• BECC revolves around three Grand Challenges that must be tackled to find solutions to the combined consequences of anthropogenic emissions, land-use and climate change on biodiversity and ecosystem services. (lu.se)
  • BECC brings together more than 350 scientists from the natural and social sciences to perform research on the combined consequences of anthropogenic emissions, climate and land-use changes on biodiversity and ecosystem services on multiple scales, to provide a scientific basis for the sustainable management of ecosystems and biodiversity. (lu.se)
  • The use of different primary energy sources in human society has led to two major polluting emissions in the environment: energy (mostly heat), and chemical substances (mostly carbon dioxide). (preprints.org)
  • carbon dioxide emissions. (preprints.org)
  • The process of reducing carbon dioxide emissions from a product, process, facility, or sector. (canada.ca)
  • This is done with the help of carbon dioxide compensation projects that invest in renewable energy sources or the preservation of forests, for example - that is, reduce or store greenhouse gas emissions. (dlr.de)
  • Although rain is naturally slightly acidic because of carbon dioxide, natural emissions of sulfur and nitrogen oxides, and certain organic acids, human activities can make it much more acidic. (nasa.gov)
  • In this study the uncertainties in an aircraft-based mass balance approach for quantifying carbon dioxide and methane emissions from an urban environment, focusing on Indianapolis, IN, USA, is described. (nist.gov)
  • There has been an increase in the uptake of carbon dioxide over time, and land ecosystems have together absorbed almost one third of all carbon dioxide emissions from human activity since the 1960s. (lu.se)
  • So far, it is unknown which factors and practices will be decisive in whether the fungi contribute to anthropogenic carbon dioxide emissions or mitigate them by depositing carbon in soil. (lu.se)
  • misc{https://hdl.handle.net/11676/1IxrtKdX-IhHJdTM9UMrSsbj, author={Gerbig, Christoph and Koch, Frank-Thomas}, title={European anthropogenic CO2 emissions for 2012 based on EDGARv4.3 and BP statistics 2021}, year={2021}, note={Anthropogenic CO2 emissions for Europe based on EDGARv4.3 (Janssens-Maenhout et al. (icos-cp.eu)
  • TY - DATA T1 - European anthropogenic CO2 emissions for 2012 based on EDGARv4.3 and BP statistics 2021 ID - 11676/1IxrtKdX-IhHJdTM9UMrSsbj PY - 2021 AB - Anthropogenic CO2 emissions for Europe based on EDGARv4.3 (Janssens-Maenhout et al. (icos-cp.eu)
  • CO 2 emissions from land-use changes are more difficult to estimate and come with greater uncertainty. (skepticalscience.com)
  • Note the proportionally higher uncertainty compared to fossil fuel emissions. (skepticalscience.com)
  • Numerous challenges are faced when estimating CO 2 emissions at these scales, including data availability, data idiosyncrasy and uncertainty quantification. (nau.edu)
  • Because much of the data that is available does not possess uncertainty estimates, quantification of CO 2 emissions uncertainty similarly remains a large challenge. (nau.edu)
  • Much of the uncertainty associated with total AFOLU emissions is caused by uncertainty in measurements of carbon stocks associated with deforestation and rates of tropical forest cover change. (nationalacademies.org)
  • A major challenge is to reduce the currently high uncertainty about how the carbon cycle responds to anthropogenic and biophysical drivers, including long-term effects of slow-responding processes of vegetation and soils. (lu.se)
  • To examine the effects of China's national policies of energy conservation and emission control during 2005-2010, inter-annual emission trends of gaseous pollutants, primary aerosols, and CO2 are estimated with a bottom-up framework. (harvard.edu)
  • Our results facilitate more rigorous comparison between existing and upcoming studies of climate and health effects of aerosols using different emission inventories. (iiasa.ac.at)
  • and sulphur dioxide (SO 2 , MtSO 2 /yr, bottom-right graph, contributing to anthropogenic aerosols in panel (b). (ipcc.ch)
  • and net cooling from other anthropogenic drivers ('aerosols and land use' bar: anthropogenic aerosols, changes in reflectance due to land-use and irrigation changes, and contrails from aviation) (see Figure SPM.2, panel c, for the warming contributions to date for individual drivers). (ipcc.ch)
  • For simulations of past and future changes in climate, GCMs (and other climate models) apply concentrations of greenhouse gases and other radiatively active compounds (e.g. aerosols from volcanic or anthropogenic activity) as forcing. (lu.se)
  • 2019, https://doi.org/10.5194/essd-11-959-2019, fuel type and category specific emissions were provided by Greet Janssens-Maenhout, EU-JRC), BP statistics 2021 (https://www.bp.com/content/dam/bp/business-sites/en/global/corporate/xlsx/energy-economics/statistical-review/bp-stats-review-2021-all-data.xlsx), temporal variations based on MACC-TNO (Denier van der Gon et al. (icos-cp.eu)
