Existing studies examined the U.S.'s direct GHG emitters and final consumers driving upstream GHG emissions, but overlooked the U.S.'s primary suppliers enabling downstream GHG emissions and relative contributions of socioeconomic factors to GHG emission changes from the supply side. This study investigates GHG emissions of sectors in the U.S. from production-based (direct emissions), consumpti...

Currently in many cities and rural areas of Vietnam, wastewater is discharged to the environment without any treatment, which emits considerable amount of greenhouse gas (GHG), particularly methane. In this study, four GHG emission scenarios were examined, as well as the baseline scenario, in order to verify the potential of GHG reduction from domestic wastewater with adequate treatment facilit...

Food sector has a considerable contribution in producing GHG emissions. In order to respond to self-imposed or mandated emission-reduction targets, businesses and other entities in this sector increasingly measure and report their GHG emissions. LCA databases, as providers of inventory data for Carbon Calculators have an important role in helping to develop more complete and accurate tools to m...

Energy from waste (EfW) for nonrecyclable wastes is a suitable method of waste management and is important for renewable energy production. South Korea currently recycles 57% of household waste and landfills 26%. The remaining 17% is incinerated, mainly for heat production. In this study, the potential for energy production and reduction of corresponding greenhouse gas (GHG) emissions from muni...

GHG emission reduction is one of the key environmental problems for the sustainable development discussion in the 21st century, because it is closely related to energy use and bulk material flows. Concrete and binding targets for reduction of greenhouse gas (GHG) emissions for Annex-1 countries are now agreed to in the Kyoto protocol. Emissions in the European Union will be reduced by 8% in the...

Ambitious climate change mitigation requires the implementation of effective and equitable climate policy and GHG emission reduction measures. The objective of this study was to explore the significance of the uncertainties related to GHG emission reduction measures and policies by providing viewpoints on biofuels production, grid electricity consumption and differentiation of emission reductio...

Energy use and greenhouse gases (GHG) emissions in rainfed canola production in north eastern Iran were analyzed to find measures to reduce energy use and GHG emissions. Four production scenarios, i.e. a high-input, a low-input, a better crop management and a usual scenario, evaluated. All activities and production processes were monitored and recorded over three consecutive years. The usua...

Due to the large-scale utilization of high-carbon fossil energy, considerable amounts of critical air pollutants (CAPs) and greenhouse gas (GHG) have been emitted, which has led to increasingly serious global climate change and local air pollution problems. Given that climate change and air pollution have the same source, energy systems, the rational development and use of energy for collaborat...

Policy-makers targeting reduction in greenhouse gas (GHG) emissions have a variety of instruments at their disposal (emission taxes excluded). Policies implemented thus far such as the Kyoto protocol, EU’s Emission Trading Scheme, and the Regional Greenhouse Gas Initiative in the US north-east, suggest that the preferred instrument is an emission quota per polluter. The prinicipal activity targ...

Biofuels are promoted in many parts of the world. However, concern of environmental and social problems have grown due to increased production of biofuels. Therefore, many initiatives for sustainability criteria have been announced. As a part of the European Union (EU) renewable energy promotion directive (RED), the EU has introduced greenhouse gas (GHG) emission-saving requirements for biofuel...