『Abstract
The development of urbanization is accelerating in China, and
there are great pressures and opportunities in cities to reduce
carbon emissions. An emissions inventory is a basic requirement
for analyzing emissions of greenhouse gases (GHGs), their potential
reduction and to realize low-carbon development of cities. This
study describes a method to establish a GHGs emissions inventory
in Chinese cities for 6 emission sources including industrial
energy consumption, transportation, household energy consumption,
commercial energy consumption, industrial processes and waste.
Nanjing city was selected as a representative case to analyze
the characteristics of carbon emissions in Chinese cities. The
results show that carbon emissions in Nanjing have increased nearly
50％ during the last decade. The three largest GHGs contributors
were industrial energy consumption, industrial processes and transportation,
which contributed 37-44％, 35-40％ and 6-10％, respectively, to the
total GHGs emissions. Per GDP carbon emissions decreased by 55％
from 2002 to 2009, and the per capita and per GDP carbon emissions
were comparable or even lower than the world average levels. These
results have important policy implications for Chinese cities
to control their carbon emissions.
Keywords: Greenhouse gas emissions; Climate change; City-scale』
1. Introduction
2. Methodology
2.1. Scope of the emissions inventory
2.2. Accounting methods for various sectors
2.2.1. Industrial energy consumption
2.2.2. Transportation
2.2.3. Household energy consumption
2.2.4. Commercial energy consumption
2.2.5. Industrial processes
2.2.6. Solid waste
2.3. Total carbon emissions for a city
3. Results and discussion
3.1. Sectoral carbon emissions
3.1.1. Industrial energy consumption
3.1.2. Transportation
3.1.3. Household and commercial energy consumption
3.1.4. Industrial processes
3.1.5. Solid waste
3.2. Total carbon emissions
3.3. Carbon emission intensities
3.4. Uncertainties
4. Conclusions and policy implications
Acknowledgments
Appendix. City comparison data sources
References