  • Dominant global sources of carbonaceous aerosol in 2017 include residential biofuel combustion, on-road transportation (BC only), and emissions from the waste sector. (healthdata.org)
  • The overall goal of the proposed project is to analyze a comprehensive suite of measurements conducted in urban Atlanta during 2020 to investigate the impacts of COVID-19 containment efforts on the emissions and fates of volatile organic compounds (VOCs), as well as organic aerosol loading and composition in urban environments. (noaa.gov)
  • The southeastern United States is characterized by intense biogenic-anthropogenic interactions, where a large fraction of secondary organic aerosol is from natural sources (biogenic) but modulated by human-caused (anthropogenic) pollutants. (noaa.gov)
  • Results from this study will provide new insights into how reduced anthropogenic emissions influence organic aerosol loading and composition in the region, as emissions continue to decrease in the future with mitigation strategies. (noaa.gov)
  • Greenhouse gases and aerosol emissions are two primary anthropogenic activities that show warming and cooling effects of climate change, respectively. (springernature.com)
  • Given that in the coming decades, greenhouse gases will increase while aerosol emissions will decrease significantly worldwide, it is of extreme potential to understand the effects of greenhouse gases and aerosol forcings on precipitation whiplash. (springernature.com)
  • 120%), despite opposing influences of industrial aerosol emissions on decreasing occurrences, given greenhouse gas emissions are projected to sharply outpace industrial aerosol emissions after the 2020s. (springernature.com)
  • This study focuses on implications of differences between recent global emissions inventories for simulated trends in anthropogenic aerosol abundances and radiative forcing (RF) over the 1990-2019 period. (iiasa.ac.at)
  • Secondary organic aerosol (SOA) is an important component of atmospheric fine particulate matter (PM2.5), with contributions from anthropogenic and biogenic volatile organic compounds (AVOC and BVOC) and semi- (SVOC) and intermediate volatility organic compounds (IVOC). (bvsalud.org)
  • Successful regulation of greenhouse gas emissions requires knowledge of current methane emission sources. (aer.com)
  • However, government estimates for total US methane emissions may be biased by 50%, and estimates of individual source sectors are even more uncertain. (aer.com)
  • Effective national and state greenhouse gas reduction strategies may be difficult to develop without appropriate estimates of methane emissions from these source sectors. (aer.com)
  • This study quantitatively estimates the spatial distribution of anthropogenic methane sources in the United States by combining comprehensive atmospheric methane observations, extensive spatial datasets, and a high-resolution atmospheric transport model. (aer.com)
  • Results show that current inventories from the US Environmental Protection Agency (EPA) and the Emissions Database for Global Atmospheric Research underestimate methane emissions nationally by a factor of ∼1.5 and ∼1.7, respectively. (aer.com)
  • In addition, the discrepancy in methane source estimates is particularly pronounced in the south-central United States, where we find total emissions are ∼2.7 times greater than in most inventories and account for 24 ± 3% of national emissions. (aer.com)
  • The spatial patterns of our emission fluxes and observed methane-propane correlations indicate that fossil fuel extraction and refining are major contributors (45 ± 13%) in the south-central United States. (aer.com)
  • This result suggests that regional methane emissions due to fossil fuel extraction and processing could be 4.9 ± 2.6 times larger than in EDGAR, the most comprehensive global methane inventory. (aer.com)
  • Overall, we conclude that methane emissions associated with both the animal husbandry and fossil fuel industries have larger greenhouse gas impacts than indicated by existing inventories. (aer.com)
  • Methane Emissions Vastly Surpass Previous Estimates , Carnegie Institution for Science press release. (aer.com)
  • Government calculations of total U.S. methane emissions may underestimate the true values by 50 percent, a new study finds. (aer.com)
  • Solid waste disposal sites account for up to 20% of global emissions of methane the second most significant greenhouse gas. (lu.se)
  • Here, we use an eight-year record (2005-2012) of formaldehyde measurements from space to constrain the emissions of volatile organic compounds (VOCs) in this region. (nature.com)
  • The national emissions of anthropogenic SO2, CO, and total primary PM (particulate matter) in 2010 are estimated to have been 89%, 108%, and 87% of those in 2005, respectively, suggesting successful emission control of those species despite fast growth of the economy and energy consumption during the period. (harvard.edu)
