Crunch time for an international agreement to tackle global warming is only weeks away. In December, the world will meet in Copenhagen to negotiate a new agreement on cutting global emissions of greenhouse gases, with prospects for a meeting of minds still far from certain. Developed countries' fears that the competitiveness of their industries will be undermined by weak emission-reduction pledges from developing countries are clouding hopes for progress. These fears have led to calls in some advanced countries, such as France and the US, for taxes on imports from countries that do not adopt stringent greenhouse gas targets.
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