It is an issue of OCEAN NOISE POLLUTION which is done in the ocean by the seismic testing vessels which are used to locate oil and gas.There are 100 vessels all over the world.Each vessel uses 48 guns to shoot high intensity sound into the seafloor.Airguns causes sea animals to leave their habitats,they can lost or beached.Prototypes exist that uses quieter vibrations instead of blasts.So we need more support to expedite commercial use.For more info you should checkout Discovery.com/OceanNoisePollution
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