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By Julian Wong Dec.18.2009
In: CDM, climate change, rural development
1 comment

Wheres the countryside at Copenhagen?

The Need to Mobilize Farmers to Fight Climate Change

This guest post is by Michael Davidson,  a Fulbright Fellow with the BP-Tsinghua Clean Energy Research and Education Centre in Beijing in 2008-2009. His research interests took him from the very big (renewable energy policy) to the very small (household biogas systems) in the quest to understand China’s sustainable development. Michael majored in  physics and Japanese at Case Western Reserve in Cleveland, Ohio, USA.

The next climate defender standing over his biogas digester in rural Yunnan.

Pictured right: The next climate defender standing over his biogas digester in rural Yunnan.

The agricultural powerhouse of China try as it might cannot escape its past: with 60% of its population living in rural areas and maintaining food self-sufficiency a well-established national directive, the “sea” of farming and pastoral land will not be overshadowed by the rapidly industrializing urban “islands” it surrounds in the foreseeable future. Indeed, given China’s majority rural demographics, it is no wonder the Central Government is taking land and water resource access in the impoverished West seriously – lest there be rioting farmers on top of everything else for the CCP to worry about. Because the coming climate crisis will disproportionately affect the rural economy, namely through its impact on land and water,

It is important to remind ourselves of the rural dimension of what is going on at Copenhagen.

Traditionally, arable land has been threatened by over-grazing, excessive fertilizer use and encroaching urban centers. Water resources have been polluted with industrial and agricultural run-off, diverted to cities and threatened by non-existent waste management services in villages. Add to this mix desertification, drought and unseasonable flooding due to climate changes, and the backbone of a robust farming state seems less able to withstand the stresses.

In response to this, China’s environmental protection has been beefed up by the addition of a new ministry and pro-active measures towards emissions intensity targets and handling conventional pollutants. These have not been followed, however, by an increase in funding and manpower for solving rural environmental issues – in a system not designed for distributed, low-level populations and pollution sources deficiencies abound (see this outline of rural pollution factors – Chinese only). A report earlier this year then made the important link between rural poverty and deteriorating environment in China. Read the full story

By Julian Wong Mar.18.2009
In: agriculture, coal, rural development, uncategorized
5 comments

Small-scale Agriculture: A Viable Solution for China's Food and Environmental Concerns?

A guest post by Heather Chi on the promise (and potential perils) of small-scale organic agriculture in China.

Given the urgent need to reform China’s agriculture and food production infrastructure in the context of rising concerns about the country’s ability to feed its growing population, the need to ensure food safety for locally grown and exported produce, as well as the need to reduce agriculture’s environmental footprint, promoting small-scale agriculture emerges as a viable option that China’s policymakers should seriously consider.

Firstly, small-scale agriculture has significant potential to lift China’s struggling rural farmers out of poverty. A recent study on fruit farmers in Shandong reveals that at least a number of small and poor farmers have been able to access traditional marketing channels despite the rise of larger industrial farms that are increasingly integrating these supply chains. This is largely on account of the observation that a majority of transactions between buyers and producers are conducted in cash and done on a spot-market basis, rather than by supply contracts. This suggests that increased financial and technological support for small, rural Chinese farmers could be a significant contributor towards boosting rural incomes and narrowing the income gap between traditional and industrial agriculture. Read the full story

Green Hops: Green People's Congress, Beijing Solar Thermal Plant, Forestry Initiatives

This edition of Green Hops is dedicated to Andrew Symon, a Singapore-based journalist specializing in energy and whom I have had the pleasure and honor of making an acquaintance of as a result of his writings at Asia Times Online.  He passed away unexpectedly on February 24, 2009.  Andrew’s generosity, sense of mission and powerful intellect will be sorely missed.

Energy intensity (energy consumption per unit of GDP) last year was reduced by a further 4.59%, bringing the three year total in energy efficiency gains in 2006 through 2008 to 10.08%.  This means that to reach its 20% energy intensity reduction target over the five year period for 2006 through 2010, it will have to reduce almost another 10% in energy intensity over 2005 levels.  Even if it seems difficult to achieve, such efforts much press on.  To sobering reality is that China’s annual greenhouse gas emissions surged 45% from 2002 to 2005 alone due to a combination of structural changes in industrial activities and increased consumption.  Half of that increase, apparently, was driven by manufactured exports. But the Chinese authorities say that exports in general are declining (25% year on year) and that the amount of “high-energy-consuming products” exported in 2008 declined 16.2%  from the previous year. Read the full story

By Julian Wong Feb.27.2009
In: agriculture, rural development, urban planning
10 comments

Eco-Infrastructure: Letting Nature Do the Work

There are perhaps 40 different eco-city projects across China at the moment.  If you had to design your own city, what would its infrastructure look like?  Are cities, per se, even the right form of settlement for eco-planners to design?  Here, The Green Leap Forward takes a look at several ideas in eco-community design, inspired by visits to several proposed eco-city sites in China last year, several presentations at a recent conference at the National University of Singapore, and the writings of Brian Milani.

