Sonic Sea was on Animal Planet last night so I watched most of it. But I tend to channel surf during ad breaks so wound up seeing a bit of a thing on amphetamines in the Nazi Regime.
But Sonic Sea was an eco programme about the amount of noise that has been polluting the world's oceans over the last century. Scary stuff since it seems to be driving cetaceans and others crazy.
& it seems to be constant since people haven't thought to attempt to avoid it enough. & a lot of it is down to inefficient machinery etc.
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