Contaminated wastewater from ships harmful to orcas: study

Cruise ships that use scrubbers to comply with international sulphur-limit laws may be unintentionally harming endangered whales off the coast of B.C., says a new WWF-commissioned study.The report “A whale of a problem? Heavy fuel oil, exhaust gas cleaning systems, and British Columbia’s resident killer whales” was released this week by the International Council on Clean Transportation....