Whales, dolphins, and heating oceans

Friday 20th October 2017
Plastic & warming Antartica impacts whales

Between five million and 13 million tonnes of plastic leak into the world’s oceans every year. That’s more than the combined weight of every single blue whale on Earth. Guess how many whales and dolphin species have been recorded eating marine litter? Vets have found plastic inside an astonishing 48 species when carrying out post-mortems. Appalling statistics and ominous for plastic is not whale food.

Now deep down in the seas of Antarctica, there is warm water and it is reaching temperatures 3℃ above the melting point of ice. Normally, the colder water above keeps it away from ice shelves. Now, possibly for the first time in 7,000 years, the warmer liquid appears to be flowing up to the surface. Sev Kender (right) says this rare phenomenon could be yet another adverse effect of industrialisation on the planet and its sea levels.

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