Reuters: President Hu Jintao said on Tuesday China was committed to fighting climate change, both at home and in cooperation with the rest of the world, but stopped short of offering any new policies. Britain, Sweden and other countries have accused China of obstructing December’s Copenhagen climate summit, which ended with a non-binding accord that set a target of limiting global warming to a maximum 2 degrees Celsius but was scant on details. Chinese officials have said their country …