Current Greenhouse Gas Emissions News and Events | Page 25

Current Greenhouse Gas Emissions News and Events, Greenhouse Gas Emissions News Articles.
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Nature might be better than tech at reducing air pollution
Adding plants and trees to the landscapes near factories and other pollution sources could reduce air pollution by an average of 27 percent, new research suggests. The study shows that plants -- not technologies -- may also be cheaper options for cleaning the air near a number of industrial sites, roadways, power plants, commercial boilers and oil and gas drilling sites. (2019-11-06)

Carbon dioxide capture and use could become big business
Capturing carbon dioxide and turning it into commercial products, such as fuels or construction materials, could become a new global industry, according to a study by researchers from UCLA, the University of Oxford and five other institutions. (2019-11-06)

HKU astronomy research team unveils one origin of globular clusters around giant galaxies
A study led by Dr Jeremy Lim and his Research Assistant, Miss Emily Wong, at the Department of Physics of The University of Hong Kong (HKU), utilizing data from the Hubble Space Telescope, has provided surprising answers to the origin of some globular clusters around giant galaxies at the centers of galaxy clusters. (2019-11-05)

China meets ultra-low emissions in advance of the 2020 goal
Scientists from the Academy of Mathematics and Systems Science (AMSS) of the Chinese Academy of Sciences (CAS), along with other collaborators, recently revealed that China's coal-fired power plants met ultra-low emission (ULE) standards ahead of schedule and also achieved substantial emission reductions between 2014 and 2017. (2019-11-05)

Scientists declare climate emergency, establish global indicators for effective action
A global coalition of scientists says 'untold human suffering' is unavoidable without deep and lasting shifts in human activities that contribute to greenhouse gas emissions and other factors related to climate change. (2019-11-05)

Declaration of a climate emergency and next steps for action
Scientific consensus concerning climate change is well established, but action has been slow to follow. Writing in BioScience, a worldwide coalition of scientists led by William J. Ripple and Christopher Wolf, both with Oregon State University, describe graphical indicators related to climate change and six areas they highlight as requiring prompt action. (2019-11-05)

World scientists declare climate emergency
A global coalition of scientist from more than 153 countries has declared a global climate emergency and outlined six clear steps to reduce the impact of climate change. (2019-11-05)

Satellite tracking shows how ships affect clouds and climate
By matching the movement of ships to the changes in clouds caused by their emissions, researchers have shown how strongly the two are connected. (2019-11-05)

Palm oil: Less fertilizer and no herbicide but same yield?
Environmentally friendlier palm oil production could be achieved with less fertilizer and no herbicide, while maintaining profits. These are the encouraging preliminary results of the first two years of a large-scale oil palm management experiment by an international team of researchers led by the University of Göttingen. The research was published in Frontiers in Forests and Global Change. (2019-11-05)

On the road to Paris: The shifting landscape of carbon dioxide reduction
Carnegie Mellon University researchers have found that current forecasts call for the US electric power sector to meet the 2020 and 2025 CO2 reduction requirements in the Paris Agreement--even though the US has announced its withdrawal--and also meet the 2030 CO2 reduction requirements contemplated by the Clean Power Plan--even though it has been repealed. (2019-11-05)

The truth behind the Paris Agreement climate pledges
The Truth Behind the Climate Pledges, a report by world-class scientists including former IPCC chair Sir Robert Watson, says almost three-fourths of 184 voluntary pledges made under the 2016 Paris agreement are inadequate to slow climate change. Only 36 of the commitments aim to reduce emissions by 40% or more by 2030. (2019-11-05)

Thousands of new globular clusters have formed over the last billion years
A discovery made by prestigious researchers including Thomas Broadhurst, the professor at the UPV/EHU's Department of Theoretical Physics and History of Science, has been recently published by the journal Nature Astronomy. Globular clusters, which have been forming over the last billion years, have been found to exist around the giant galaxy at the centre of the Perseus cluster. (2019-11-04)

Scientists create 'artificial leaf' that turns carbon into fuel
Scientists have created an 'artificial leaf' to fight climate change by inexpensively converting harmful carbon dioxide (CO2) into a useful alternative fuel. (2019-11-04)

