Atmospheric Sciences estimates that the Yangtze River Delta region contributes around one-third of China's total hydrofluorocarbon emissions. The study found that the region has a higher emissions intensity per capita, area, and GDP compared to national and global levels, with HFC-23 being the pr...
A recent study by the University of Bonn found that Brazilian soy exports have a significant impact on the climate, with varying levels of CO2 emissions depending on the location where soybeans are grown. The researchers used Life Cycle Assessment methodology to estimate the carbon footprint of Brazil's soy exports and found that some ...
Researchers found that cyclone frequency decreased in the southern Indian Ocean and western North Pacific but increased in the North Atlantic and central Pacific. The study suggests that climate change is driving these changes.
A recent international research project found that dry areas of inland waters release high levels of carbon dioxide, underestimating total emissions. The study suggests a global phenomenon with factors like temperature, moisture, and organic matter content playing a crucial role in the release.
Health experts recommend displaying warning labels on petrol pumps, energy bills, and airline tickets to inform consumers about the climate and health risks associated with fossil fuel use. The labels should state that continuing to burn fossil fuels worsens the climate emergency, leading to significant projected health impacts over time.
Global supply chains account for 10% of all global carbon emissions, which has tripled between 1995 and 2012. Researchers call these emissions "carbon-in-transit," as products move across borders with embedded carbon emissions.
Researchers at Osaka University have developed a marine biodegradable plastic using starch and cellulose, demonstrating excellent water-resistance and high strength. The new material has the potential to significantly reduce marine debris accumulation and contribute to sustainable development goals.
Concrete production contributes to both global greenhouse gas emissions and local air pollution, but a study from the University of California, Davis, found that using cleaner-burning kiln fuel, more renewable energy, and replacing cement with lower-carbon alternatives can reduce climate and health damage costs by up to 44 percent.
Researchers from the University of Göttingen found that using palm oil from first rotation plantations leads to an increase in greenhouse gas emissions compared to fossil fuels. However, there is potential for carbon savings in plantations established on degraded land or by introducing longer rotation cycles or new oil palm varieties.
Research estimates that online shopping for fast-moving consumer goods produces varying levels of greenhouse gas emissions compared to traditional and 'Bricks & Clicks' models. Shoppers can reduce their footprint by walking or biking to stores, while retailers can cut emissions by switching to electric cargo bikes.
Researchers at KAIST have developed a long-lasting and economical catalyst that converts greenhouse gases into hydrogen gas and fuel. The catalyst, made from nickel, magnesium, and molybdenum, can work efficiently for over a month without degrading.
New research reveals that Mediterranean-type climates experience rapid decreases in rainfall when greenhouse gases rise, impacting water resources. Cutting greenhouse gas emissions can interrupt these effects, benefiting regions reliant on winter rainfall.
Researchers from University of Michigan found that using a manual dishwasher with the two-basin method can reduce greenhouse gas emissions by 18% compared to machine washing. They also suggest avoiding pre-rinsing and selecting energy-efficient settings to minimize environmental impact.
Researchers from Yale School of Forestry & Environmental Studies argue that the IPCC guidelines need improvement to accurately calculate and report greenhouse gas emissions. They suggest using satellite imagery and machine-learning tools to expedite quantitative synthesis and address data gaps.
A study found that adopting a plant-based diet in New Zealand could reduce greenhouse gas emissions by 4-42% annually, improve population health, and save the healthcare system NZD $14 to $20 billion over time. The research also highlights the importance of reducing food waste and promoting climate-friendly eating patterns.
New research finds that preparing land for palm oil plantations releases more greenhouse gases than mature plantations, accounting for almost a quarter of regional emissions. Laboratory analysis reveals significant CO2 emissions during drainage and young oil palm stages.
Despite reports of near elimination, global HFC-23 emissions are growing at record values, contradicting expectations. Scientists attribute the rise to increased production in developing countries.
A new study finds that irrigation has a significant cooling effect during warm extremes in regions such as Southern Europe, North Africa, and South Asia. This effect partly offsets the warming caused by global greenhouse gas emissions, reducing the likelihood of hot extremes by a factor of 2-8 in some areas.
