Global Freshwater use
Water Diversion and Dams
Groundwater Depletion
Impact on Ecosystems
Desalination Process
Agricultural Water Conservation
100

How much water does an average person drink daily?

2-5 liters of water.

100

What river is primarily diverted for use in Las Vegas?

Colorado River.

100

Why is groundwater considered a non-renewable resource?

It recharges very slowly compared to how quickly it’s used.

100

How many fishing jobs have been lost due to reduced water availability?

Over 60,000 fishing jobs.

100

What does desalination do?

It removes salt from seawater.

100

What is drip irrigation?

An efficient method of irrigation that can cut water use in half.

200

What percentage of water is used for agriculture worldwide?

69% of water.

200

What is a major benefit of dams?

They prevent floods and provide drinking water.

200

 What happens to the ground when groundwater is depleted?

The ground may sink or subside.

200

What happened to the Aral Sea?

It drastically shrunk, contributing to job losses.

200

How many desalination plants exist worldwide?

Over 20,000 desalination plants.

200

Name one way farmers can conserve water.

Using drought-tolerant crops.

300

How many gallons of water are needed to produce 1 kg of wheat?

400 gallons of water.

300

How many dams have been removed in recent years?

Over 750 dams.

300

What is waterlogging?

When soil becomes saturated with water, removing oxygen.

300

What could have been done to prevent the collapse of the Aral Sea ecosystem?

More sustainable water management practices.

300

What is a drawback of the desalination process?

It is energy-intensive and produces a lot of waste.

300

What are drought-tolerant crops?

Crops that require less water to grow.

400

What is the percentage of water used for public use in the US?

18%.

400

What is the impact of dams on wildlife?

Dams can alter habitats and affect wildlife.

400

How does salination affect soil?

It builds up salt on the soil's surface, making it unusable.

400

How do water diversions affect communities?

They can make living and working impossible in certain areas.

400

What is one method of desalination?

 Heating water to separate salt.

400

What barriers prevent widespread adoption of water-saving methods?

Cost and access to technology.

500

What is the main source of the water used worldwide?

Surface water.

500

What is the area irrigated by the All-American Canal?

Over 2,000 square kilometers and 500,000 acres.

500

What are the consequences of groundwater depletion for farming?

Increased costs and reduced available water.

500

Should governments intervene when water resources are overused?

Yes, even if it means reducing agricultural production. But depending on the severity of the amount of water reduced. 

500

Is desalination a sustainable solution? Why or why not?

It depends on energy costs and environmental impact.

500

Should governments incentivize water-efficient farming practices?

Yes, to promote conservation.

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