Freshwater and Its Importance

The video discusses the importance of freshwater, highlighting its scarcity and distribution on Earth. It examines the impact of changing freshwater levels on ecosystems, using the Colorado River as a case study. The video emphasizes the need for conservation to ensure future availability for humans and wildlife.

What is the most crucial item to pack for a hike on a hot day?

• Freshwater

• A map

• First aid kit

• Hiking boots

What percentage of Earth's water is freshwater?

• 10%

• 97%

• 50%

• 3%

Where is most of the Earth's freshwater found?

• In deserts

• In the atmosphere

• In glaciers and underground

• In the oceans

Which river is a vital water source for the southwestern United States?

• Mississippi River

• Amazon River

• Colorado River

• Nile River

How much has the water level in the Colorado River decreased since the 1920s?

• By 1 trillion liters

• By 4 trillion liters

• By 10 trillion liters

• By 22 trillion liters

What is a major consequence of reduced freshwater in an ecosystem?

• Higher temperatures

• Less water for plants and animals

• More plant growth

• Increased rainfall

What is the vaquita, and why is it significant in this context?

• A type of fish affected by freshwater scarcity

• A rare porpoise struggling due to less freshwater

• A plant species in the Colorado River

• A bird species thriving in freshwater

What is the main message regarding freshwater conservation?

• Freshwater is not important

• We must use less freshwater than is available

• Freshwater levels are stable

• We have an abundance of freshwater

What can happen if we don't conserve freshwater?

• Freshwater will become saltwater

• Nothing will change

• There will be more freshwater

• There will be less water than needed

What are some people doing to help maintain freshwater levels?

• Ignoring the problem

• Building more dams

• Using more water

• Taking action to balance freshwater levels