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PubMed Journals Articles About "Global Emissions Inching After Years Flat Growth" RSS

00:09 EDT 22nd September 2018 | BioPortfolio

Global Emissions Inching After Years Flat Growth PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Global Emissions Inching After Years Flat Growth articles that have been published worldwide.

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Showing "Global emissions inching after years flat growth" PubMed Articles 1–25 of 26,000+

Driving forces and mitigation potential of global CO emissions from 1980 through 2030: Evidence from countries with different income levels.

To mitigate global carbon dioxide (CO) emissions in an effective manner, it is essential to identify the driving forces and estimate the reduction potential of changes to CO emissions. Using an extended logarithmic mean Divisia index (LMDI) method, this study decomposes the changes in global emissions between 1980 and 2015 with consideration of different income levels; it also reports on scenario analysis of the global emissions reduction potential up to the year 2030 to explore feasible mitigation pathways...


Socioeconomic determinants of China's growing CH emissions.

Reducing CH emissions is a major global challenge, owing to the world-wide rise in emissions and concentration of CH in the atmosphere, especially in the past decade. China has been the greatest contributor to global anthropogenic CH emissions for a long time, but current understanding towards its growing emissions is insufficient. This paper aims to link China's CH emissions during 2005-2012 to their socioeconomic determinants by combining input-output models with structural decomposition analysis from bot...

Characteristics of CH and CO emissions and influence of water and salinity in the Yellow River delta wetland, China.

Due to the severe degradation and environmental pollution of coastal wetlands by human activities, they have gradually become an important source of greenhouse gases (GHGs) emissions, so exploring the characteristics of their emission is important to reduce greenhouse gas emissions from coastal wetlands. In this study, the dynamics of methane (CH) and carbon dioxide (CO) emissions were investigated in five kinds of typical tidal flats from the Yellow River delta wetland during the years 2011-2013, and the i...


Carbon dioxide (CO) emissions and economic growth: A systematic review of two decades of research from 1995 to 2017.

Understanding the nexus CO emissions and economic growth helps economies in formulating energy policies and developing energy resources in sustainable ways. Although during recent years, numerous of the previous studies have been very thoroughly investigated the nexus between economic growth and CO emissions, there is a lack of research regarding the qualitative systematic review and meta-analysis in these areas. The main purpose of this review paper is to present the comprehensive overview of the relations...

The Inverse Poisson Functional for forecasting response time to environmental events and global climate change.

A series of Poisson distributions are fit to sets of global cost-of-impact data representing large-scale accidents and anthropogenic catastrophes. The fits are used to build a function representing data means and are designated the Inverse Poisson Functional. Climate and environmental data have been used to develop a cost-frequency population distribution and to estimate the expected time between events. On a global scale, we show that expected wait- or reaction- times can be estimated using the Poisson den...

Spatiotemporal Dynamics of CO Emissions in Chongqing: An Empirical Analysis at the County Level.

China's CO emissions present obvious temporal and spatial distribution characteristics. Therefore, the study of spatiotemporal dynamics of CO emissions could provide useful information for the government and policy-makers on viable CO emissions mitigation in China. Using Chongqing as a case study, we investigated the spatiotemporal dynamics of CO emissions at the county level (38 counties) from 1997 to 2012.The mathematical statistical method, spatial autocorrelation, and rank size rule were employed to eva...

Effects of Plastic Film Mulching on Methane and Nitrous Oxide Emissions from a Rice-Rapeseed Crop Rotation.

A field experiment was conducted in the Key Field Station for Monitoring of Eco-Environment of Purple Soil of the Ministry of Agriculture of China in the farm of Southwest University in Chongqing. Static opaque chamber and gas chromatography methods were used to study the effect of plastic film mulching on CH and NO emissions characteristics from a rice-rapeseed crop rotation for one year. The results showed that CH and NO emissions are mainly concentrated in the early stages of the growth of each crop and...

Impact of agronomy practices on the effects of reduced tillage systems on CH4 and N2O emissions from agricultural fields: A global meta-analysis.

The effect of no- and reduced tillage (NT/RT) on greenhouse gas (GHG) emission was highly variable and may depend on other agronomy practices. However, how the other practices affect the effect of NT/RT on GHG emission remains elusive. Therefore, we conducted a global meta-analysis (including 49 papers with 196 comparisons) to assess the effect of five options (i.e. cropping system, crop residue management, split application of N fertilizer, irrigation, and tillage duration) on the effect of NT/RT on CH4 an...

