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Opinion / Op-Ed Contributors

China's climate change efforts

(China Daily) Updated: 2011-11-23 08:00

3. Developing Low-carbon Energy

Accelerating the development of natural gas and other clean resources. The government is vigorously developing natural gas, encouraging the development and utilization of coal-bed methane, shale gas and other unconventional oil and gas resources, and has enacted a number of policies in this regard, such as financial subsidies, preferential taxation, connecting generated power to grid and electricity price subsidies. China has formulated and implemented an overall plan of management and utilization of coal mine methane, and is forcefully pushing forward the clean utilization of coal, guiding and encouraging the utilization of coal mine methane and the development of ground coal-bed methane. Natural gas production increased from 49.3 billion cu m in 2005 to 94.8 billion cu m in 2010, an average annual increase of 14 percent. In that period, China's natural gas consumption accounted for 4.3 percent of its total energy consumption, and the extraction of coal-bed methane reached 30.55 billion cu m, with the amount utilized reaching 11.45 billion cu m, equivalent to a reduction of 170 million tons of carbon dioxide emissions.

Proactively developing and utilizing non-fossil energy. China has enhanced the development and utilization of hydropower, nuclear energy and other low-carbon energy sources through policy guidance and fund input. By the end of 2010, China's installed hydropower capacity had reached 213 million kw, doubling the figure for 2005; and installed nuclear power capacity had reached 10.82 million kw, with another 30.97 million kw under construction. China supports the development of wind power, solar power, geothermal, biomass energy and other new types of renewable energy. It has improved the pricing policy for on-grid power generated by wind, and launched the "Golden Sun Demonstration Project" to promote the franchise bidding for large-scale photovoltaic power stations. It has improved the pricing policy for power generated by agricultural and forestry biomass energy, increased financial support for the development of biomass energy and enhanced methane development in rural areas. China's installed wind power capacity grew from 1.26 million kw in 2005 to 31.07 million kw in 2010, and installed photovoltaic power capacity increased from less than 100,000 kw in 2005 to 600,000 kw; the number of solar water heaters in use reached 168 million sq m; and installed biomass energy capacity was about 5 million kw. With an annual utilization of methane of about 14 billion cu m, the total number of methane users in China reached 40 million households; utilized ethanol bio-fuel was 1.8 million tons; and the contribution made by all types of biomass energy totaled 15 million tons of standard coal.

4. Controlling Non-energy-related Greenhouse Gas Emission

The government has enhanced control over greenhouse gas emission in industrial and agricultural production, waste disposal and other fields. China has applied the raw material substitution technology such as replacing limestone with carbide slag in the cement clinker production process, applied the technique of producing cement with blast furnace slag and fly ash as added mixed materials, applied secondary- and tertiary-stage treatment to address the discharge of nitrous oxide during the nitric acid production process, applied catalytic decomposition and thermal oxidative decomposition to address the discharge of nitrous oxide during the adipic acid production process, and thermal oxidative decomposition to capture and remove HFC-23. China has quickened transformation in the mode of animal husbandry production, and reduced the emission of methane and nitrous oxide in cropland, and poultry and livestock farming. The government has launched the soil organic matter advancement subsidy project, and promoted returning straw to farmland, green manure growing, adding organic fertilizer and other technologies to an accumulated total area of about 30 million mu (a Chinese unit of area equal to 1/15 of a hectare). The government has improved urban waste disposal standards, adopted a household garbage charging system, promoted advanced waste incineration technology, and formulated incentive policies for landfill gas recovery. China also carries out research and demonstration for carbon capture, utilization and sequestration technologies. Statistics showed that by the end of 2010 China's nitrous oxide emission in industrial production generally remained at the level of 2005, and the growth of methane emission was basically brought under control.

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