UN Climate Talks Advance, Poor Urge More CO2 Cuts

Climate talks made progress on Friday toward a new U.N. treaty to curb global warming but ended far short of calls by developing nations for the rich to make deeper cuts in greenhouse gas emissions.

Four years of talks to widen the existing Kyoto Protocol have struggled to agree on how to share the cost of efforts to curb greenhouses gas mainly emitted by burning fossil fuels.