Off the shore of Long Beach, Calif. environmentalist disagree over whether outdated oil rigs can become an addition to the marine ecosystem. Grab the embed code for this video at Times Video: http://nyti.ms/1nRbyFn Produced by: ERIK OLSEN Read the story here: http://nyti.ms/1puiUQF Subscribe to the Times Video newsletter for free and get a handpicked selection of the best videos from The New York Times every week: http://bit.ly/timesvideonewsletter Subscribe on YouTube: http://bit.ly/U8Ys7