Analysis of Anthropogenic Reactive Nitrogen Emissions and Its Features on a Prefecture-level City in Fujian Province.

The impacts of reactive nitrogen (Nr) on the environment significantly increase with population and rapid urbanization. In order to study gaseous Nr and Nr loads to waterbodies at the provincial scale, we established anthropogenic emission inventories in prefecture-level cities in Fujian Province and analyzed the changes in Nr emissions for the years 2000, 2005, and 2010. The total Nr emissions were calculated as 538.4, 587.0, and 620.0 Gg in those three years, respectively. The emissions of Nr increased in...

The effect of innovation on CO emissions of OCED countries from 1990 to 2014.

Human activities are accelerating CO emissions all over the world most especially in high-income nations, spurring the rise in greenhouse gas emissions. For decades, technologies have been developed and patented in response to the environmental problems. There is an outcry for innovative ways to combat the environmental menace. This attests to the enormity of research being done, in recent years, to investigate how innovation can help mitigate CO emissions. This research aims at investigating into the effec...

CO emissions, natural gas and renewables, economic growth: Assessing the evidence from China.

This study aims to test the environmental Kuznets curve (EKC) for carbon dioxide (CO) emissions in China by developing a new framework based on the suggestion of Narayan and Narayan (2010). The dynamic effect of natural gas and renewable energy consumption on CO emissions is also analyzed. Considering the structural break observed in the sample, a series of econometric techniques allowing for structural breaks is utilized for the period 1965-2016. The empirical results confirm the existence of the EKC for C...

Otoacoustic emissions from ears with spontaneous activity behave differently to those without: Stronger responses to tone bursts as well as to clicks.

It has been reported that both click-evoked otoacoustic emissions (CEOAEs) and distortion product otoacoustic emissions (DPOAEs) have higher amplitudes in ears that possess spontaneous otoacoustic emissions (SOAEs). The general aim of the present study was to investigate whether the presence of spontaneous activity in the cochlea affected tone-burst evoked otoacoustic emissions (TBOAEs). As a benchmark, the study also measured growth functions of CEOAEs. Spontaneous activity in the cochlea was measured by t...

Emissions mitigation opportunities for savanna countries from early dry season fire management.

Savanna fires produce significant emissions globally, but if managed effectively could provide an important mitigation opportunity, particularly in African least developed countries. Here we show global opportunities for emissions reductions through early dry season burning for 37 countries including: 29 countries in Africa (69.1 MtCO-e yr), six countries in South America (13.3 MtCO-e yr), and Australia and Papua New Guinea (6.9 MtCO-e yr). Emissions reduction estimates are based on the successf...

S2-Guideline: Pediatric Flat Foot.

In pediatric flat foot a differentiation has to be made between the flexible and the rigid form. The diagnosis is based on the history, clinical examination as well as pedobarography, gait analysis and imaging techniques. It is important to rule out neuropediatric conditions such as muscular dystrophies, Ehlers-Danlos- or Marfan syndrome. In children six years of age and younger a flexible flat foot is nearly always physiological (97% of all 19 months old children). Up to the age of ten years the medial col...

Exploring the link between environmental pollution and economic growth in EU-28 countries: Is there an environmental Kuznets curve?

This study examines the Environmental Kuznets Curve hypothesis (EKC), considering the primary energy consumption among other country-specific variables, for a panel of the EU-28 countries during the period 1990-2014. By estimating pooled OLS regressions with Driscoll-Kraay standard errors in order to account for cross-sectional dependence, the results confirm the EKC hypothesis in the case of emissions of sulfur oxides and emissions of non-methane volatile organic compounds. In addition to pooled estimation...

Irrigation reduces the negative effect of global warming on winter wheat yield and greenhouse gas intensity.

Global warming may exacerbate drought, decrease crop yield and affect greenhouse gas (GHG) emissions in semi-arid regions. However, the interactive effects of increases in temperature and water availability on winter wheat yield and GHG emissions in semi-arid climates are not well-understood. Here, we report on a two-year field experiment that examined the effects of a mean soil temperature increase of ~2 °C (at 5 cm depth) with and without additional irrigation on wheat yield and GHG emissions. Infrar...

Effects of Biochar Application Rates on Greenhouse Gas Emissions in the Purple Paddy Soil.

In order to explore the effects of different amounts of biochar applied in purple paddy soil on greenhouse gas (GHG) emissions, potted experiments using a static opaque chamber and gas chromatography method were used to study the regulations and influences of biochar on soil greenhouse gas emission using five treatments:no fertilizer (CK), conventional fertilization (NPK), 10 t ·hm biochar+NPK (LBC), 20 t ·hm biochar+NPK (MBC), and 40 t ·hm biochar+NPK (HBC). ① Soil CH emission flux reduced significant...

