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of the human-made climate impact; two-thirds of this impact are caused by emissions other than CO 2 , according to a new study by researchers in Europe and the US. The study was published in the journal Atmospheric Environment. This new study is based on a thorough review of a decade of research on aviation emissions.
A study led by Norwegian climate center CICERO has found that the global warming effect of leaked hydrogen is almost 12 times stronger than that of CO 2. The climate effects of hydrogen have been an under-researched topic. The climate effects of hydrogen have been an under-researched topic. Sand et al. Sand et al.
The team combined extensive sea and land surface temperature reconstructions from the Last Glacial Maximum (LGM) with a climate model of intermediate. complexity to estimate the equilibrium climate sensitivity for a doubling of atmospheric carbon dioxide concentrations (ECS 2xC ) from. preindustrial times. preindustrial times.
The feasibility, scalability and innovativeness of this concept were confirmed by scientists from RWTH Aachen University in a study commissioned by thyssenkrupp Steel at the beginning of 2021. In this way, thyssenkrupp is accelerating the start of low-CO2 steel production. With its capacity of 2.5
The analysis, published in Nature Climate Change , was conducted by researchers from the University of East Anglia, Stanford University, the CICERO Center for International Climate Research and CSIRO as part of the Global Carbon Project. This research is supported through funding from the Earth Systems and Climate Change Hub of the?Australian
A recent study by an international team calculated that shipping causes a net cooling of climate across all parametrizations of the indirect aerosol effect (IAE) and scenarios throughout the period 1900?2050. A recent study commissioned by the International Maritime Organization (IMO) estimated total emissions of 1046 Tg CO 2 yr ?1
Some will suffer greatly from climate change, while others may even benefit. A study by University of Chicago economist Esteban Rossi-Hansberg, the Glen A. Its implementation requires transfers from the regions that are less affected, or positively affected, by CO2 emissions to the countries that are negatively affected.
the distribution of black carbon in the atmosphere and determine its role in the climate system. Black carbon (BC) is the second largest man-made contributor to global warming and its influence on climate has been greatly underestimated, according to the first quantitative and comprehensive analysis of this pollutant’s climate impact.
The study highlights the continued use of private jets last year despite the pandemic. And yet, super-rich super polluters are flying around like there’s no climate crisis. T&E points out however, that private jet owners, who have an average wealth of €1.3 One operator reported an 11.3% —Andrew Murphy, Aviation Director at T&E.
Aviation climate change impacts pathway. A new study by researchers at MIT has found that factoring the non-CO 2 combustion emissions and effects into the lifecycle of a Synthetic Paraffinic Kerosene (SPK) aviation fuel can lead to a decrease in the relative environmental merit of the SPK fuel compared to conventional jet fuel.
His paper, Kreutz noted, is only a preliminary scoping study designed to sketch out the rough outlines of each system’s prospective performance and economics as related primarily to GHG. Kreutz used what he called a bifurcated climate regime—i.e., Note that the climate benefit is independent. short, large supplies of CO 2.
Although a lightweight steel vehicle has a lower production phase environmental impact, those initial gains are erased by higher energy use and carbon emissions during the steel vehicle’s use phase, the study found. The modeling for this study conforms to internationally recognized standard practices (ISO 14040 and 14044).
In a paper that could have a significant impact on climate policies for transportation fuels, Dr. John M. Such an approach can indicate policy directions consistent with fostering the conditions that comprehensive analyses imply are necessary for climate protection. DeCicco 2013. Click to enlarge.
of global CO2 emissions. Depending on future development, this could rise to 15% by 2050, according to a 2016 study by the Danish Shipowner’s Association (DSA) and UCL Energy Institute. In 2019, Maersk is planning to initiate open and collaborative dialogue with all possible parties to tackle climate change.
The technical and macro-economic study, commissioned by the European Climate Foundation, focuses on light-duty vehicles. The Phase I study assesses two scenarios against a reference case in which vehicle efficiency is frozen at the current level. The project is taking a phased approach.
