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This research utilises an improved dynamic panel model to investigate the environmental effect of different technological resources in the big three regions of China, i.e. the eastern, western and central regions, from 1990 to 2014. The results show that research and development (R&D) capital stock contributes the most to the reduction of carbon emissions, whether at the national or provincial level, but physical capital stock results in an evident increment of carbon emissions in the three regions, especially in eastern China. Human capital stock, on the other hand, causes some mitigation in eastern and central China, except for western China. The spillover of international technology stock from foreign direct investment has less effect on carbon emission abatement than does import trade, though there are distinct regional differences. (China/GIGA)