EurActiv: China, the EU and 23 other Asian nations have signed a declaration pledging to tackle climate change within the framework of UN-led negotiations that will wrap up at a major summit in Copenhagen in December 2009. “We call upon the international community to consider the most ambitious set of targets” for reducing greenhouse gas (GHG) emissions, reads a joint declaration signed in Beijing over the weekend (24-25 October) by the 45 nations that take part in regular summits organised …