Lost trees hugely overrated as environmental threat, study finds
Cutting down trees inevitably leads to more carbon in the environment, but deforestation's contributions to climate change are vastly overestimated, according to a new study. (2019-11-04)

Invasive species short-circuiting benefits from mercury reduction in the Great Lakes
According to a new study published today in the Proceedings of the National Academy of Sciences, 40 years of reduced mercury use, emissions, and loading in the Great Lakes region have largely not produced equivalent declines in the amount of mercury accumulating in large game fish. (2019-11-04)

Just 15 years of post-Paris emissions to lock in 20 cm of sea level rise in 2300: study
Unless governments significantly scale up their emission reduction efforts, the 15 years' worth of emissions released under their current Paris Agreement pledges alone would cause 20 cm of sea-level rise over the longer term, according to new research published today in the Proceedings of the National Academy of Sciences by researchers at Climate Analytics and the Potsdam Institute for Climate Impact Research (PIK). (2019-11-04)

Sea levels to continue rising after Paris agreement emission pledges expire in 2030
Sea levels will continue to rise around the world long after current carbon emissions pledges made through the Paris climate agreement are met and global temperatures stabilize, a new study indicates. (2019-11-04)

Satellites are key to monitoring ocean carbon
Satellites now play a key role in monitoring carbon levels in the oceans, but we are only just beginning to understand their full potential. (2019-11-03)

Science snapshots from Berkeley Lab
New at Berkeley Lab: Gamers can help speed up biomedical research by designing protein structures with a shape modeling game called Foldit, experiments show dramatic changes in the gut microbiome after switching between raw and cooked foods, and a new porous material can pull an industrial pollutant from the air. (2019-11-01)

How the Aztecs could improve modern urban farming
Highly intensive production systems with low resource demand are a strategic goal of urban agriculture developers. Research was conducted to determine the extent to which an ancient Aztec agricultural technique could benefit 21st century horticultural needs. (2019-11-01)

Oil and gas wastewater used for irrigation may suppress plant immune systems
A new Colorado State University study gives pause to the idea of using oil and gas wastewater for irrigation. The CSU team conducted a greenhouse study using produced water to irrigate common wheat crops. Their study, published in Environmental Science and Technology Letters, showed that these crops had weakened immune systems. (2019-10-31)

Harmful emissions from traffic, trucks, SUVs: New national air pollution report
Almost one third of Canadians live near a major road -- and this means they go about their everyday lives exposed to a complex mixture of vehicle air pollutants. A new national study led by University of Toronto Engineering researchers reveals that emissions from nearby traffic can greatly increase concentrations of key air pollutants, with highly polluting trucks making a major contribution. (2019-10-30)

Traffic exhaust at residential address increases the risk of stroke
High levels of traffic exhaust at one's residence increases the risk of stroke even in low-pollution environments, according to a study by researchers at Karolinska Institutet and other universities in Sweden. The study, published in the journal Environmental Health Perspectives, suggests that it is mainly black carbon from traffic exhaust that increases the risk for stroke, and not particulate matter from other sources. (2019-10-30)

Simulations explain giant exoplanets with eccentric, close-in orbits
As planetary systems evolve, gravitational interactions between planets can fling some of them into eccentric elliptical orbits around the host star. Smaller planets should be more susceptible to this gravitational scattering, yet many gas giant exoplanets have been observed with eccentric orbits. In fact, the planets with the highest masses tend to be those with the most eccentric orbits. A new study explains these counter-intuitive observations. (2019-10-30)

Carbon bomb: Study says climate impact from loss of intact tropical forests grossly underreported
A new study in the journal Science Advances says that carbon impacts from the loss of intact tropical forests has been grossly underreported. (2019-10-30)

Intact forest loss 'six times worse' for climate
The impact of losing intact tropical forests is more devastating on the climate than previously thought, according to University of Queensland-led research. The international study has revealed between 2000 and 2013 the clearance of intact tropical forests resulted in a much higher level of carbon being emitted to the atmosphere than first believed -- resulting in a 626 per cent increase in the calculated impact on climate. (2019-10-30)

Two million-year-old ice provides snapshot of Earth's greenhouse gas history
Two million-year old ice from Antarctica recently uncovered by a team of researchers provides a clearer picture into the connections between greenhouse gases and climate in ancient times and will help scientists understand future climate change. (2019-10-30)