  • Existing state regulations in California and Massachusetts require ∼15% greenhouse gas emissions reductions from current levels by 2020. (aer.com)
  • Following this business as usual scenario, it is projected that air quality for the global average citizen in 2050 would be almost comparable to that for the average citizen in East Asia in the year 2005, which underscores the need to pursue emission reductions. (indexindex.com)
  • Emissions reductions that occur outside of a product's life cycle or value chain, but as a result of the use of that product (World Resources Institute). (canada.ca)
  • A target defined by a reduction in emissions relative to productivity or economic output, e.g. reduction of emissions per barrel of oil produced by 25% between 2020 and 2030. (canada.ca)
  • This study aims to investigate the NH3 emission changes and spatiotemporal variation characteristics from farmland ecosystems during 1990 and 2020 due to the LULC changes. (bvsalud.org)
  • From 1990 to 2020, the national NH3 emissions from farmland ecosystem range from 3294.75 Gg to 4064.20 Gg. (bvsalud.org)
  • First top‐down estimates of anthropogenic NOx emissions using. (nasa.gov)
  • The capability of GCAS at detecting such an event ensures the significance of forthcoming geostationary satellites for timely estimates of top‐down emissions. (nasa.gov)
  • 2018), these updates extend the emission estimates from 2014 to 2017 and improve the overall agreement between CEDS and two widely used global bottom-up emission inventories. (healthdata.org)
  • These extensive compilations support the above estimates of large early anthropogenic clearance and C emissions. (realclimate.org)
  • Output variables of the model (burned area and CO2 fire-related emissions) will be compared with past fire reconstructions based on sedimentary charcoal records (point estimates of past biomass burning) from the same regions at centennial time scales. (lu.se)
  • Pollutants in the ambient air can be harmful to human health and are emitted from both natural and anthropogenic sources. (cdc.gov)
  • Further, comprehensive and long-term (spanning multiple seasons) measurements will allow for thorough characterization of pandemic impacts on atmospheric composition in urban environments with intense biogenic emissions. (noaa.gov)
  • The 'airborne fraction' refers to the amount of human CO 2 emissions remaining in the atmosphere. (skepticalscience.com)
  • Approximately 43% of our CO 2 emissions stay in the atmosphere with the rest being absorbed by carbon sinks. (skepticalscience.com)
  • Over this period, an average of 43% of each year's CO 2 emissions remained in the atmosphere although there is much year-to-year variability. (skepticalscience.com)
  • In this paper, the total global anthropogenic emissions of heat to the atmosphere during the industrial era (years 1850-2018) were determined and their effect on the change of global atmospheric temperature was calculated. (preprints.org)
  • These results suggest that the temperature change of the atmosphere (global warming) is entirely due to anthropogenic heat emissions. (preprints.org)
  • The global effect of direct anthropogenic heat release into the atmosphere has not been studied yet, since the amount of anthropogenic heat flux is assumed to comprise only 1% of greenhouse gas forcing [7]. (preprints.org)
  • Researchers have long been studying the different kinds of emissions in order to understand how air transport is altering the composition of the atmosphere, cloud cover and the climate. (dlr.de)
  • The principal natural phenomena that contribute acid-producing gases to the atmosphere are emissions from volcanoes and from biological processes that occur on the land, in wetlands, and in the oceans. (nasa.gov)
  • Since the industrial revolution, emissions of sulfur and nitrogen oxides to the atmosphere have increased. (nasa.gov)
  • The carbon cycle is another major contributor to climate change primarily from anthropogenic metabolism. (wikipedia.org)
  • In addition to animal rights concerns, the production of meat is a major contributor to climate change through greenhouse gas emissions and land degradation. (thersa.org)
  • Our study indicates that emissions due to ruminants and manure are up to twice the magnitude of existing inventories. (aer.com)
  • Global anthropogenic emission inventories remain vital for understanding the sources of atmospheric pollution and the associated impacts on the environment, human health, and society. (healthdata.org)
  • A negative linear trend over 2005-2017 in global AOD following changes in anthropogenic emissions is found with all three inventories but is markedly stronger with CEDS21 and ECLv6. (iiasa.ac.at)
  • Dominant sources of global CO emissions in 2017 include on-road transportation and residential biofuel combustion. (healthdata.org)
  • Our findings suggest that anthropogenic signals of global mean (land mean) dry-to-wet and wet-to-dry whiplash features emerge in 2028 (2017) and 2033 (2017), respectively. (springernature.com)
