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The city of Shanghai is one of the 25 cities emitting 52% of greenhouse gas emissions. Photo: AFP According to research from China, 25 mega-cities are responsible for more than half of the world s urban greenhouse gas emissions. Cities in China, as well as in Japan and Russia, are notably singled out in the study. Global greenhouse gas emissions are largely being driven by a small fraction of cities, according to a new study by researchers from China s Sun Yat-sen University and the Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology in Guangzhou. The research reveals that, among 167 cities studied, more than 50% of urban greenhouse gas emissions are emitted by 25 very large cities. Among these are 23 Chinese cities – including Shanghai, Beijing and Handan – as well as Tokyo and Moscow.

South africaSoult ukpyolsiSouth koreaKrung thep mahanakhonUnited statesGuangdong provincial key laboratory of environmental pollutionChina sun yat sen universityRemediation technologySun yat sen universityGuangdong provincial key laboratoryEnvironmental pollution controlதெற்கு கொரியாஒன்றுபட்டது மாநிலங்களில்சீனா சூரியன் யத் சென் பல்கலைக்கழகம்பரிகாரம் தொழில்நுட்பம்சூரியன் யத் சென் பல்கலைக்கழகம்