People with obesity produce more carbon dioxide due to higher metabolism and food consumption, contributing to 1.6% of global man-made emissions. Managing obesity can favorably affect the environment, with potential implications for healthcare and environmental policies.
A high-resolution geophysical survey has confirmed the ideal site for drilling a 1.5-million-year-old ice core in East Antarctica's Little Dome C area. The drill site, located 40 km away from Concordia Station, will provide valuable information on the Antarctic climate and greenhouse gases during the Middle Pleistocene Transition.
Scientists discovered that greenhouse gas emissions from volcanic rocks can create massive global warming effects, with calculations suggesting the largest temporary global warming of the past 65 million years. Large Igneous Provinces (LIPs) are linked to spikes in climate change and the carbon cycle.
A new study by Rice University researchers warns that coral reefs in the Gulf of Mexico are on the brink of collapse due to rising temperatures and ocean acidification. The study found that even reducing greenhouse gas emissions to meet the Paris Agreement's targets may not be enough to preserve the reefs.
Researchers analyzed data on oil and gas well leakage in British Columbia, finding that 10.8% of wells showed reported leakage, with most incidents involving gas venting. Unremediated surface gas leakage from abandoned wells is estimated to produce significant GHG emissions, equivalent to nearly 75,000 metric tonnes of CO2 per year.
Researchers estimate that greenhouse gas emissions up to 2030 will contribute approximately 1m of sea-level rise by 2300, with the top 5 emitters responsible for around 25% of this increase. Stringent near-term emission reductions are necessary to limit long-term sea-level rise
A new study found that using Napier grass as a nutrient-rich animal fodder can intensify small-scale dairy farming while reducing greenhouse gas emissions. The research modelled the impact of three scenarios for feeding diets to dairy cows in Kenya, and found that only the Napier grass diet reduced overall emissions by 2.5%.
A computational model using AI identifies optimal hydropower dam sites in the Amazon basin to minimize greenhouse gas emissions. The analysis found that dams built at high elevations tend to have lower emissions per unit of power output.
Researchers found that plant-forward diets can significantly reduce greenhouse gas emissions and water use, with even a two-thirds vegan diet having lower impacts than traditional lacto-ovo vegetarian diets. The study's findings emphasize the need for country-specific dietary shifts to address climate and nutrition crises.
The Soviet Union's collapse led to a significant decrease in greenhouse gas emissions due to decreased meat consumption and abandonment of cultivated land. This resulted in a reduction of around 7.61 billion tons of carbon dioxide equivalent emissions from 1992 to 2001.
Researchers investigated uncertainty in greenhouse gas emissions estimates, highlighting seven key issues that dominate current understanding. They emphasized the need for a holistic systems view and communicating uncertainties to policymakers and the public.
A new study found that some countries' Paris Climate Agreement pledges may not be as ambitious as they appear due to inconsistencies in transparency. The researchers analyzed pledges by categorizing them into four categories: absolute emission reduction targets, business-as-usual reductions, emission intensity reductions, and pledges w...
A recent study found that incorporating physical activity into daily life through walking and cycling can significantly improve population health. The research estimates health gains ranging from 1.61 to 25.43 QALYs per 1000 people, with healthcare cost savings up to $2.1 billion over the remaining lifespan.
A recent NYC ridesharing study found a significant increase in trips originating from outer borough neighborhoods, with 56% of market share. This surge raises concerns about equity, as these areas are often underserved by public transit and traditional taxi services.
Research from NTNU and others finds that some climate change mitigation strategies may increase land use and water consumption, offsetting potential emissions reductions. The study suggests a shift towards sustainable lifestyles and limited consumption could be more effective in reducing greenhouse gas emissions.
A new study found that post-Soviet changes in food systems resulted in a net emissions reduction of 7.61 gigatons of carbon dioxide equivalents from 1991 to 2011. This decrease was mainly due to the decline in domestic livestock production and soil organic carbon sequestration on abandoned cropland, particularly in Russia and Kazakhstan.
Researchers tested different soils' responses to multiple biochar types but found no significant impact on plant growth. However, biochar did affect soil greenhouse gas emissions. The study's findings suggest that using biochar as an additive could prevent microbe-generated greenhouse gas emissions.
