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🌊 World Oceans Day – 8th June

🌊 World Oceans Day – 8th June  Oceans • Life • Climate • Conservation World Oceans Day , observed annually on 8th June , highlights the critical role oceans play in sustaining life on Earth. Oceans cover over 70% of the planet and are essential for climate regulation, food security, and biodiversity. 🌍 Why Oceans Matter Produce over half of the world’s oxygen Regulate global climate systems Support marine biodiversity Provide food and livelihoods Facilitate global trade Healthy oceans are essential for a healthy planet. ⚠️ Threats to Oceans Plastic pollution Overfishing Climate change and ocean warming Coral reef destruction Marine habitat loss Protecting oceans protects life. 🌱 Actions for Ocean Protection Reduce plastic consumption Support sustainable seafood Participate in beach cleanups Promote marine conservation policies Educate communities about ocean health Every drop of effort counts. 🎨 Artistic Reflection...
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How does Earth maintain a constant level of oxygen?



It doesn’t! The oxygen level of the planet has varied quite dramatically in the last 500 million years. It was 35 per cent during the Carboniferous period, around 300 million years ago; as the climate, cooled and land plants died off, oxygen fell to as low as 12 per cent by the beginning of the Triassic. Back then, the air at sea level would have felt thinner than at the top of the Alps today.


Burning fossil fuels has reduced oxygen levels very slightly – about 0.057 per cent over the last 30 years. Deforestation only has a small effect because when rainforest is cut down, other plants are usually grown in its place. But it’s marine phytoplankton (plant plankton), rather than trees, that produces about 75 per cent of atmospheric oxygen. Global warming will have a significant impact on phytoplankton, which is a much more serious threat to oxygen levels. 



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