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- When is water safe to drink? Water is refreshing, hydrating, and invaluable to your survival. But clean water remains a precious and often scarce commodity — there are nearly 800 million people who still don’t have regular access to it.
- What would happen if you didn’t drink water? Water is essentially everywhere in our world, and the average human is composed of between 55 and 60% water.
- Where we get our fresh water. Fresh water accounts for only 2.5% of Earth’s water, yet it is vital for human civilization. What are our sources of fresh water?
- Fresh water scarcity: An introduction to the problem. Fresh water is essential for life — and there’s not nearly enough of it for the world right now.
The program had been planned for decades to ensure the island nation never ran out of clean water. But is it really safe to reuse anything we flush down the toilet? Francis de los Reyes explains the science of wastewater treatment.
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Dive into these talks about water and humanity’s relationship with this life-sustaining liquid. Watch now.
These two captivating TED Talks about ensuring clean water for all people are a great place to start. Deepika Kurup: A young scientist's quest for clean water and How to make filthy water drinkable: Michael Pritchard .
View full lesson: https://ed.ted.com/lessons/when-is-water-safe-to-drink-mia-nacamulliWater is refreshing, hydrating, and invaluable to your survival. But cl...
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Why and how shall we restore the water cycle today? Catarina believes that we are misusing water and disrupting the water cycle, which regulates the equilibrium of our planet. She would like each of us to take local action to restore the water cycle and make a fair and sustainable use of water.
