Street vendor and customers
Media playback is unsupported on your device
Video

China faces growing climate challenge

China will host its first UN climate change conference this week, as it faces its own challenge to reduce greenhouse gas emissions as its economy grows.

The meeting in Tianjin is expected to produce a draft negotiating text that nations will debate at a summit in Mexico.

The BBC's Roger Harrabin reports.

Go to next video: New threat looms for precious reef