Current emissions of anthropogenic greenhouse gases (GHGs) have already committed the planet to an increase in average surface temperature by the end of the century that may be above the critical threshold for tipping elements of the climate system into abrupt change with potentially irreversible and unmanageable consequences, the authors write.
Given increasing emissions of CO 2 and the subsequent increased absorption by the oceans, ocean acidity could increase by 150% by 2050, according to a major new review and synthesis study released by the Secretariat of the Convention on Biological Diversity (CBD). —Scientific Synthesis of the Impacts of Ocean Acidification.
Based on the radiative forcing obtained in this study, the potential emitted CO 2 offset for a 0.25 Increasing urban albedo is something that should be done now to buy time for implementing other near-term and long-term climate mitigation strategies. increase in albedos of roofs and pavements in urban areas is about 57 Gt of CO 2.
Joe Galliani Selected As Climate Leader Just As Global Warming Reaches Tipping Points. I have no illusions that what I’m doing is so important or vital that it makes up for the climate damage my flights are responsible for. But I’m not going to stop. First staff job I’ve had since 1982.
According to a new study by Bosch, the use of e-fuels—synthetic fuels based on renewable energy—in Europe by 2050 as a scheduled supplement to electrification could save up to 2.8 Achieving our future climate targets calls for other intelligent solutions apart from electromobility. Bottom: Fuel pathways. Source: Bosch.
The Administration said the United States will submit its 2025 target to the Framework Convention on Climate Change as an “Intended Nationally Determined Contribution” no later than the first quarter of 2015. This CCUS project with Enhanced Water Recovery will eventually inject about 1 million tons of CO2 and create approximately 1.4
Global carbon dioxide emissions show no sign of abating and may reach record levels in 2010, according to a study led by the University of Exeter (UK). The study, which also involved the University of East Anglia (UK) and other global institutions, is part of the annual carbon budget update by the Global Carbon Project. Resources.
Selling plug-in hybrids makes it easier for carmakers to meet their EU car CO2 standards as PHEVs are currently given additional credits. Even the Outlander’s manual states that the engine may start if the PHEV system is too hot or too cold, if quick acceleration is applied, or if the air conditioning is operating.
This project aims to make advancements in Li-CO 2 batteries with a focus on screening efficient cathode electrocatalysts and studying reaction mechanisms. This project proposes a versatile screening and in situ characterization platform for rapid screening of highly efficient electrocatalysts and in-depth studying of reaction mechanisms.
Increased availability of low CO 2 sources of electricity and hydrogen could counter-intuitively delay, rather than accelerate, a large-scale transition to an electric and/or hydrogen vehicle fleet, according to a new study by researchers from Ford Motor Company and Chalmers University of Technology in Sweden. Wallington et al. Resources.
The data suggest that a shift to algae-derived gasoline could have immediate climate benefits even using existing technologies, the authors noted. In the study, the team used data collected at the Sapphire Energy pilot facilities in Columbus and Las Cruces, NM (Benjamin Saydah of Sapphire is one of the authors of the paper).
Countries seeking to meet Paris Agreement targets on CO 2 emissions must get a grip on the amount of pollution produced at city level, according to a new open-access study published in S cience Advances by an international team of researchers from Europe and China. —Prof Guan. 6, eaaq0390 doi: 10.1126/sciadv.aaq0390.
Extending, not shortening, the lifetime of a vehicle helps to reduce life-cycle CO 2 emissions throughout the supply chain, according to a new study based on a case study of Japanese vehicle use during the 1990-2000 period published in the ACS journal Environmental Science & Technology. Credit: ACS, Kagawa et al. Click to enlarge.
The study by Nadine Unger, Drew Shindell and James Wang will appear in an upcoming issue of the journal Atmospheric Environment. The study applied the NASA Goddard Institute for Space Studies (GISS) model for Physical Understanding of Composition-Climate INteractions and Impacts (G-PUCCINI). Unger et al. Unger et al.
