Articles tagged with Carbon Emissions
A McGill University research team finds that Quebec's carbon-pricing policy likely has a modest cost burden on households and industries. The program aims to reduce greenhouse-gas emissions while minimizing economic disruption.
Climate researchers have calculated regional temperature increases based on a global 2-degree target, revealing clear-cut effects and limitations. The study provides valuable tool for politicians, decision-makers, and civilians to understand the importance of reducing CO2 emissions.
A new process has been developed to isolate high-quality single-walled carbon nanotubes with minimal damage and at high purity. The technique uses supramolecular hydrogen-bonding polymers to sort nanotubes according to their structure and length, enabling precise customization for optoelectronic devices.
Researchers at the University of New South Wales found that high CO2 concentrations can cause fish to become disoriented and lose their sense of direction. The study predicts that by 2100, up to half of the world's surface oceans will experience episodes of hypercapnia, with devastating effects on marine ecosystems.
A team of scientists has quantified deep carbon emissions associated with the East African Rift, revealing a significant source of CO2. The study found that faults along the rift act as permeable pathways for deeply-derived CO2, suggesting a previously unrecognized role in global climate change.
New research suggests that reducing beef production in Brazil could lead to higher global greenhouse gas emissions due to the need for farmers to recover degraded pastures and boost cattle productivity. This would potentially lower emissions by storing more carbon in the soil.
Volatile organic compounds protect plants from stress, attract insects for pollination and seed dispersal, and send warning signs to neighbor plants and animals. Plant VOC emissions contribute significantly to the atmosphere, emitting approximately 600 million tons of carbon annually.
A research team from HKU has developed a strategy to promote plant growth by 38-57% in Arabidopsis thaliana, increasing CO2 absorption and potentially boosting food production. The breakthrough is based on a new gene that modulates energy outputs from chloroplasts and mitochondria.
A research team led by Hong Li at the University of Delaware has found that adding alum to poultry litter can significantly reduce ammonia and greenhouse gas concentrations. This innovation helps control nutrient emissions, conserves energy, and improves animal welfare, making agriculture more sustainable.
A University of Cambridge researcher warns that abandoning carbon capture and storage (CCS) would hinder efforts to reduce carbon emissions. CCS is essential for delivering flexible power and reducing emissions from industrial processes, but funding issues have led to a decline in interest from corporations and governments.
A new study by Stockholm University estimates that northern lakes and ponds are a critical source of methane emissions. The study suggests that these emissions could increase by 20-50% before the end of this century, potentially fueling a positive feedback loop on future warming.
For the first time, scientists have successfully dated carbon dioxide and methane emissions from ponds and lakes on Bylot Island in Nunavut. The study found significant variability in age and emission rates of greenhouse gases from aquatic systems located in a continuous permafrost zone.
Research at the University of Leicester found that carbon emissions from tropical peatlands in Indonesia vary significantly depending on fire type and location. The study revealed that peatlands closer to canals have a higher probability of high-frequency fires, releasing harmful carbon emissions into the atmosphere.
Lakes are warming at an average rate of 0.34 degrees Celsius per decade, posing significant threats to drinking water and aquatic habitats. The study predicts a 20% increase in algal blooms and a 5% rise in toxic algae, with methane emissions projected to rise by 4% over the next decade.
New projections suggest the mean annual ground temperature at the top of permafrost on the North Slope has risen from 17.6 degrees Fahrenheit in 1988 to 28.5 F now, and is expected to reach 32 F by 2100, leading to substantial thawing in certain areas and widespread instability beneath infrastructure.
Researchers at the University of Montana found that current models overpredict plant growth's ability to offset CO2 emissions, suggesting the earth's capacity may be limited. The study highlights the importance of integrating model, satellite, and on-the-ground measurement approaches to improve understanding of plant growth's response ...
A group of 40 climate experts warn that relying on carbon-capture technologies may not be enough to combat global warming. They emphasize the need for swift and aggressive cuts in greenhouse gas emissions to avoid Earth's temperature increasing by more than 2 degrees Celsius.
PolyU researchers develop integrated algorithm to estimate real-time journey time and traffic speed, taking into account uncertainty and on-time arrival probability. The system offers personalized driving routes with enhanced reliability, saving time and petrol for motorists.
Researchers at Umeå University discovered that increased CO2 levels shifted photosynthetic metabolism in plants towards photosynthesis, contributing to global vegetation's ability to dampen climate change. The study used historic plant samples to quantify the impact of atmospheric CO2 levels on plant metabolism.
