this post was submitted on 12 Nov 2023
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How a false claim about wind turbines killing whales is spinning out of control in coastal Australia (uk.news.yahoo.com)
submitted 1 year ago by L4s@lemmy.world to c/technology@lemmy.world
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How a false claim about wind turbines killing whales is spinning out of control in coastal Australia::Windfarm critics claim projects will harm marine life. Scientists say that’s not backed by credible evidence

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[–] Duamerthrax@lemmy.world 22 points 1 year ago (1 children)

They argument was that the sonar scans of the ocean floor was hurting whales, which while plausible, ignores that the navy is doing that constantly and the floor scans are temporary.

[–] arocketscientist5@lemmy.world 3 points 1 year ago (2 children)

I’ve heard this in NY. What do these people think? That the whales are so annoyed by the sounds that they commit suicide?

[–] cactusupyourbutt@lemmy.world 4 points 1 year ago

There are no noise-cancelling headphones to stop the U.S. Navy's 235-decibel pressure waves of unbearable pinging and metallic shrieking. At 200 Db, the vibrations can rupture your lungs, and above 210 Db, the lethal noise can bore straight through your brain until it hemorrhages that delicate tissue. If you're not deaf after this devastating sonar blast, you're dead.

not sure about whales, but sonar is dangerous if its loud

[–] brianorca@lemmy.world 3 points 1 year ago

There have been necropsies of beached/stranded whales which found bleeding in the ears which would make them deaf and unable to echolocate for navigation or finding food. But generally it's blamed on Navy sonar, not temporary construction activity.