![Cars are seen in a traffic jam along a main road in central Beijing December 16, 2009. With just three days left before the deadline for a global agreement at the Copenhagen Cars are seen in a traffic jam along a main road in central Beijing December 16, 2009. With just three days left before the deadline for a global agreement at the Copenhagen](https://c8.alamy.com/zoomsfr/9/43e59ad0fbf54a61a4b6515fdff53cf8/2d15pjn.jpg)
Cars are seen in a traffic jam along a main road in central Beijing December 16, 2009. With just three days left before the deadline for a global agreement at the Copenhagen
![Canada, Quebec province, Montreal, traffic, traffic jam at rush hour on Highway 40, Stock Photo, Picture And Rights Managed Image. Pic. HMS-HEMIS-1674652 | agefotostock Canada, Quebec province, Montreal, traffic, traffic jam at rush hour on Highway 40, Stock Photo, Picture And Rights Managed Image. Pic. HMS-HEMIS-1674652 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/335f585e89f2f9b3549b0485949538d6/hms-hemis-1674652.jpg)
Canada, Quebec province, Montreal, traffic, traffic jam at rush hour on Highway 40, Stock Photo, Picture And Rights Managed Image. Pic. HMS-HEMIS-1674652 | agefotostock
![Cars sit in a traffic jam as they make their way along a main road in central Beijing April 10, 2009. Vehicle sales in China, the world's largest car market, climbed to Cars sit in a traffic jam as they make their way along a main road in central Beijing April 10, 2009. Vehicle sales in China, the world's largest car market, climbed to](https://c8.alamy.com/zoomsfr/6/e035cfe8d57b436c9ee75f037f1bb853/2d22hck.jpg)