Reuters: Britain, France, Denmark, Sweden and Finland agreed Thursday to intensify “green diplomacy” to rescue an ambitious global climate agreement in Copenhagen in December, officials said. Danish Foreign Minister Per Stig Moller said the European Union had shown leadership by committing itself to reducing greenhouse gas emissions by 20 percent by 2020 or by 30 percent if other countries make comparable cuts. “Now it is time to show the same leadership on ensuring an ambitious …