  • Land use emissions are estimated using deforestation and other land-use data, fire observations from space and carbon cycle modeling. (skepticalscience.com)
  • For example, if the annually deforested area in a country decreases by a factor of 2, then, all else equal, CO 2 emissions from deforestation have also decreased by a factor of 2 (van der Werf et al. (nationalacademies.org)
  • This chapter first describes remote sensing methods that are able to estimate the activities responsible for the majority of AFOLU emissions (e.g., deforestation) and removals by sinks. (nationalacademies.org)
  • These industries are the largest source of anthropogenic mercury emissions which pollute the air, soil, and water and lead to severe problems with the human health. (lumexinstruments.com)
  • Soil emissions. (cdc.gov)
  • These changes have led to a direct impact on ammonia (NH3) emissions in soil background, and indirectly affected the total nitrogen fertilizer (N-fertilizer) application, crop planting amount and the resulting straw mass through the changes of cropland area. (bvsalud.org)
  • The results cast doubt on a recent Environmental Protection Agency decision to downscale its emissions estimate. (aer.com)
  • The atmospheric chemistry general circulation model EMAC has been used to estimate the impact of anthropogenic emission changes on global and regional air quality in recent and future years (2005, 2010, 2025 and 2050). (indexindex.com)
  • The concept of a theoretical three-phase Earth reactor was introduced to estimate global atmospheric temperature increase caused by anthro-pogenic heat emissions. (preprints.org)
  • It can be used to estimate the area within each country of recently harvested forest, mature forest, pasture, and various kinds of cropland, including rice paddies, which are a dominant source of CH 4 emissions. (nationalacademies.org)
  • The citywide emission is calculated by integrating the incremental flux contributions derived from the product of the enhancements and the observed perpendicular wind speeds. (nist.gov)
  • Future anthropogenic emissions of key drivers of climate change and warming contributions by groups of drivers for the five illustrative scenarios used in this report. (ipcc.ch)
  • Panel (b) Warming contributions by groups of anthropogenic drivers and by scenario are shown as the change in global surface temperature (°C) in 2081-2100 relative to 1850-1900, with indication of the observed warming to date. (ipcc.ch)
  • The regions with higher contributions to NH3 emissions in farmland ecosystems are East China, Central China, and North China, accounting for 25.32 %-37.26 %, 18.85 %-22.46 % and 11.24 %-18.50 % of the total emissions, respectively. (bvsalud.org)
  • The Role of Direct Air Capture in Mitigation of Anthropogenic Greenhouse Gas Emissions. (lu.se)
  • While emission trends determined by bottom-up methods can be generally verified by observations from both ground stations and satellites, clear discrepancies exist for given regions and seasons, indicating a need for more accurate spatial and time distributions of emissions. (harvard.edu)
  • This paper provides a review of the need, challenges and recent research aimed at quantifying anthropogenic CO 2 emissions for urban areas at spatial scales below the whole city, and sub-annual temporal scales. (nau.edu)
  • With whole-city CO 2 emissions budget research as a starting point, suburban efforts must first clearly identify the accounting framework, sectoral boundaries, chemical form, spatial domain and the space/time resolution desired. (nau.edu)
  • The inversion, however, boosts emissions by 94% in the same areas on a day when an unprecedented local emissions event potentially occurred, significantly mitigating the bias of the model. (nasa.gov)
  • This region has a relatively small cropland area, and fluctuations in cropland area significantly affect NH3 emissions in farmland ecosystems. (bvsalud.org)
  • We also analyze projected future changes in whiplash under the scenario of the RCP8.5 emissions using simulations and assess the influence of individual anthropogenic forcings using CESM-XLENS. (springernature.com)
  • Against this background, MERGE researcher Lars Nieradzik has developed a new-generation prognostic wildfire scheme, SIMFIRE-BLAZE, that takes advantage of the detailed horizontal and vertical description of vegetation structure in the MERGE's flagship model LPJ-GUESS to enable more accurate simulations of fire occurrence, impact and emissions. (lu.se)
  • We use a building energy model (STEBBS - Simplified Thermal Energy Balance for Buildings Scheme) to simulate and compare the anthropogenic heat flux from residential buildings in the city centres of London, UK, and Berlin, Germany, in different seasons. (copernicus.org)
  • Seasonal diurnal variations of the building energy balance in terms of energy consumption, turbulent sensible heat flux and net storage heat flux are compared for common building archetypes in the two cities to assess the main controls on the anthropogenic heat emissions into the urban canopy layer. (copernicus.org)