A Stanford-led study predicts global carbon dioxide emissions from fossil fuels will drop slightly in 2015 due to a decrease in coal use in China. This slowdown contrasts with rapid growth in emissions before 2014 and highlights the need for action to stabilize CO2 emissions.
Global carbon emissions from fossil fuels and industry grew by just 0.6 per cent last year, marking a slowdown. China's decreased coal use is largely responsible for the break in global emissions growth, with emissions projected to decline by 0.6 per cent this year.
A new study suggests that global plant growth is not keeping up with CO2 emissions, contradicting expectations. The research indicates that satellite-based results and model-based estimates diverge due to limitations in water availability and nutrient supply.
Global carbon dioxide emissions from fossil fuels declined by 0.6% in 2015, marking a break from the rapid growth of the past decade. The largest contributor to this decline was a decrease in coal consumption in China, which slowed its emissions growth to 1.2%.
A study by VTT Technical Research Centre of Finland finds that global emissions will continue to increase until 2030 unless drastic reductions are carried out. The countries with the most room for improvement are China and India, highlighting the need for more ambitious targets.
A new study from the University of Michigan found that most economic analyses of carbon capture and storage technology for coal-fired power plants severely underestimates its costs and overestimates its energy efficiency. The researchers conclude that renewable energy sources are likely to be cheaper than reducing carbon emissions from...
Alaska permafrost is projected to decline by 16-24% by 2100 under widely accepted climate scenarios, with more losses expected in central Alaska than northern Alaska. Climate change degrades permafrost, affecting ground and surface water pathways, transportation, and releasing stored carbon.
The report reveals that renewable energy improves the environment and protects human health by reducing greenhouse gas emissions and pollution. However, it also highlights challenges such as material scarcity, recycling issues, and energy penalties from carbon capture and storage systems.
COP21 seeks a universal agreement on climate change, aiming for a 40% reduction in greenhouse gases. The conference will focus on sustainable innovation, including biofuels research development, and encourage public awareness on climate change.
A study finds that CO2 pricing can improve public welfare by investing in infrastructure. The research shows that finance ministers can benefit from this approach, as it yields a positive economic effect. The authors suggest that price targets can be an effective tool for climate policy, particularly for countries like Canada and Chile.
The use of different methods to measure energy sources is a significant issue, affecting global efforts to combat climate change. The disparity in measuring energy statistics can lead to inaccurate targets and progress tracking.
A new study suggests that paying US$11 per trip could eliminate CO2 emissions from tourism, contributing up to five percent of total human-made emissions worldwide. The University of Waterloo-led research proposes a combination of energy-saving and renewable energy initiatives to meet the UN's carbon emission targets.
Researchers found that electric mobility could be a crucial factor in reducing CO2 emissions from transportation, which currently accounts for 23% of global emissions. Improved urban infrastructure policies, such as investing in public transport and bike paths, can also lead to significant reductions in emissions.
The US Forest Service found that forest carbon sequestration may decline overall over the next 25 years, with some regions experiencing a gradual decline and others a rapid decline due to disturbances like fire and insect epidemics.
A new study reveals that many lakes worldwide release large amounts of CO2 into the atmosphere, with northern hemisphere lakes expected to increase emissions due to climate change. The study found that most lake CO2 originates from surrounding land, highlighting the impact of land use changes on greenhouse gas emissions.
Adaptive multi-paddock grazing is a potential option to reduce net greenhouse gas emissions on cow-calf operations. This advanced rotational grazing results in more carbon sequestration and produces higher quality grass that reduces methane production.
The study found that consumers struggled to understand and compare the labels, resulting in no price premium or increased demand for labelled products. The authors suggest a simpler label design could increase consumer awareness and drive more environmentally friendly purchasing decisions.
A new University of Iowa study found that tree planting in the Twin Cities region offsets only one percent of the area's carbon emissions. The research identified 'hotspots' where trees are scarce and carbon generation is high, suggesting targeted tree-planting efforts may help balance carbon supply and demand.
A new study suggests that carbon sequestration in European cropland could store between 9-38 megatons of CO2 per year, but its effectiveness is limited due to potential emissions leakage. The research highlights the need for additional mitigation efforts to achieve global climate goals
A new study finds that the US, EU, and China's pledges to reduce emissions leave little room for other nations, requiring them to adopt drastic reductions. The researchers argue that even if the top emitters fulfill their pledges, global temperatures will rise by around 3C, posing a significant threat to the planet.
A new study projects more extreme weather in the Amazon, with frequent and extensive droughts expected to impact forest structure, biomass, and carbon emissions. The region will experience profound implications for the environment, including increased greenhouse gas emissions.