Unified Infrastructure: Using Systems Thinking to Build Communities

If we think about the essential functions of a city, we would probably come up with a list including housing, food, clean water and air, electricity, mobility and access, education, jobs, recreation, and perhaps a few others.  The problem is that these seemingly disparate Read the full story

Green Hops: Drought, Cars and International Partnerships

Its been a busy few weeks since our last Green Hops, so GLF is gonna pack in the updates over two posts consecutive posts.

Drought

The “worst drought in half a century” affecting eight northern and central provinces dominated the past week’s news.  A 90 percent drop in average rainfall since last November will affect 11 million hectares of wheat crops and create a drinking water shortage for 4.4 million people and 2.2. million livestock.  RMB 187 billion of emergency funds have been earmarked.  As stop-gap measures, authorities are diverting water from the Yangtze and Yellow River to drought-ridden areas, as well as shelling the sky with pellets to induce rain, Beijing Olympics-style.  The water diversion measure has been able to get half of the wheat lands irrigated, but is rather ironic given that a recent study shows that 82% of China’s whopping 3.57 million square kilometers of degraded lands (equivalent to the size of 10 Germanys!) exists in the Yangtze River and Yellow River valleys.  The water scarcity woes of northern China have been well described on this blog by Christine Boyle.  The World Bank also chimes in with its own comprehensive list of policy recommendation to address water scarcity. Read the full story

Green Hops: Green Car Washing; Pearl River Delta; Solarizing Qaidam Basin

Mobility

In the wake of more bad (good if you are for green) news in China’s auto sales trends, GLF is observing an increasingly resonant cacophony of green washing in the auto sector…

Small is beautiful” seems to be the message by industry analysts to Chinese auto makers.  The government agrees, as evidenced by the new tax breaks given to cars with smaller engines.

Haifei Automobile Group joins the electric vehicle race and sets its sights on launching the Haifei Saibo electric vehicle in the U.S. markets later this year.  Lithium-phosphate battery maker China BAK is getting government support for R&DGreentechMedia debates if the U.S. will move from Arab oil dependence to Asian car battery dependence.  Another angle is if both the U.S. and Asia moves towards South American lithium dependence.

Beiqi Foton Motor (SHSE: 600166) established China’s first manufacturing and R&D base for new energy vehicles in Beijing.  The base covers an area of 1,000 mu (around 66.67 hectares), with a total investment of Read the full story

JUCCCE Clean Energy Forum--Closing Summary

The following is the complete transcript, modified and supplemented for completeness and readability, of the closing speech that the author of this blog (pictured below) delivered on November 11 at the JUCCCE Clean Energy Forum in Beijing.

We are at war.  A world war.  But unlike World War I or II, this is not a war about military tanks, but it’s a war about gas tanks.  This is not a war about military strength, it’s a war about political strength, and innovation.  This is not a war about conquering territories, its about conquering our addiction to fossil fuels.  And unlike the first two wars, we are all fighting from the same side.  We are engaged in a global energy and climate war.  We have essentially, through our reckless consumption of the earth’s natural resources, provoked an unanticipated response in the world’s climatic system.  We have essentially pitted Mother Nature against Mother Nature, and we are all caught in the middle.

So what now?

We need a serious restructuring of the way we organize our energy system, implement new rules and policies, and adopt new ways of using energy.  We need to, as Rob Watson says, change transform “ego-nomics” into “eco-nomics,” and we do this by appropriate adapting human laws to the immutable laws of nature.

So how do we get there?  How do we achieve the innovation to meet the energy-climate challenge?  We need an smart and well informed mix of regulatory and market mechanisms.  There is no single silver bullet, but I believe that over the past two days of discourse, we have collectively started forming a framework for the array of solutions, a full complement of many green bullets to get the green revolution under way.  I see three themes emerging from our discussions:  Read the full story

Green Hops: Solar Irrigation, MEP Hall of Shame, Beijing Traffic

Nuclear is Hot. Big 5 power company China Huaneng Group has signed contracts with suppliers to equip its first nuclear power plant in Shandong province. The plant, planned for 200 MW in its first phase with a 2013 start date, will boast “high temperature, gas-cooled technology” (HTR-PM), which is supposed to be safer and simpler in design compared to conventional nuclear plants. It is the smallest of 21 plants in China’s nuclear pipeline. For the tech geeks our there, Tsinghua University, one of the purported suppliers of nuclear equipment for the project, has put out a paper describing HTR-PM.  A review of China’s nuclear sector is really overdue here at The Green Leap Forward. Watch for it.