Astronomers catch wind rushing out of galaxy
Study's findings provide direct evidence for the first time of the role of galactic winds -- ejections of gas from galaxies -- in creating the circumgalactic medium (CGM). (2019-10-30)

Where to install renewable energy in US to achieve greatest benefits
A new Harvard study shows that to achieve the biggest improvements in public health and the greatest benefits from renewable energy, wind turbines should be installed in the Upper Midwest and solar power should be installed in the Great Lakes and Mid-Atlantic regions. (2019-10-29)

Human activities boosted global soil erosion already 4,000 years ago
Soil erosion reduces the productivity of ecosystems, it changes nutrient cycles and it thus directly impacts climate and society. An international team of researchers, including Professor Pierre Francus at the Institut National de la Recherche Scientifique (INRS), recorded temporal changes of soil erosion by analyzing sediment deposits in more than 600 lakes worldwide. They found that the accumulation of lake sediments increased significantly on a global scale around 4,000 years ago. (2019-10-29)

New AI deep learning model allows earlier, more accurate ozone warnings
Researchers from the University of Houston have developed an artificial intelligence-based ozone forecasting system, which would allow local areas to predict ozone levels 24 hours in advance. (2019-10-29)

The use of sugarcane straw for bioenergy is an opportunity, but there are pros and cons
Brazilian researchers calculated the amount of nutrients in sugarcane leaves, which are normally left on the ground after harvest, and the equivalent in fertilizer required to maintain crop yield if the straw is removed. (2019-10-29)

Climate engineering: International meeting reveals tensions
At this point, the greatest danger of climate engineering may be how little is known about where countries stand on these potentially planet-altering technologies. Who is moving forward? Who is funding research? And who is being left out of the conversation? (2019-10-28)

Mountain streams emit a surprising amount of CO2
For the first time, an EPFL-led team of scientists has measured the total amount of CO2 emissions from mountain streams worldwide. This research published in Nature Communications builds on findings issued in February 2019 and shows how important it is to include mountain streams in assessments of the global carbon cycle. (2019-10-25)

Model predicts relaxed energy policies plus climate change could worsen US air quality
The Trump administration rolled back the Clean Power Plan in June 2019. The policy aimed to limit power plants' carbon emissions. In addition to the potential impacts on climate change, researchers reporting Oct. 25, 2019, in the journal One Earth find that relaxing US energy regulations would lower air quality by increasing emissions of health-damaging ozone. (2019-10-25)

China's carbon emissions growth slows during new phase of economic development
Scientists from from the Academy of Mathematics and Systems Science, together with collaborators, recently revealed that China's annual carbon emissions growth declined significantly from 10% during the 2002-2012 period to 0.3% during the period from 2012-2017. (2019-10-25)

Energy regulation rollbacks threaten progress against harmful ozone
The fight against harmful ozone is under legal threat. Air quality and carbon emissions regulations are currently in limbo in courts and congress, from core legislation from the 1970s to rules from the last US administration. This study models the future losses in the fight to drive down respiratory-damaging ozone if the regulations go away. (2019-10-25)

MIT engineers develop a new way to remove carbon dioxide from air
A new way of removing carbon dioxide from a stream of air could provide a significant tool in the battle against climate change. The new system can work on the gas at virtually any concentration level, even down to the roughly 400 parts per million currently found in the atmosphere. (2019-10-25)

Stanford study casts doubt on carbon capture
Current approaches to carbon capture can increase air pollution and are not efficient at reducing carbon in the atmosphere, according to research from Mark Z. Jacobson. (2019-10-25)

Finally, the answer to a 'burning' 40-year-old question
New research from Lehigh University describes the mechanism behind catalysis that neutralizes air-polluting NOx from power plant emissions. Israel Wachs, G. Whitney Snyder Professor of Chemical and Biomolecular Engineering, and collaborators used a High Field (HF) Nuclear Magnetic Resonance (NMR) spectrometer in conjunction with reaction studies to test three theories around titania-supported vanadium oxide. They found that tungsten oxide changes the structure of vanadium oxide from a less active form to a highly active form. (2019-10-24)

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