PM's visit follows memorandum of understanding between Ottawa and Alberta supporting new pipeline to the Pacific ...

Pelicans float on the water with an offshore oil platform in the background in the Santa Barbara Channel off the coast of Santa Barbara, Calif. in 2010 (AP photo/Mark J. Terrill, File) LOS ANGELES ...

Decades of research shows waves, wind and darkness would defeat containment efforts for much of the year, raising questions ...