by Chris Lang. Published in Gen-ethischer Informationsdienst,

February/March 2005.


The United Nations Framework Convention on Climate Change (UNFCCC) came to force in 1994. The convention states that its purpose is the "stabilization of greenhouse gas concentrations in the atmosphere at a level that would prevent dangerous anthropogenic interference with the climate system". Yet in the decade since 1994, greenhouse gas emissions increased by 11 per cent, according to the World Resources Institute.(1)

When the thousands of participants get together each year to discuss climate change at the Conference of the Parties to the UNFCCC, reducing greenhouse gas emissions is not even on the agenda. In December 2004, the tenth Conference of the Parties (COP-10) took place in Buenos Aires. After two weeks of negotiations, the best that the more than 6,000 participants could achieve was an agreement to hold another meeting. But at this next meeting, which is to be held in Germany in May, participants will not be allowed to discuss anything which might lead to new commitments. The US refused to agree to a meeting focussing on compulsory reduction of emissions.

The US, with about five per cent of the world's population is responsible for more than 20 per cent of carbon dioxide emissions. The USA has not signed the Kyoto Protocol, and has no intention of doing so. But as Michael Zammit Cutajar, the ex-Executive Secretary of the UNFCCC Secretariat, explained recently: "The Kyoto Protocol['s] . . . market orientation was largely inspired by the USA [and] largely instigated by the negotiating positions of the USA."(2)

Kyoto's "market orientation" allows Northern countries to meet part of their emissions targets by trading carbon dioxide with each other. Carbon trading "turns the earth's carbon-cycling capacity into property to be bought or sold in a global market," states the Durban Declaration on Carbon Trading, which has been signed by more than 100 NGOs.

Kyoto's "market orientation" also allows increased emissions of greenhouse gases. Through the Kyoto Protocol's clean development mechanism, industrialised countries can invest in projects in the South which are supposed to store carbon, thereby gaining credits allowing further emissions. One example of this is the establishment of tree plantations as carbon sinks.

If a power company in the Netherlands (say) wants to build a new power plant, it can plant an area with trees in Ecuador (say) to absorb the carbon dioxide produced by the new plant, thus making its new power plant "carbon neutral", in the jargon of the carbon traders. In 1994, an official from the US Department of Energy said that "Tree-planting will allow US energy policy to go on with business as usual out to 2015."

On one level, it all sounds perfectly reasonable. Trees absorb carbon dioxide from the air through photosynthesis. Carbon is stored in wood and other tissues until the tree dies.

Logic and fraud

But the logic behind carbon sinks is based on a fraud. In the international climate change negotiations, one ton of carbon released by burning fossil fuels is considered to be the same as one ton of carbon contained in a tree plantation. From the point of view of the impact on the climate, however, these are two different types of carbon which cannot be added to, or subtracted from, each other.

When carbon is stored in the form of fossil fuel under the earth it is stable. Unless it is dug out and burnt, it will not enter the atmosphere. Tree plantations are relatively unstable. They can catch fire, they can be destroyed by pests, they can be damaged or blown down in storms, they might be logged or local communities might try to reclaim the land they lost to the plantations by cutting down the trees. All trees eventually die and decay. In all these cases the carbon temporarily stored in the trees is released to the atmosphere.

In December 2003, at the ninth Conference of Parties to the UNFCCC (COP-9), government representatives agreed the rules under the Kyoto Protocol’s clean development mechanism for tree plantations as carbon sinks. One of the decisions reached at the meeting allows genetically engineered (GE) trees to be used as carbon sinks under the Kyoto’s clean development mechanism.

COP-9 "formulated rules for capturing new subsidies for industrial forestry projects that will accelerate global warming, disempower activists trying to tackle it, promote genetically-modified monoculture tree plantations, reduce biodiversity—and violate local people's rights to land and forests worldwide," as Larry Lohmann of The Corner House, a UK-based solidarity and research group, put it.(3)

Before COP-9 both Norway and Switzerland had publicly argued against the use of GM trees in the Kyoto Protocol. At the meeting, the Norwegian negotiator suggested excluding GM trees entirely from Kyoto. Nevertheless, the end result of the COP-9 meeting was that Kyoto rules now state that countries where plantations of GM trees as carbon sinks are planned should "evaluate, in accordance with their national laws, potential risks associated with the use of genetically modified organisms by afforestation and reforestation project activities".

Even the mention of the word "risks" was too much for Harlan Watson, the US chief climate negotiator. "We felt particularly that this singling out of GMOs was inappropriate in this context," Watson told Agence France-Presse.

In an official submission issued at the end of COP-9, the US government stated: "Genetically modified organisms do not present unique risks that would warrant specific mention in the preamble to a decision on Clean Development Mechanism activities."

Industrial plantations

In order to have a noticeable effect on the climate, immense areas would have to be planted with trees. Industrial tree plantations have caused serious problems for communities living near them in the South. In Brazil, for example, Aracruz Cellulose, the world's largest producer of bleached eucalyptus pulp, established its plantations on the lands of the Tupinikim and Guarani indigenous peoples and other local communities. In April 2004, Brazil's Movement of Landless Peasants protested against the pulp and paper industry's take over of vast tracts of land in Brazil. Landless people occupied areas of industrial tree plantations owned by six pulp and paper companies including Aracruz.

