Access to Fresh Water
Topic questions
1. What percent of the world's surface is water?
2. What percent of the world's water is salt water?
3. What percent of the world's water is fresh water?
4. What percent of the world's fresh water is surface water?
5. What do we use our usable fresh water for?
1. What percent of the world's surface is water?
2. What percent of the world's water is salt water?
3. What percent of the world's water is fresh water?
4. What percent of the world's fresh water is surface water?
5. What do we use our usable fresh water for?
Watch: TedEd Where we get our fresh water
75% of the world's surface is water
97.5 % of the world's water is salt water
2.5% of the world's water is fresh water
0.3% of the world's fresh water is surface water
How do we consume our usable fresh water?
Agricultural Water Use
Interesting facts:
It takes 140 litres of water to produce one cup of coffee
It takes 2400 litres of water to produce one hamburger
It takes 40 litres of water to produce one slice of bread
It takes 10 litres of water to produce one A4 sheet of paper
It takes 140 litres of water to produce one cup of coffee
It takes 2400 litres of water to produce one hamburger
It takes 40 litres of water to produce one slice of bread
It takes 10 litres of water to produce one A4 sheet of paper
Industrial Water Use
Domestic Water Use
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World's Water Content
Watch: TedED Fresh water scarcity: An introduction to the problem
Watch: Water our most precious resource
Watch: Water our most precious resource
The Water Cycle
Water Use by Sector
