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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.
- 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.
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? In the first of a two part series on fresh water, Christiana Z. Peppard breaks the numbers down and discusses who is using it and to what ends.
View full lesson: http://ed.ted.com/lessons/where-we-get-our-fresh-water-christiana-z-peppardFresh water accounts for only 2.5% of Earth's water, yet it is v...
- 4 min
- 440.4K
- TED-Ed
Dive into these talks about water and humanity’s relationship with this life-sustaining liquid. Watch now.
View full lesson: http://ed.ted.com/lessons/fresh-water-scarcity-an-introduction-to-the-problem-christiana-z-peppardFresh water is essential for life -- and ...
- 4 min
- 607.8K
- TED-Ed
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Water is essentially everywhere in our world, and the average human is composed of between 55 and 60% water. So what role does water play in our bodies, and how much do we actually need to drink to stay healthy? Mia Nacamulli details the health benefits of hydration.
