UN climate talks in China have ended without a major breakthrough and with angry words about the US from Beijing.
At the talks in Tianjin, China blamed the US for failing to meet its responsibilities to cut emissions and for trying to overturn UN principles.
The US accused China of refusing to have its voluntary energy savings verified internationally.
But there was some progress toward the next round of climate talks in Mexico in November.
There are hopes that the meeting in Cancun could agree details of a fund to transfer $100bn (