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

14:22 EST 11th December 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...


Global soil nitrous oxide emissions since the pre-industrial era estimated by an ensemble of Terrestrial Biosphere Models: Magnitude, attribution and uncertainty.

Our understanding and quantification of global soil nitrous oxide (N O) emissions and the underlying processes remain largely uncertain. Here we assessed the effects of multiple anthropogenic and natural factors, including nitrogen fertilizer (N) application, atmospheric N deposition, manure N application, land cover change, climate change and rising atmospheric CO concentration, on global soil N O emissions for the period 1861-2016 using a standard simulation protocol with seven process-based terrestrial b...

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...


Global and local impacts of delayed mercury mitigation efforts.

Mercury (Hg) is emitted to air by natural and anthropogenic sources, transports and deposits globally, and bioaccumulates to toxic levels in food webs. It is addressed under the global 2017 Minamata Convention, for which periodic effectiveness evaluation is required. Previous analyses have estimated the impact of different regulatory strategies for future mercury deposition. However, analyses using atmospheric models traditionally hold legacy emissions (recycling of previously deposited Hg) constant, and do...

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...

Soil carbon inventory to quantify the impact of land use change to mitigate greenhouse gas emissions and ecosystem services.

Currently the land use and land use change (LULUC) emits 1.3 ± 0.5 Pg carbon (C) year, equivalent to 8% of the global annual emissions. The objectives of this study were to quantify (1) the impact of LULUC on greenhouse gas (GHG) emissions in a subtropical region and (2) the role of conservation agriculture to mitigate GHG emissions promoting ecosystem services. We developed a detailed IPCC Tier 2 GHG inventory for the Campos Gerais region of southern Brazil that has large cropland area under long-te...

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...

Greenhouse gas emissions vary in response to different biochar amendments: an assessment based on two consecutive rice growth cycles.

The efficiency of biochar to mitigate greenhouse gas (GHG) emission from rice paddy soils is not consistent. Furthermore, which factor dominates this mitigation efficiency is not clear. In the present 2-year greenhouse experiment, the effects of biochars derived from two feedstocks (wheat straw and saw dust) and two pyrolysis temperatures (500 °C and 700 °C), and applied at two different rates (0.5 wt% and 3 wt%) on methane (CH) and nitrous oxide (NO) emissions, and the total global warming potential ...

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...

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...

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...

Nitrous oxide emissions from inland waters: Are IPCC estimates too high?

Nitrous oxide (N O) emissions from inland waters remain a major source of uncertainty in global greenhouse gas budgets. N O emissions are typically estimated using emission factors (EFs), defined as the proportion of the terrestrial nitrogen (N) load to a water body that is emitted as N O to the atmosphere. The Intergovernmental Panel on Climate Change (IPCC) has proposed EFs of 0.25% and 0.75%, though studies have suggested that both these values are either too high or too low. In this work, we develop a m...

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...

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...

Real cover crops contribution to soil organic carbon sequestration in sloping vineyard.

The research focused on the evaluation of the effect of soil erosion processes on SOC sequestration rate after 5 years of cover crop soil management in Mediterranean vineyards (Sicily, Italy). Two paired sites, one in a sloping area and another one in a contiguous flat area, were chosen. The vineyard soils of the two plots of each paired site were managed with conventional soil tillage (CT) and Vicia faba cover crop (CC) the preceding 5 years. SOC was measured in three points along the slope (top, middl...

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...

Efficacy of autofluorescence imaging for flat neoplasm detection: a multicenter randomized controlled trial (A-FLAT trial).

Colorectal flat (nonpolypoid) lesions can be overlooked during colonoscopy. This study evaluated the efficacy of updated autofluorescence imaging (AFI) for detecting colorectal flat neoplasms.

Emissions of Phthalates from Indoor Flat Materials in Chinese Residences.

Phthalates are ubiquitous pollutants in residential environments. Indoor airborne phthalate concentrations in Chinese residences are comparable to, or even higher than, those of western countries. However, the major sources of phthalates in Chinese residences are not well known. In this study, we measured the phthalates emission features of 23 flat materials used in Chinese residences in the laboratory environment, including the mass fraction (wt) and the concentration in the air adjacent to the material su...


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