例如，如果渔民有可转让的配额，污染信用可以被交易。
Pollution credits, for example, could be traded if fishermen had transferable quotas.
今年不会推动国会通过碳排放交易计划，对碳污染进行收费；这项行动将至少推迟到2013年。
Instead of using this year to get parliament to adopt an emissions-trading scheme that would put a price on carbon pollution, action will now be delayed until 2013 at least.
即使是印度和中国也已实行了其它形式的碳排放税或污染物排放交易细则。
Even India and China have adopted versions of carbon taxes or emissions trading.
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