Study on China’s energy-related CO2 emission at provincial level

Abstract

To begin with, the gravity model is used to study the spatial distribution and centers of gravity for energy-related CO 2 emission at regional level and to determine how they have changed over the period 1995-2010 in this paper. Furthermore, the occurrence of a decoupling of each province region between economic activity and CO 2 emission from energy consumption is examined based on decoupling index method. The main results are as follows: (1) In 1995, there were only seven provinces, each province of which emitted more than 150 Mt CO 2 . However, there were 25 provinces and each province's CO 2 emission was more than 150 Mt in 2010. (2) In terms of the annual growth speed of CO 2 emission, Neimenggu was the fastest. (3) During the study period, the centers of gravity for CO 2 emission are an overall movement toward southwest. (4) During the study period, the decoupling index for 23 provincial regions firstly increased and then decreased; there were six provincial regions whose decoupling index increased continuously; however, the decoupling index for Tianjin firstly decreased and then increased.

Eco-Efficiency Trends and Decoupling Analysis of Environmental Pressures in Tianjin, China

“…This is consistent with the results of a decoupling study conducted at the provincial level of China [29]. There was also an expansive coupling effect during two years (2006 and 2007) and an expansive negative decoupling effect in 2004.…”

“…The %ΔGDP denotes the growth rate of GDP from the last phase to the base period, and GDPi and GDPi − 1 represent the GDP of years i and i − 1, respectively. Table 1 shows eight possible decoupling states based on the decoupling elasticity value [18,29]. Coupling occurs when the decoupling elastic coefficient value falls within the range of 0.8-1.2, implying that the dependence of economic growth on environmental impacts is reinforced.…”

Tourism-Related CO2 Emission and Its Decoupling Effects in China: A Spatiotemporal Perspective

“…In 2002, OECD introduced decoupling into the research of agricultural policy, which then gradually expanded to the environment and other fields [34][35][36][37]47]. Decoupling analysis is the significant method to characterize the relationship between environmental pressure or energy use and economic growth [48,49]. Referring to the available literatures on decoupling index (DI) approach [35,39,42,43], this study constructed DI for decoupling CO 2 emissions from tourism economy using the following equation:…”

Mapping and modeling multiple benefits of energy efficiency and emission mitigation in China’s cement industry at the provincial level

“…However, the distribution of multiple benefits potentials in China's cement industry on a local level is still missing. Only several studies are available which consider the impacts of energy efficiency [21,22], the impacts of carbon tax and financial incentives on CO 2 reduction [23,24], the environmental efficiency of energy utilization, CO 2 emissions and environmental regulation [25], air pollution control and performance [26], the key for energy conservation across regions in China [27]. However, within above studies the multiple benefits issue in the cement sector at a regional level has not yet been assessed.…”