Articles tagged with Greenhouse Gases
Scientists at the University of Texas at Austin have discovered nearly two dozen new types of microbes that use hydrocarbons as energy sources. These microbes may be helping to limit greenhouse gas concentrations in the atmosphere and could potentially clean up oil spills.
A new study proposes a three-step strategy to replace animal proteins with plant-sourced proteins to meet climate targets. The approach aims to reduce greenhouse gas emissions and mitigate the risk of overshooting temperature goals.
A new study reveals that climate change is impacting human health, food supply, infrastructure, and economy through 467 ways, including warming, drought, heatwaves, wildfires, precipitation, floods, and sea level rise. By 2100, the number of hazards occurring concurrently will increase, making it difficult for people to cope.
Researchers found that urban expansion and climate change interact non-linearly, resulting in complex effects on temperature. Heat-mitigating technologies like cool roofs and street trees provide moderate alleviation of temperatures during nighttime hours.
A new study found that meat and dairy products are responsible for 75% of greenhouse gas emissions from EU diets. Reducing consumption of these food groups can help mitigate climate change.
A long-term study reveals that microbes can remove up to 90% of emitted methane, but only after decades. The unique community on the Håkon Mosby mud volcano plays a crucial role in mitigating climate change.
The study analyzed global oil supply data to estimate emissions from flaring and found that it remains the most carbon-intensive part of oil production. Flaring, which involves burning unwanted gas associated with oil extraction, is often used when there are no economically viable outlets for the gas.
Researchers discovered that common plastics emit greenhouse gases methane and ethylene when exposed to sunlight. Polyethylene, the most produced synthetic polymer globally, was found to be the most prolific emitter of these gases.
A new study shows that China's North China Plain, a region with intensive irrigation, is expected to experience deadly heat waves repeatedly, with the risk being significantly increased due to higher humidity. The region faces the greatest risks to human life from rising temperatures, surpassing other global hotspots.
A new study reveals that warming streams and rivers can significantly increase greenhouse gas emissions, particularly in agricultural lowland areas. The research highlights the need for land management strategies to reduce sediment rich in organic matter content and decrease groundwater abstraction.
A new study led by San Francisco State University found that California's cap-and-trade program has not effectively improved air quality for the state's residents. The bulk of GHG reductions occurred outside of California, while in-state emissions increased by 52% between 2013 and 2015.
Researchers found that ancient greenhouse gases were the main driver of climate change during the Eocene period, providing insight into long-term climate drivers. The study used climate models and proxy data to reconstruct temperature trends and found that polar amplification was caused by greenhouse gas forcing.
Researchers used machine learning to improve cloud representation in climate models, which is crucial for predicting global warming and greenhouse gas concentrations. The approach, called Cloud Brain, demonstrates promising results in fully coupled climate models.
A new climate study argues that economic optimization alone is insufficient to avoid the tipping point of critical Earth system elements. The concept of profit maximization can lead to outcomes that harm people or the environment, even with discounted future costs.
A new study suggests that altering US food consumption patterns could significantly reduce greenhouse gas emissions. Households spending more on beef, chicken, and other meats generate higher emissions, while lower-emission diets may disproportionately benefit wealthier households.
Researchers discovered microbes that share a meal by transferring electricity through conductive particles, outcompeting other microorganisms. This unusual partnership results in the production of methane, a potent greenhouse gas, but also holds promise for sustainable biotechnology applications.
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.
A research team from Berkeley Lab tracked a rise in methane's warming effect over 10 years, confirming its importance as a greenhouse gas. The study used highly calibrated measurements to isolate the changing greenhouse effect of methane and found it began to rise in sync with concentrations in 2007.
Researchers at Berkeley Lab analyzed the cost, energy, and environmental implications of a fleet of self-driving electric vehicles operating in Manhattan. They found that shared automated electric vehicles could get the job done at a lower cost while reducing greenhouse gas emissions and energy consumption.
Reducing greenhouse gas emissions would significantly reduce sea level rise globally by the end of the century, especially for coastal cities on the Atlantic and Indian Oceans. Cities like New York, Boston, London, and others would see substantial benefits from emission reductions.
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%.
Research by IIASA researcher Narasimha Rao found that Indian diets can be improved to reduce micronutrient deficiencies while lowering greenhouse gas emissions. The study suggests that adopting a diet rich in coarse cereals, legumes, and green leafy vegetables can boost protein intake and reduce deficiencies.
