While whaling may have largely ceased, other threats to the species remain. The risk of ship strikes grows each year as the Arctic sea ice melts from global warming, opening new shipping lanes into right whale habitat. Oil and gas drilling also threatens their waters, and right whales can be entangled in fishing gear.
http://action.biologicaldiversity.org/o/2167/p/dia/action3/common/public/?action_KEY=12336