Provisions prohibiting post-incident drug testing that would have taken effect on Aug. 10 are pushed back to Nov. 1.

Unresolved issues include length of phase-out schedule and the amount of financial aid for developing nations.

Enbridge Energy Partners LLP has agreed to replace close to 300 miles of one of its pipelines and pay for any remaining cleanup stemming from two oil spills in 2010, including one of the worst inland spills in U.S. history, U.S. Environmental Protection Agency officials say.

House-passed legislation could make it easier for contracting firms and “good Samaritans” to clean up abandoned hard-rock and coal mines as well as sites of orphan oil and gas wells.