World Leaders Prepare to Sign Climate Deal

(18 Dec 09 - RV) Negotiators worked through the night to produce a core document to be signed at today’s summit, which is expected to amount to only a political declaration of intent to take firmer steps against global warming. Professor Aldo Iacomelli from Rome’s La Sapienza University, who is in Copenhagen, told us we would have to wait until next year’s summit in Mexico for a legal accord: