Shipping noise causes major 'stress' in whales

Shipping noise causes chronic stress to whales, a landmark study has concluded.

Ship noise boosts stress on whales

A study reveals ship noises can alter whale behaviour and cause chronic stress for the giant sea mammals.

Whales stressed out by shipping noise

Low-frequency noise from shipping is causing chronic stress in whales, a study has found. read more

Lull in ship noise after Sept. 11 attacks eased stress on right whales

Exposure to low-frequency ship noise may be associated with chronic stress in whales, according to a new study. The study, conducted in Canada's Bay of Fundy, has implications for all baleen whales in areas with heavy ship traffic, and for the recovery of the endangered North Atlantic right whale population.

Ship noise boosts stress in whales, 9/11 reveals: study

The steady drone of motors along busy commercial shipping lanes not only alters whale behaviour but can affect the giant sea mammals physically by causing chronic stress, a study published Wednesday has reported for the first time.

Recent suicides highlight chronic stress officers face on the job

In the past month, three men from public safety careers have died of suicide in southeast Michigan. Some public safety officials say it highlights the chronic stress law enforcement officers face and the challenges of persuading them to get help.

Whales 'get stressed by din caused by ships' propellers'

Researchers from the New England Aquarium in Boston studied the faeces of right whales and found that fewer ships resulted in a decrease in levels of a stress hormone.