"Shipping noise has increased dramatically: the din
produced by large ships has been doubling decade
since the 1960s, resulting in a more than 32-fold rise.
[…] the construction of oil and gas platforms, the
roar of drilling, and the deafening thunder of seismic
surveys.[…] The guns fire every few seconds around
the clock for weeks and months at a time, filling the
environment around them with a constant barrage of
noise so loud it can be heard up to 4000 kilometres
away.[…] Because sound travels faster through
warmer and more acidic water, global heating is even
changing the acoustic quality of the water itself.
[...] climate change is 'altering the acoustic fabric
of the planet, detuning natural sounds' and breaking
the Earth's beat.'”
[Deep Water, James Bradley]
"[…]but when sixteen beached themselves after a Us
Navy sonar exercise in the Bahamas in 2000,
autopsies showed they had suffered haemorrhages
in their ears and brain."
