League negotiators set a militant tone with their initial offer, made late Friday afternoon in Toronto.
In talks in Pyongyang, negotiators set June 6 as the date for linking a newly built rail line across the demilitarized zone.
Under that policy, nonunion contractors were able to bid on projects but had to follow rules on overtime, benefits and other conditions set by union negotiators.
So the negotiators set up a special joint administrative area for Abyei, which encompasses several thousand square miles, most of it swamp and scrub brush, and about 150,000 people.
Years of distrust and suspicion have made the crisis over Iran's nuclear programme hard to solve, but negotiators set 31 March as a deadline to reach a framework deal.
If, for example, negotiators set the global emissions limit for 2030 at 30 billion tons of carbon dioxide emitted, each nation would determine what its citizens' individual responsibilities to cut emissions were to achieve that cut and then add them up.
A weekend agreement between House and Senate negotiators set up Senate approval.
The negotiators set a deadline of six months to finish the final peace accord.
With the negotiators set to meet Thursday, both sides appear to remain far apart on the terms of any deal.
Townshend cautioned, however, that even all those laws do not put the world on a path to meet the goal of limiting the rise in global temperature to 2 degrees Celsius, a goal that UN negotiators set at their 2009 convention in Copenhagen.
