Water Resources and Usage Assessment

The video discusses the growing scarcity of fresh water on Earth, despite the planet being covered mostly by water. It explains that only a small percentage of water is fresh and accessible, with most being in ice caps or underground. Current water usage is high, with agriculture, industry, and domestic use consuming significant amounts. The video highlights the water footprint of everyday products and the challenges posed by population growth and industrialization. It emphasizes the need for sustainable solutions and innovations to address water scarcity and encourages viewers to learn more and take action.

What percentage of the Earth's surface is covered by water?

• 90%

• 71%

• 85%

• 50%

Why can't we use most of the Earth's water for drinking or agriculture?

• It's underground.

• It's too polluted.

• It's mostly salt water.

• It's frozen in glaciers.

What percentage of the world's fresh water is easily accessible for human use?

• 25%

• 1%

• 5%

• 10%

What sector uses the largest portion of fresh water?

• Industry

• Transportation

• Agriculture

• Domestic use

How many liters of water are needed to produce 1 kilogram of beef?

• 5,000 liters

• 1,000 liters

• 20,000 liters

• 14,400 liters

What is the water footprint of producing a new car?

• 39,090 liters

• 10,000 liters

• 20,000 liters

• 30,000 liters

What fraction of the global population lacks access to safe water?

• 1 in 8

• 1 in 10

• 1 in 4

• 1 in 2

What has happened to the global population in the last forty years?

• It has doubled.

• It has remained the same.

• It has halved.

• It has tripled.

What are some risks to clean water access even in areas currently with sufficient supply?

• Industrial accidents

• All of the above

• Natural disasters

• Agricultural waste

What can individuals do to help solve the water crisis?

• Ignore the problem

• Learn more and take action

• Wait for government intervention

• Rely on technology alone