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'World trade and the world economy have changed profoundly since 2001,' the Washington-based International Food Policy Research Institute found, noting in particular the emergence of Brazil, India and China as economic and trading powers.

Sharp swings in commodities and staple food markets were not factored into the original Doha agenda, and climate change is treated only on the margins of the talks, which focus on cutting tariffs and subsidies on traded goods like cars and meat.

Copenhagen

Failure to find agreement at United Nations climate change talks in Copenhagen in December would threaten a much needed overhaul of the international trading system, Pascal Lamy, head of the World Trade Organisation, warned on Thursday.

His comments highlighted concerns that a breakdown in discussions about reducing greenhouse gas emissions may spill into the trade arena - with devastating effect, as some countries seek to exclude goods from high emitters.

If, as is likely, Copenhagen ends in failure will it spell trouble for the WTO? Pascal Lamy, head of the World Trade Organisation, certainly seems to think so.

Some developing countries have expressed concerns about environmentally linked tariffs on imports by developed nations, as the pressure to cut greenhouse gases intensifies. They claim such tariffs are in effect protectionist measures.

At a time when the developed world is trying to persuade growing economies like China and India to agree greenhouse gas emissions cuts, some climate change experts say threats to resort to trade measures are 'dangerous'.

'The discussion of trade and climate is already out there,' said one expert. 'That is a big risk for Copenhagen. Counter-measures are not a helpful dynamic. We have got to talk collaboratively.'

How do WTO do business? Criticism. Also, WTO treaties have been accused in the past of too much supporting the richer and industrialized nations rather than the poor or agro-based ones.

WTO critics claim that the developing countries wield little influence in the regime. Martin Khor argues that the WTO is biased towards the richer nations and this has been partly due to the fact that poorer countries have little influencing power. For example, a treaty between Vietnam and the US would inevitably favour the stronger of the two nations.本论文由英语论文网提供整理，提供论文代写，英语论文代写，代写论文，代写英语论文，代写留学生论文，代写英文论文，留学生论文代写相关核心关键词搜索。