Solar-Powered Water. The Xinjiang government has invested RMB 160 million ($23.5 million USD) in a drip irrigation system powered by solar panels. [Pictured: a picture of a generic drip irrigator stolen from the interweb].  Elsewhere, China Solar & Clean Energy Solutions has been awarded a US$3.5 million solar water heating project in Shenzhen.  Separately, the Beijing government announced it will invest RMB 13 billion (US$1.9 billion) over the next three years in Read the full story

By Julian Wong Aug.21.2008
In: biofuels, climate change, rural development
1 comment

Pig Power—Rural development through biogas digesters

One of the themes of Chinese energy policy is the use of renewable, distributive energy solutions to aid rural development. One of the more successful rural energy development strategies is the use of biogas digesters, which involves a process whereby organic material such as agricultural or animal waste are broken down by specific types of bacteria by anaerobic digestion, releasing carbon dioxide and methane gas. For the chemistry geeks out there, here is the chemical equation:

C6H12O6 → 3CO2 + 3CH4

The resulting methane gas burns more cleanly than say wood, coal or kerosene, and is channeled indoors to run fire stoves for cooking or to run gas lamps. The use of biogas, especially in rural areas, provides a multiplicity of benefits that has made the popularization of biogas systems a cost-effective rural energy development strategy:

  • Health.  Indoor air quality is improved as methane burns more cleanly than existing stove fuels such as coal, wood or dung.
  • Time.  Much time (as much as 3 to 4 hours a day) otherwise used for wood collection is saved and can be devoted to economically productive activities.
  • Money.  Money otherwise spent on fuel is saved as the raw ingredients needed for biogas systems consist of agricultural, animal and human waste that is generated by the household anyways.
  • Fertilizer.  The residual slurry from the anaerobic digestive process makes for an ideal fertilizer for the farmer’s crops, reducing the need to purchase, and the demand for, petrochemical-based fertilizers.
  • Reduced Deforestation.  Deforestation (and its ecological implications such as soil erosion) is reduced as the demand for wood as a fuel is made unnecessary.
  • Climate Protection.  Methane gas, which is a greenhouse gas with a global warming potential that is over a period of a hundred years some 25 times that of carbon dioxide, that might otherwise be leaked into the atmosphere through natural anaerobic decomposition is channeled towards productive uses.

Case Studies around China

The Shaanxi Mothers’ Environmental Protection Volunteer Association (Shaanxi Mothers) were recipients of an Ashden Award in 2006 for its efforts in spreading a biogas system that is dubbed in the following video as “four-in-one system.”

A true “four-in-one system,” however, consists of a greenhouse (an element missing in the above video), pigsty, human toilet, and anaerobic digester (See diagram below). This set up is favored in the colder northern regions as the greenhouse increases agricultural crop yields while keeping the pigs warm as well. For more information on “four-in-one systems,” click here, here and here.

The southern province of Yunnan (云南) (hat tip to China’s Green Beat)…

…and southwestern province of Guangxi (广西)…

… are also adopting their own variation of biogas digesters. The warmer climates in these regions make the economic case for integrating greenhouses less compelling, but similarly rely on closing the loop on human and animal waste and creating a circular flow of waste-to-energy to create a sustainable and renewable energy system.

An International Model for Rural Development?

The adaptability of Chinese biogas systems to other developing countries may be challenging. According to Village Earth:

Attempts to replicate the Chinese results outside the PRC have yielded very uneven results. Building materials, such as cement, lime and quarried stones which are produced locally on Chinese communes are unavailable or very expensive in many other countries. Also, the Chinese skill and diligence in construction (particularly for the vaulted dome designs) and maintenance may be difficult to find or develop elsewhere.

There is in fact a question on the veracity of reports on costs and gas yields of Chinese systems:

One observer notes that the Chinese digesters are very similar to septic tanks, and that their gas yields per unit volume may be only a fraction of large-scale sewage digesters—meaning the gas production may be significantly lower than commonly assumed. It should also be remembered that virtually all reports on the Chinese successes have come from the Chinese themselves, so that data on construction costs and gas yields need further confirmation.

That being said, there appears to be biogas success stories in places like Nepal and Rawanda.

Related:
General Electric has announced that it will provide its proprieatary Jenbacher gas engines for a biogas project that will convert methane generated from the anaerobic digestion of chicken waste into electricity in northern Beijing.  The project is expected to qualify for clean development mechanism (CDM) financing by reducing an equivalent of 95,000 tons of carbon dioxide-equivalent per year.