  • Within this context, this MERGE Short Project (SP) aims to use LPJ-GUESS-SIMFIRE-BLAZE to simulate natural and anthropogenic fire dynamics over the Industrial Period (1750-2000 AD) in Fennoscandia and Canadian boreal forests. (lu.se)
  • Quantify the role of anthropogenic emission and meteorology on air pollution using machine learning approach: A case study of PM during the COVID-19 outbreak in Hubei Province, China. (cdc.gov)
  • Anthony Watts labeled this result the ' Bombshell from Bristol ' - A potentially devastating result for anthropogenic global warming. (skepticalscience.com)
  • Recent findings summarized here lend support to the claim that greenhouse-gas emissions from early agriculture (before 1850) were large enough to alter atmospheric composition and global climate substantially. (realclimate.org)
  • I have read with great interest your article "Impact of anthropogenic heat emissions on global atmospheric temperature" which presents a very original approach to the causes of global warming. (preprints.org)
  • This does not seem correct to me as there is at least one publication on the same subject "Global energy accumulation and net heat emission - Bo Nordell and Bruno Gervet" International Journal On Global Warming, Vol. 1, Nos. (preprints.org)
  • Urban environments are the primary contributors to global anthropogenic carbon emissions. (nist.gov)
  • Our study indicates that the top-down crop burning fluxes of VOCs in June exceed by almost a factor of 2 the combined emissions from other anthropogenic activities in this region, underscoring the need for targeted actions towards changes in agricultural management practices. (nature.com)
  • The long path FTIR was tested for monitoring gases from natural and anthropogenic origins. (cdc.gov)
  • Studies underline that these changes are predominantly caused by our way of living - how we travel, supply energy, produce goods, the food we eat, how we live - as these involve the use of fossil fuels and land use change, with concomitant emissions of greenhouse gases into the climate system. (lu.se)
  • To elucidate the source distributions of CO2, an emissions database for Asia was examined in conjunction with the chemistry and 5-day backward trajectories that revealed the WNW/W sector of northeast Asia was a major contributor to these pollution events. (escholarship.org)
  • By comparing with recent observations, it is shown that the model reproduces the main features of regional air pollution distributions though with some imprecisions inherent to the coarse horizontal resolution (~100 km) and simplified bottom-up emission input. (indexindex.com)
  • Emissions from mobile and stationary sources contribute to indoor and outdoor air pollution. (cdc.gov)
  • Anthropogenic CO2 emissions for Europe based on EDGARv4.3 (Janssens-Maenhout et al. (icos-cp.eu)
  • In a similar analysis, Lorenz and Lal (2018) estimated pre-industrial carbon emissions of 'up to' 357 GtC. (realclimate.org)
  • The Governance of the Energy Union and Climate Action ((EU) 2018/1999) requires Member States to report national projections of anthropogenic GHG emissions. (europa.eu)
  • The Earth's vegetation reduces the increase in atmospheric CO2 concentrations by sequestering over a quarter of anthropogenic emissions. (lu.se)
  • Emissions caused by human activities. (canada.ca)
  • Emissions from downstream activities associated with the operations of a company, including processing of sold products, use of sold products, investments, franchises, downstream transportation and distribution, end-of-life treatment of sold products, and downstream leased assets. (canada.ca)
  • My work in the 1990s showed that the physical properties of the white wispy trails aircraft trace across the sky are best explained by their soot emissions - black carbon particles and condensable substances like sulphuric acid produced during the combustion of fossil fuels such as kerosene. (dlr.de)
  • We developed and tested a protocol for in situ characterization of the types and distribution of inorganic particles in biopsied lung tissue from three human groups using field emission scanning electron microscopy (FE-SEM) combined with energy dispersive spectroscopy (EDS). (usgs.gov)
  • and anthropogenic particles, attributed to industrial sources. (usgs.gov)
  • In addition, the bottom-up estimation based on such statistical information for this type of emission source carries large uncertainties. (nature.com)
  • We investigate the uncertainties in our aircraft-based mass balance approach by (1) assessing the sensitivity of the determined flux to various measurement and analysis parameters such as wind speed, background CO2 and CH4, boundary layer depth, and interpolation technique, and (2) determining the flux at two or more downwind distances from a point or area source in rapid succession, assuming that the emission flux is constant. (nist.gov)
