Agence France-Presse: European Commission president Jose Manuel Barroso said Sunday the international community must do more to ensure a climate change agreement can be reached next week in Copenhagen. Barroso said he and Chinese Premier Wen Jiabao discussed China’s offer to curb emissions per unit of gross domestic product in 2020 by between 40 and 45 percent, based on 2005 levels. The two leaders spoke over dinner on the eve of the 12th EU-China summit where concerns over greenhouse gas emissions …