Researchers have found that water-saturated permafrost soils can produce twice as much methane as dry soils without oxygen, significantly underestimating its role in the climate. The study's findings suggest that thawing permafrost could produce up to 1 gigaton of methane by 2100.
The eastern Mediterranean region will experience a significant change in seasonal duration, with summer lasting six months and winter only two, by the end of this century. Climate changes are expected to cut winter by half, posing major challenges for regional ecosystems and human health.
A new study found that autonomous vehicles can minimize environmental impacts with energy-efficient design and operational benefits outweighing increased energy use from sensors and computers. The study showed a 40% reduction in greenhouse gas emissions for electric powertrains versus internal-combustion engines.
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.
Nearly half of California's natural vegetation is at risk from climate stress, with a study finding that reducing greenhouse gas emissions could lower this number to 21-28 percent. The research also highlights areas that are more resilient to climate change, such as some coastal regions and parts of northwestern California.
Researchers at the University of Manchester found that sandwiches with pork, cheese, or prawns have the highest carbon emissions, while homemade sandwiches can reduce emissions by a half. The study suggests extending sell-by dates and reducing ingredients like cheese and meat to minimize waste.
The study found that extreme weather events worldwide coincided with the temperature spike, and natural variability in the climate system was not sufficient to explain it. Researchers projected that record-breaking temperature jumps and accompanying extreme weather events will become more frequent unless greenhouse gas emissions decline.
Researchers at University of Wisconsin-Madison have developed an economical and high-yielding way to produce furandicarboxylic acid (FDCA), a critical chemical for making renewable plastics.
A comprehensive study found that wind and solar energy have lower indirect greenhouse gas emissions compared to fossil-based technologies. The researchers' findings suggest that a full decarbonization of the global power sector is achievable with these clean energy sources, resulting in modest indirect greenhouse gas emissions.
According to a new study from the University of Pennsylvania, local efforts in residential housing and transportation can significantly reduce CO2 emissions. The researchers found that adopting energy-conservation standards in housing could reduce emissions by 31-46% by 2030, while a fuel-economy standard of 40 mpg could reduce transpo...
A new study reveals that cities can significantly reduce their greenhouse gas emissions by addressing upstream activities such as housing and transportation. By choosing low-carbon construction materials and renewable energy sources, cities can drastically decrease their indirect CO2 emissions. This approach offers local policymakers m...
Global CO2 emissions have stalled for the third consecutive year, with fossil carbon dioxide emissions slowing down since 2012. Meanwhile, methane and nitrous oxide emissions continue to rise, driven by agricultural activities and industrial production in key countries like China, US, and India.
A recent study by the University of Bristol found that India's methane emissions have shown little growth over the last few years, with accurate reporting by the country's authorities. The research used a combination of observations from the surface, an aircraft, and a satellite to quantify India's methane emissions.
A new study shows the Montreal Protocol significantly reduced US greenhouse gas emissions from 2008 to 2014, equivalent to 170 million tons of CO2 annually. The treaty's impact on climate-altering gases was a major side benefit of reducing ozone-depleting substances.
Global warming is expected to impact subtropical anticyclones differently in the Northern and Southern Hemispheres. In the North, the subtropical anticyclone over the South Atlantic will weaken, while those over the North Pacific and South Pacific will strengthen.
A new study from Lund University found that four actions have the greatest impact on reducing greenhouse gas emissions: a plant-based diet, avoiding air travel, living car-free, and having smaller families. These actions can save up to 2.4 tonnes of CO2 equivalent per year.
International research team discovers extremely low-oxygen regions in Atlantic Ocean, producing high levels of nitrous oxide. The phenomenon was previously unknown and had escaped research due to the small size and mobility of these eddies.
A new analysis of urban agriculture in the northeastern US found that it provides limited environmental benefits, with a 1.1-2.9% reduction in food-related carbon emissions. Minimizing meat and dairy purchases is recommended for consumers seeking to lower their footprint.
A new UNLV study published in Nature Geoscience has found evidence of nearly continuous warming in the Ural Mountains in central Russia over the past 11,000 years. This contradicts previous work that focused on summer temperature trends and supports computer models predicting continual warming.