Divergent global-scale temperature effects from identical aerosols emitted in different regions.

The distribution of anthropogenic aerosols' climate effects depends on the geographic distribution of the aerosols themselves. Yet many scientific and policy discussions ignore the role of emission location when evaluating aerosols' climate impacts. Here, we present new climate model results demonstrating divergent climate responses to a fixed amount and composition of aerosol-emulating China's present-day emissions-emitted from 8 key geopolitical regions. The aerosols' global-mean cooling effect is fourtee...

Evaluation of the impact of reducing national emissions of SO2 and metals in Poland on background pollution using a bioindication method.

Changes in environmental pollution by S, Cd, Cu, Pb and Zn in 2006-2014 were evaluated using a bioindication method. This method was based on measurements of pollutants in Scots pine (Pinus sylvestris L.) needles. The measurements were performed in the Chojnowskie Forests, a region recognized as a background area for central Poland. The changes in the contents of sulfur (S) and metals in needles were not comparable with the changes in the global emissions of the pollutants in Poland. On average, the polluti...

Environmental impacts of genetically modified (GM) Crop use 1996-2016: Impacts on pesticide use and carbon emissions.

This paper updates previous assessments of the environmental impacts associated with using crop biotechnology in global agriculture. It focuses on the environmental impacts associated with changes in pesticide use and greenhouse gas emissions arising from the use of GM crops since their first widespread commercial use over 20 years ago. The adoption of GM insect resistant and herbicide tolerant technology has reduced pesticide spraying by 671.4 million kg (8.2%) and, as a result, decreased the environmenta...

The impact of economic growth on CO emissions in Australia: the environmental Kuznets curve and the decoupling index.

Australia is the sixth largest country in the world, celebrating its 26th consecutive year without a recession. However, the country is one of the ten largest emitters of greenhouse gases, mainly caused by energy use. As such, Australia is facing a trade-off between economic growth and reducing carbon dioxide (CO) emissions. This paper empirically analyses the relationship between economic growth and CO emissions in Australia, based on annual data from 1965 to 2016, considering the consumption of the fossil...

Crystalline Bilayer Graphene with Preferential Stacking from Ni-Cu Gradient Alloy.

We developed high-yield synthesis of highly crystalline bilayer graphene (BLG) with two preferential stacking modes using a Ni-Cu gradient alloy growth substrate. Previously reported approaches for BLG growth include flat growth substrates of Cu or Ni-Cu uniform alloys and "copper pocket" structures. Use of flat substrates has the advantage of being scalable, but the growth mechanism is either "surface limited" (for Cu) or carbon precipitation (for uniform Ni-Cu), which results in multi-crystalline BLG grai...

Effects of biochar application three-years ago on global warming potentials of CH and NO in a rice-wheat rotation system.

To evaluate the long-term effects of biochar amendment on greenhouse gas emissions (GHGs), a field experiment was conducted to examine the effects of 3-year field-aged biochar (B) and fresh biochar (B) on global warming potential (GWP) and greenhouse gas intensity (GHGI) of methane (CH) and nitrous oxide (NO) in a typical rice-wheat rotation system. Four treatments were established as control without nitrogen fertilizer (CK), urea without biochar (N), urea with fresh biochar amended in 2015 (NB), and urea w...

Epitaxial growth of flat antimonene monolayer: a new honeycomb analogue of graphene.

Group-V elemental monolayers were recently predicted to exhibit exotic physical properties like nontrivial topological properties, or quantum anomalous Hall effect, which would make them very suitable for applications in next-generation electronic devices. The free-standing group-V monolayer materials usually have a buckled honeycomb form, in contrast with the flat graphene monolayer. Here, we report epitaxial growth of atomically thin flat honeycomb monolayer of group-V element antimony on a Ag(111) substr...

Reduced Ultrafine Particle Concentration in Urban Air: Changes in Nucleation and Anthropogenic Emissions.

Nucleation is an important source of ambient ultrafine particles (UFP). We present observational evidence of the changes in the frequency and intensity of nucleation events in urban air by analyzing long-term particle size distribution measurements at an urban background site in Pittsburgh, Pennsylvania during 2001-02 and 2016-17. We find that both frequency and intensity of nucleation events have been reduced by 40-50 % over the past 15 years, resulting in a 70% reduction in UFP concentrations from nucleat...


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