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According to the National Standard of the People's Republic of China <Agricultural Safety and Quality of Agricultural Products — Pollution-free Vegetable Production Environment Requirements> (GB/T18407.1-2001), environmental quality assessment of heavy metal in soil of pollution-free vegetable produced in Hebei Plain Area was carried out. The results by the single-index model indicated that...
Since the beginning of the 21st century, the eco-industrial park has become the important carrier for the development of circular economy in the US and the EU countries. It is also the new direction and trend for the development of the industrial park. This paper discusses the main characters of the eco-industrial park through the analysis of the eco-industrial park in the US and EU. The Wuhan metropolitan...
With the continuous growth of global population and economic scale, the global climate change caused by high concentration of carbon dioxide in the atmosphere has been recognized as an undisputed fact. Therefore, the low-carbon economic development model characterized by low emission, low energy consumption and low pollution has become a necessary measure to treat the urban ecological environment...
It is inevitable that there must be changes in the pattern of urbanization from high — carbon to low-carbon. And this is also the major strategy for China's urbanization. Meanwhile low-carbon urbanization is the leading concept of low-carbon economy. So low-carbon urbanization in Sichuan should be accelerated in the province's new urbanization.
Firstly, this paper summarizes the research results that relate to circular economy competitiveness in the metropolitan region. Secondly it puts forward the formation mechanism of circular economy competitiveness in the metropolitan region based on systematics, regional economics and evolutionary economics. finally,it proves scientificity of the formation mechanism of circular economy competitiveness...
As interests in the impacts of business activities on environment have been growing, environmental policy is now shifting from the “end of pipe” stage to the next stage, “cleaner production”, which factor in the life cycles, and social efficiency. Since the early 90's, the concept of cleaner production has been recognized and promoted. An increasing trend in environmental departments of state and...
The ecological map has been processed at the scale of ratio, which included the location of ecological pollution source the distribution and level of pollutants on the local are of UB city. Local area of the city is divided in pollution drift zone and sedimentation zone. The map included mobile elements nitrate compounds, heavy metals in soil biological active microelements, forms of oxygen oily,...
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