This intense noise pollution would be in order to extract oil, the likely spillage of which would destroy the fragile Arctic ecosystem, and the burning of which would set the planet on a path to climate change that would render the oceans uninhabitably acidic. So the marine mammals may as well surrender now.
“The Bureau of Ocean Energy Management, an agency within the U.S. Department of the Interior, gave conditional approval in May to Shell’s resumption of fossil fuel exploration in the Arctic. …
The decision was met with approval by some Alaska lawmakers, who believe it will bring money and jobs to the state, as well as protests from environmentalists.” (http://uk.reuters.com/article/2015/06/02/us-shell-alaska-lawsuit-idUKKBN0OI2IH20150602)
Alaska lawmakers welcome protests as these also bring in revenue and much needed social contact.