This Tiny Organism Is Responsible for One-Fifth of All Earth’s Oxygen!

Many of us don’t think about what provides the oxygen that we take in. And indeed it wasn’t until 25 years ago that this source of oxygen was discovered. This video takes us beneath the waves to visit with a minuscule – yet abundant – bacteria known as Prochlorococcus, which use photosynthesis to convert energy from the sun’s rays into oxygen.

These little microbes may be hardy, but they can’t do enough against the threat of climate change. Make your voice heard by signing this petition to create protected areas in the ocean where marine creatures can be free from human interference.

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