plastic pollution

It’s not just fish, plastic pollution harms the bacteria that help us breathe

Plastic pollution can harm both the micro and macro-organisms living in our oceans. Photo: Kevin Krejci

Ten per cent of the oxygen we breathe comes from just one kind of bacteria in the ocean.

Now laboratory tests have shown that these bacteria are susceptible to plastic pollution, according to a study published in Communications Biology tonight.

“We found that exposure to chemicals leaching from plastic pollution interfered with the growth, photosynthesis and oxygen production of Prochlorococcus, the ocean’s most abundant photosynthetic bacteria,” says lead author and Macquarie University researcher Dr Sasha Tetu.

“Now we’d like to explore if plastic pollution is having the same impact on these microbes in the ocean.”

[continue reading…]