A new framework reveals how panda conservation efforts in China impact cities worldwide, including economic impacts and greenhouse gas emissions. The study also explores the effects of tourism and conservation on local ecosystems.
Researchers at Aarhus University are working with international partners to find ways to convert CO2 into valuable materials. The goal is to make CO2 a sustainable resource, potentially even using it as a raw material for future manned missions to Mars.
Researchers link Chinese-made goods to higher CO2 emissions due to antiquated manufacturing processes and coal reliance. Developed countries can alleviate carbon pollution by improving manufacturing in China's most polluting regions.
Researchers found significant environmental and public-health benefits from co-firing oat hulls with coal, including 90% reduction in filterable particulate matter. Burning oat hulls also reduced hazardous air pollutants by 41% and heavy metals by 51%.
Researchers find that using liquid natural gas (LNG) in marine vessels can reduce local air pollution, but its impact on greenhouse gases depends on the fuel supply infrastructure. The study suggests that LNG may be a viable alternative to traditional fuels for shipping companies looking to comply with new regulations.
A new study finds that reducing short-lived pollutants like methane and aerosols can substantially improve air quality while also mitigating climate change. The measures, which target the oil and gas industry, could lower global temperatures by up to 0.22°C by 2050 and reduce life expectancy losses due to air pollution.
A new study finds that many forests cannot absorb as much carbon dioxide as projected because of a shortage in vital nutrient nitrogen. This limits the ability of plants to fix carbon, leading to higher net carbon emissions.
A new Harvard study finds that the supply of wind and solar power could be increased tenfold without additional storage, making gas turbines cost-effective carbon mitigation candidates. Low capital cost and good emissions performance also make them a viable alternative to intermittent renewables.
The study predicts that increased greenhouse gas emissions from thawing permafrost will result in significant economic losses. Researchers estimate that the total predicted impact of climate change by 2200 could be as high as $369 trillion, with $43 trillion in additional damage expected by end of century.
The special issue marks the 10th year anniversary of IPCC SRCCS and outlines significant progress made in CO2 Capture and Storage (CCS) in the last decade. The reviews suggest that CCS is now a mature technology, ready for large-scale deployment to combat climate change.
Protected areas in Indonesia have preserved 14,000 hectares of mangrove habitat between 2000 and 2010, avoiding 28% of total mangrove loss. This conservation effort has reduced carbon dioxide emissions by approximately 13 million metric tons annually.
A new study reveals countries with higher per-capita CO2 emissions, like the US and Russia, have accumulated large carbon debts. India is the largest creditor, while Brazil and Indonesia switch from being creditors to debtors due to deforestation and agriculture.
A new policy article suggests that opening up access to power grids, ending fossil-fuel subsidies, and supporting renewable energy technologies can make wind and solar power cheaper. The authors argue that modernizing power grids and ensuring policies related to renewable energy are crucial for reducing emissions.
The world's boreal forests are under pressure from global warming, with rising temperatures and changing conditions threatening their resilience and productivity. The forests play a crucial role in the Earth's climate system, but may switch from being carbon sinks to sources of greenhouse gas emissions if not managed adaptively.
New research has substantially reduced China's estimated carbon emissions from the past decade, suggesting that international agencies had overestimated its cumulative emissions by as much as 2.9 gigatons. The revised estimates were made possible by a more accurate understanding of fuel quality and emission factors.
A team of scientists has quantified the carbon dioxide emitted by US rivers and streams, finding that in-stream respiration may be a larger source than previously thought. The study's findings are crucial for predicting how changes in land use and climate will impact global greenhouse gas emissions.
Researchers found that smaller streams carry CO2 produced by plants on land, while larger streams emit more CO2 through respiration and natural decay. The study sheds light on the role of freshwater rivers in the global carbon cycle.
GCEP has awarded funding to six new projects, including a device that harnesses nighttime radiation and a charcoal-like soil amendment that removes carbon dioxide from the air. These promising technologies have the potential to transform our global energy system in the future, with the aim of reducing greenhouse gas emissions.
Research by Umeå University reveals that streams and rivers release notable amounts of carbon dioxide from organisms' respiratory processes. This finding highlights the importance of understanding these mechanisms in predicting the impact of climate change on greenhouse gas concentrations.
A new UK study predicts that severe droughts could lead to the extinction of six butterfly species by 2050, highlighting the urgent need for climate action. However, reducing greenhouse gas emissions and restoring habitats can greatly improve the chances of drought-sensitive butterflies surviving until at least 2100.