Delegates may miss Friday deadline on Bali Commitment.

Despite a few days of intense meetings, a slew of unresolved issues will likely push negotiations on governments' commitments on sustainable development past Friday's deadline. This will likely force Indonesia as host country to extend the talks until Saturday or possibly Sunday.

As of Thursday, differences remain too far a field for a final document called the Chairman's Text to emerge on Friday, the deadline after which delegates expect to start discussing the political declaration based on the Chairman's Text.

A senior government official explained on Thursday that the Chairman's Text was originally supposed to be finalized during the third preparatory …