LINCOLN, Neb. — The developer of the Keystone XL oil pipeline plans to start construction next year, after a U.S. State Department review ordered by a federal judge concluded that major environmental damage from a leak is unlikely and could quickly be mitigated, a company spokesman said Sept. 24.

LINCOLN, Neb. — A federal judge has ordered the U.S. State Department to conduct a more thorough review of the Keystone XL pipeline’s proposed pathway after Nebraska state regulators changed the route, raising the possibility of further delays to a project first proposed in 2008.