Obama hails breakthrough

However,Obama,who was personally involved in clinching the deal,said: After extremely difficult and complex negotiations this important breakthrough lays the foundation for international action in the years to come.

Chinese Foreign Minister Yang Jiechi said the UNs Conference of Parties on climate change was an important chance to boost international cooperation in combating global warming. The conference yielded significant and positive outcome,said Yang,who went with Premier Wen Jiabao to the summit.

Echoing similar views,German Chancellor Angela Merkel said,Copenhagen is a first step toward a new world climate order,

no more,but also no less. Merkel said that anyone who just badmouths Copenhagen now is engaging in the business of those who are applying the brakes rather than moving forward.