Using GM trees as carbon sinks would bring problems additional to those of large scale industrial tree plantations. In 1993, Japanese car manufacturer Toyota started field trials to test trees which had been genetically modified to absorb more carbon. While carbon absorption increased, Toyota's scientists also noted a dramatic increase in water consumption.

The first open air trial of GM poplars took place sixteen years ago in Belgium. Since then there have been several hundred field trials, most of them in the USA. All of these were experimental plots and the trees were destroyed at the end of the experiment.

The first commercial application

Two years ago, the Chinese government allowed the commercial release of GM trees. Well over one million insect resistant GM poplar trees have now been planted in China. Many of China's GM trees are planted in experimental plots, but it is possible to buy GM trees from Chinese tree nurseries and to plant them anywhere in the country. Neither the Chinese government nor the forestry scientists who produced the trees have records of where the trees have been planted.

Huoran Wang, a forestry scientist at the Chinese Academy of Forestry in Beijing, explained the risks involved at a meeting organised by the UN Food and Agriculture Organisation in 2003. "Poplar trees are so widely planted in northern China that pollen and seed dispersal can not be prevented," Wang explained. He added that maintaining "isolation distances" between GM and non-GM poplars is "almost impossible".

Genetically modified trees pose the ultimate threat to the world's forests. Unlike food crops, trees can live for hundreds of years. It is impossible to predict what might happen over the life of a tree, how it will be affected by extremes of heat or cold, for example. If GM trees were to cross with natural trees, invade natural ecosystems and their impacts were to become all too visible, it would be too late. There is no way of recalling them to the laboratory.

No boundaries

GM trees that produce pollen could cross with native trees, irrevocably changing forest ecosystems. Some trees can re-grow from broken twigs and others grow suckers from the roots of living or already fallen trees. Seeds can float down rivers. Trees, whether genetically modified or not, do not respect international boundaries. GM trees (or genes from those trees) planted in one country could spread into neighbouring countries, regardless of international legislation on importing GMOs. Yet forestry scientists argue that the only way to find out whether their new GM tree technology is safe is by trying it out commercially. Steven Strauss, professor at the Department of Forest Science at Oregon State University, wrote in 2002, "As with other forms of novel breeding, the extent of testing needed will be determined empirically – via adaptive management – during early commercial applications."

Silent plantations

Forestry scientists are working on producing GM trees which are sterile, in order to prevent the trees from crossing with natural trees. Plantations of sterile trees would have neither flowers nor would they produce fruit or seeds. They would grow faster but would be silent.

Silent, sterile monocultures might look good from the corporate perspective, but they would be a disaster for insects, birds and wildlife as well as for people living near the plantations.

The US Department of Energy is funding a three year, US$5.1 million research project into the possibility of using plantations of poplar trees to store carbon. Scientists at Oak Ridge National Laboratory (ORNL) are collaborating with the Universities of Florida, Oregon State and Minnesota as well as the National Renewable Energy Laboratory and the US Forest Service to produce GM trees which would store carbon. "We’re talking about millions of acres," ORNL's Stan Wullschleger told the Knoxville News Sentinel in March 2003.

Oregon State University's Steven Strauss is one of the world's biggest proponents of GM trees. Yet he admits that there is "a lack of a pressing need for the technology [of GM trees] at present in the USA". This is "due to a lack of tax incentives for intensive tree-based pulp and bioenergy plantations, low world pulp prices, etc." However, he adds, "This of course could change radically overnight if the world were to get serious about carbon emissions control and sequestration."

The decision reached in December 2003 at COP-9 allowing Northern companies and governments to establish plantations of GM trees in the South might be precisely the subsidy that proponents of GM trees have been looking for to impose their dangerous new technology on the world. The winners would be timber plantation companies, consulting firms and polluting energy companies. The losers would be rural people in the South, who would see their lands converted to monoculture tree plantations and their livelihoods destroyed. If they are ever planted, the resistance to GM tree carbon plantations will be massive.

Related articles

* November 2004 - Emissions trade instead of climate protection
* August 2004 - China: Genetically modified madness
* May 2004 - Genetically modified trees cause memory loss
* March 2004 - Climate change: Hot air, fake science and genetically modified trees
* More articles about GE trees here.
* More articles about climate change here.


1. A list of companies that support World Resources Institute appears on the organisation's web-site. Here is a short selection: Shell International, Shell Foundation, Monsanto, McDonald's Corporation, Microsoft Corporation, BP, Citigroup Foundation, Cargill Dow, General Motors Corporation, Ford Motor Company Fund.

2. Michael Zammit Cutajar "Reflections on the Kyoto Protocol - looking back to see ahead", 1. Juli 2004, in Memorandum to the Inquiry into the International Challenge of Climate Change: UK Leadership in the G8 and EU, The Corner House, Sinks Watch and Carbon Trade Watch, December 2004.

3. Larry Lohmann, Race to the Bottom at the Climate Talks, Forest Cover: A Global Forest Coalition Newsletter on International Forest Policy, Nr. 11, Februar 2004.



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