InsideClimate: Warm sea temperatures are persisting in the North Pacific longer than at any other time on record, according to a new study published this week, and it is having a dramatic effect on distribution of marine life. In the last year and a half the northeastern part of the Pacific Ocean, between Hawaii and the mainland of North America, has been warmer than at any time since 1900, when such record-keeping began. Sea temperatures there are between 5 degrees to 9 degrees Fahrenheit higher than is typical...