Researchers at the Institute of Environmental Sciences at Leiden University, The Netherlands) have concluded that the energy demand and climate impacts of using CO 2 to produce synthetic hydrocarbon fuels by using existing technologies can be greater than the impacts of existing hydrocarbon fuels. Credit: ACS, van der Giesen et al.
and the remainder (30 to 40%) from burning fossil fuels, such as coal, to heat the kiln reactors to ~900°C.Here we show a new thermal chemistry, based on anomalies in oxide solubilites, to generate CaO, without CO2 emission, in a high throughput, cost effective, environment conducive to the formation of cement. —Licht et al.
The study was published online 24 May in the ACS journal Environmental Science & Technology. The study examined the fuel-cycle CO 2 , SO 2 , and NO x emissions of EVs in China in both current (2008) and future (2030) periods and compared them with those of conventional gasoline vehicles and gasoline hybrids. Credit: ACS, Huo et al.
The committee cited recent studies showing that manufacturers have exploited weaknesses in today’s procedure for testing vehicles’ environmental performance, with the result that official consumption and emission figures are far from those achieved in everyday driving conditions. Climate Change Emissions Europe Fuel Efficiency Policy'
A new study based on deep-sea sediment cores, published in the journal Nature , has found that during the Miocene period ~12–5 million years ago, climate was decoupled from atmospheric carbon dioxide concentrations. It’s a surprising finding, given our understanding that climate and carbon dioxide are strongly coupled to each other.
A study by researchers at the UK’s Hadley Centre Met Office concludes that the large scale use of the energy crop Miscanthus x giganteus , a perennial grass, could effectively reduce the dependence on fossil fuels, with a best estimate scenario resulting in a reduction in the atmospheric concentration of CO 2 by 162 ppmv by the end of the century.
We’re looking at a technique that could improve CO 2 capture to combat climate change and one day even potentially replace carbon-intensive manufacturing for plastics and fuels. Therefore, these resting cells function as nano-microbial factories powered by light. —Ding et al.
The study was led by scientists at Utrecht University, working with colleagues at the NIOZ Royal Netherlands Institute for Sea Research and the University of Southampton. However, scientists were previously unable to demonstrate tight-coupling between variations in atmospheric carbon dioxide and shorter-term changes in global climate.
The new study projects the increasing dominance of the production phase in terms of lifecycle CO 2 impacts. The introduction of new energy technologies in road transport will mean that the current tailpipe measures of the climate impact of vehicles will become increasingly inadequate in future. Click to enlarge.
Under benchmark risk management metrics, allowable emission paths should have less than a 10% chance of overshooting the target, Lemoine notes in a new paper published in the American Meteorological Society’s Journal of Climate , so policymakers “ may therefore require significant near-term abatement and eventual net negative emissions.
In the study, the Ford team derived regional CO 2 targets for new LDVs while still providing an integrated view of the global LDV fleet—a perspective critical to the planning needs for global automotive firms. In the study, the teams considers only CO 2 —not CO 2 eq. Climate Change Emissions Fuel Efficiency Policy'
A collaborative, six-year study of CO 2 levels in Beijing and surrounding provinces suggests that combustion efficiency, a component of overall energy efficiency, is improving in the region. and postdoctoral studies at Harvard (EPS and SEAS). —co-author J. She completed her Ph.D. Munger, J. McElroy, M. McElroy, M. Nielsen, C.
Its expanding production is driving rainforest destruction and massive carbon dioxide emissions, according to a new study led by researchers at Stanford and Yale universities. This accounts for 60% of Kalimantan’s total forest cover loss in that time, according to the study’s authors. Nature Climate Change doi: 10.1038/nclimate1702.
This agreement also involves a collaborative effort to develop feasibility studies in order to find new solutions to transport hydrogen in both liquid and gaseous form, by using and adapting existing infrastructure and networks as well as by shipping it by vessel, and to capture, transport, store or enhance CO 2.
Wetzel’s team, in cooperation with the Institute for Advanced Sustainability Studies e.V. There are huge quantities of natural gas worldwide and it can be used in a climate-neutral way. We now want to study how this can be achieved efficiently and use the results for processing large quantities of gas later on.
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