
Cities around the world account for 71 per cent of the world's greenhouse gas emissions.
China is the largest producer of emissions in the world, according to risk management consultancy Maplecroft. China emits about 6,018 million tons of greenhouse gases per year. Click NEXT to find out the most polluting nations...
2. United States
The United States is a close second with 5,903 million tons of greenhouse gases released each year.
...

3. Russia
Russia produces about 1,704 million tons per year.
...

4. India
India releases about 1,293 million tons per year.
...

5. Japan
Japan produces 1,247 million tons per year.
...

6. Germany
Germany produces about 858 million tons of greenhouse gases per year.
...

7. Canada
Canada produces 614 million tons of greenhouse gases per year.
...

8. Britain
Britain produces 586 million tons per year.
...

9. South Korea
South Korea produces 514 million tons per year.
...

10. Iran
Iran produces 471 million tons of greenhouse gases per year.