A study published in Energy & Environmental Science found that second-generation biofuels made from managed trees and perennial grasses may provide a sustainable fuel resource. The research demonstrated an 80% reduction in greenhouse gas emissions relative to petroleum diesel.
Researchers argue that current measurements like global warming potential mask the effects of greenhouse gases over different timescales. A new approach recognizing both 20- and 100-year time scales could provide clarity to climate change policy analyses and avoid misleading debates.
Researchers have successfully triggered a chemical reaction in synthetic material that breaks down carbon dioxide into harmless organic materials, producing solar fuel. This process has great potential for reducing greenhouse gases linked to climate change.
Researchers at the Met Office Hadley Centre found that aggressive emission reductions can reduce the risk of extreme seasonal temperatures by half within 20 years. This study challenges previous assumptions that most benefits of mitigation would be delayed until later in the century.
A new study by CU Boulder researchers shows the Barnes Ice Cap on Baffin Island will melt in about 300 years due to a rapid warming climate. The ice cap, which is still 500 meters thick, has never been this small in the past 2.5 million years.
A new study projects significant increases in extreme sea levels along Europe's coasts by 2100, threatening millions of people with annual flooding. The research predicts that 5 million Europeans could face the risk of coastal flooding every year if greenhouse gas emissions continue to rise.
A study published in Scientific Reports found that water temperatures generally remain low despite rising air temperatures, helping to curb greenhouse gas emissions. The research, conducted by Uppsala University, involved nearly 3,500 schoolchildren taking measurements and samples from lakes across Sweden.
A University of Sheffield study found that fertilizers used in wheat cultivation contribute significantly to greenhouse gas emissions, dwarfing other production processes. The research highlights the need for sustainable solutions to reduce environmental impacts and promote food security.
A report by PSE Healthy Energy projects that new Marcellus development will nearly double natural gas production and increase greenhouse gas emissions by tripling. The report forecasts thousands of new natural gas wells, which will drive a second drilling boom in Pennsylvania.
Scientists at UMD developed an empirical model of global climate to analyze the Paris Agreement, suggesting countries can limit warming if they achieve pledged greenhouse gas reductions. The book, Paris Climate Agreement: Beacon of Hope, recommends a transition to renewable energy by 2060 to meet the RCP 4.5 scenario.
New research indicates that the US will see a ratio of 15:1 record highs to lows by 2065 due to increased greenhouse gas emissions. The study suggests that temperatures are expected to rise by around 3 degrees C over the continental US, leading to more frequent record-breaking heatwaves.
Researchers have identified specific attributes that characterize high-emitting abandoned oil and gas wells, allowing governments to prioritize their repairs. By leaving non-emitting wells alone, states can eliminate the majority of emissions while minimizing costs.
Research reveals reservoirs as a substantial yet often unrecognized source of greenhouse gas emission. Dr. Bridget Deemer and her colleagues' findings in BioScience point to the significant environmental impact of dammed waters on the atmosphere.
A comprehensive dataset has been developed to support consumers and catering organizations in calculating the impact of their ingredients and menus on greenhouse gas emissions. The league table ranks food categories from lowest to highest carbon footprint, providing a clear hierarchy for informed decision-making.
The study reveals that wastewater treatment plants emit an overlooked source of carbon dioxide, which could increase global greenhouse gas emissions by 12-23 percent. Treating wastewater sludge with on-site carbon sequestration and renewable energy could help reduce fossil carbon emissions from these plants.
A new study published in Geophysical Research Letters attributes the 2015 West Coast record-low snowpack to unusually high temperatures, not low precipitation. The researchers used a crowd-sourced supercomputer to analyze data and found that greenhouse gases contributed strongly to the risk of snow droughts in Oregon and Washington.
A new study by UC Santa Barbara researchers found that converting lawns to vegetable gardens can reduce greenhouse gas emissions. The study modeled the effect of household gardens on emissions, finding a reduction of 2 kilograms for every kilogram of homegrown vegetables compared to store-bought counterparts.
A new study published in Climate Dynamics suggests that early-onset spring models may indicate a 'nightmare' for agriculture in the affected regions. The analysis of climate model data shows an increased frequency of nearly one in every three years by the end of this century.
A recent study challenges the assumption that biofuels are carbon neutral, finding a net increase in CO2 emissions from their use in the US. The research suggests that crop-based biofuels like corn ethanol and biodiesel offer only modest reductions in greenhouse gas emissions.