As a signatory to the Kyoto pact on climate change, Britain must reduce carbon emissions by 20 percent by 2010.
As a signatory to the Kyoto pact on climate change, Britain must reduce carbon emissions by 20 percent by 2010.
作为有关气候变化的京都议定书的签署国，到2010年英国必须将碳排放量减少20％。