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✊ Nelson Mandela International Day – 18th July

✊ Nelson Mandela International Day – 18th July  Human Rights • Freedom • Equality • Service Nelson Mandela International Day , observed annually on 18th July , celebrates the life and legacy of Nelson Mandela and encourages people worldwide to take action for positive change. The day promotes the idea that everyone has the power to make an impact in their communities. 🌍 Why This Day Matters Honors a global symbol of peace and justice Promotes human rights and equality Encourages community service Inspires leadership and responsibility Advocates for social justice One person can change the world. ✊ Mandela’s Legacy Fight against apartheid Promotion of reconciliation Commitment to equality and justice Dedication to peace and unity Leadership rooted in compassion transforms societies. 🌱 How to Observe Volunteer in your community Support social causes Promote equality and inclusion Help those in need Spread awareness of human rig...
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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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✊✋✌️ World Rock Paper Scissors Day – 27th August

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🌵 World Day to Combat Desertification and Drought – 17th June

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