  • Statistical information is however not available for every year and cannot be used to assess interannual variability or evaluate emission abatement measures. (nature.com)
  • NH3 emissions and their interannual variation in farmland ecosystems exhibit significant differences across various regions. (bvsalud.org)
  • As human CO 2 emissions sharply increased in the 20th Century, the amount absorbed by nature increased correspondingly. (skepticalscience.com)
  • This value is consistent with the 240-245 ppm level proposed in the early anthropogenic hypothesis for a natural Holocene world (with no human overprint). (realclimate.org)
  • Anthropogenic metabolism, also referred to as metabolism of the anthroposphere, is a term used in industrial ecology, material flow analysis, and waste management to describe the material and energy turnover of human society. (wikipedia.org)
  • Panel (a) Annual anthropogenic (human-caused) emissions over the 2015-2100 period. (ipcc.ch)
  • From the publisher: 'Do anthropogenic greenhouse gas emissions affect human rights? (lu.se)
  • When CO 2 emissions were low, the amount of CO 2 absorbed by natural carbon sinks was correspondingly low. (skepticalscience.com)
  • We find greenhouse gas emissions from agriculture and fossil fuel extraction and processing (i.e., oil and/or natural gas) are likely a factor of two or greater than cited in existing studies. (aer.com)
  • and international shipping) and four fuel categories (total coal, solid biofuel, the sum of liquid-fuel and natural-gas combustion, and remaining process-level emissions). (healthdata.org)
  • Because much of the growth in CO2 emissions will derive from cities, there is a need to develop, assess and improve measurement and modeling strategies for quantifying and monitoring greenhouse gas emissions from large urban centers. (nist.gov)
  • A quantified list of a company's greenhouse gas emissions and sources. (canada.ca)
  • The project is helping facilitate the sharing of information about a company's GHG emissions (most notably, its CO2 emissions) and other climate change practices and policies. (planetsave.com)
  • There is a great need in the future for multi-pollutant control strategies that combine recognition of diverse environmental impacts both in urban and rural areas with emission abatement of multiple species in concert. (harvard.edu)
  • Review of the revised manuscript ``Improving the representation of anthropogenic CO2 emissions in climate models: a new parameterization for the Community Earth System Model (CESM)'' by Andr\'{e}s Navarro, Ra\'{u}l Moreno, and Francisco J. Tapiador, submitted to the Journal Earth System Dynamics, European Geosciences Union (EGU). (copernicus.org)
  • The results of this study indicate that reducing the application of N-fertilizers is the primary approach to reducing NH3 emissions in China's farmland ecosystems. (bvsalud.org)
  • Quantifying the magnitude of the associated emissions and their impact on regional air quality is therefore urgently needed. (nature.com)
  • Measures are directed at reducing emissions and releases of mercury to the environment from large-scale industrial plants such as coal-fired power stations, industrial boilers, waste incinerators and cement clinker facilities. (who.int)
  • In the face of growing concern over climate change and greenhouse gas emissions, more and more people, groups and organizations are adopting "green" policies and initiatives. (planetsave.com)
  • The control measures led to improved energy efficiency and/or increased penetration of emission control devices at power plants and other important industrial sources, yielding reduced emission factors for all evaluated species except NOx. (harvard.edu)
  • Therefore, the freshwater sources that were once plentiful are now being diminished due to anthropogenic metabolism of the growing population. (wikipedia.org)
  • Emissions from sources that are owned or controlled by a company (GHG Protocol 2004: 97). (canada.ca)
  • Aircraft emissions are associated with all sorts of environmental problems. (dlr.de)
  • Input-output balances, proton budgets and critical loads suggest that the long-term sustainability of forests in the region is threatened unless atmospheric emissions of anthropogenic substances can be controlled. (who.int)
  • This is compared to total anthropogenic emissions (thick solid line) and 46% of total emissions (thick dashed line). (skepticalscience.com)
  • On 9 of 10 total days, the constrained anthropogenic emissions by a Kalman filter yield an overall 2-50% reduction in polluted areas, partly counterbalancing the well‐documented positive bias of the model. (nasa.gov)
  • In terms of policy guidance, compared to implementing structural and pathway adjustments, implementing clear total control of fertilizer usage is a timely and effective choice for reducing NH3 emissions. (bvsalud.org)
  • Fossil fuel emissions rose steadily in recent decades, contributing 8.7 ± 0.5 gigatonnes of carbon in 2008. (skepticalscience.com)