A new study predicts that Greenland's ice sheet could lose up to 25% of its ice by 3000, contributing up to 6.5 feet of sea level rise if greenhouse gas emissions are cut significantly.
A study predicts that operating costs for US state parks will surpass state budgets by the middle of the century due to increasing visitor numbers. Climate change may exacerbate this trend, with some scenarios suggesting a 756% increase in operating costs under one scenario.
A new study warns that Colombia's rice production may shift to higher altitudes without climate action, with potential losses of 4.4 million hectares of arable land by the 2050s. The research highlights the need for complex decisions on land-use change and crop cultivation to ensure food security.
Researchers at the University of Oxford confirm that human-induced factors such as greenhouse gas emissions and particulate pollution are responsible for long-term changes in global temperature. The study finds no evidence to support the idea that slow-acting ocean cycles drive climate fluctuations.
By 2060, rural Northeast counties will experience record-breaking heat for three weeks a year, with those in low-income areas most affected. The study finds that vulnerable counties will see a decline in population while the poor population grows, highlighting the need for heat adaptation strategies.
Researchers discovered that small farm dams in Canada are unexpectedly absorbing nitrous oxide, a potent greenhouse gas. This finding suggests that these nutrient-rich waterbodies could be used to reduce agricultural emissions.
A Northwestern University study concludes that human-caused climate change played only a minor role in the city's record-breaking air pollution event. Researchers suggest that reducing greenhouse gas emissions can greatly improve air quality and mitigate health problems, making it a win-win for public health and the environment.
A new study found that reducing meat consumption could cut greenhouse gas emissions by the most, while also increasing use of animal byproducts. By combining various strategies such as eliminating waste and finding uses for byproducts, researchers estimate a 43% reduction in emissions from the meat supply chain.
A new study assesses the environmental sustainability impacts of flying cars and finds that they could outperform ground-based cars for longer trips. For trips over 100 kilometers, fully loaded VTOLs carrying a pilot and three passengers had lower greenhouse gas emissions than gasoline vehicles.
A new report found that white individuals produce an average of 680 kg of carbon dioxide per year from their food choices, while Latinx individuals produce 640 kg and blacks produce 600 kg. White diets require 7% more water than Latinx diets due to higher consumption of resource-intensive foods.
Researchers at Newcastle University found that balancing sustainability objectives is a complex challenge. The 'best case' scenario for London involves concentrating development in central areas to reduce flood risk, transport emissions, and urban sprawl, but this comes at the cost of exposing more people to extreme temperatures.
Scientists have discovered anaerobic ammonium-oxidizing bacteria that directly use nitric oxide to grow, producing harmless dinitrogen gas instead of potent greenhouse gas nitrous oxide. This finding has significant implications for our climate and the earth's nitrogen cycle.
International study finds sushi consumers willing to try crickets and beetles, gateway food theory holds true. Edible insect consumption linked to increased openness to new foods.
A PSU study suggests that eliminating coal as an energy source could help the US reduce greenhouse gas emissions to meet its Paris Climate Agreement goals. The researchers propose an energy portfolio based on natural gas, efficiency, wind, solar power, and biofuels, with nuclear power also considered.
A Washington State University team is developing an ultra-high performance cementitious composite grout to encapsulate solid secondary waste at the Hanford Site. The grout uses industrial byproducts like coal ash and steel slag to reduce costs and environmental impact.
A recent study by KIT and University of Edinburgh finds that previous measures to reduce greenhouse gases through land use change are insufficient to meet the Paris Agreement's climate goals. The study suggests that countries must find quick, yet realistic solutions to sustainably change human land use to mitigate climate change.
A new model developed by the University of Illinois predicts how ground shipping will affect future human health and the environment. The study found that a carbon tax could lead to a 24% reduction in greenhouse gas emissions, while enforcing truck fleet maintenance could cut particulate emissions by one-third by 2050.
A new study by Carnegie Mellon University researcher Edson Severnini found that environmental regulations aimed at preserving ecosystems may have encouraged the substitution of dirtier fuels for hydropower in electricity generation. The study estimates that each megawatt of fossil fuel power-generating capacity added to the grid due to...