Human Dependence on Natural Resources Science Today

Why is the construction of the 'Third Straw' pipeline significant for Las Vegas?

• It ensures water supply if Lake Mead's surface drops below existing intakes.

• It will increase the water capacity of Lake Mead.

• It will provide water to other states as well.

• It will reduce the cost of water supply.

What environmental challenge is the Western United States, including Las Vegas, facing?

• Unprecedented drought for 15 years.

• Excessive rainfall causing floods.

• Rapid deforestation.

• Severe air pollution.

How does the new pipeline project in Las Vegas relate to human dependence on natural resources?

• It highlights the need for innovative solutions to access limited water resources.

• It shows that natural resources are unlimited and easily accessible.

• It demonstrates that human activities have no impact on natural resources.

• It proves that technology can completely replace natural resources.

What was a major challenge faced during the construction of the pipeline?

• The tunnel flooded twice due to hitting a geologic fault.

• Lack of funding for the project.

• Opposition from environmental groups.

• Shortage of skilled labor.

How has the population growth in Las Vegas affected its water supply needs?

• Increased demand due to population growth and tourism.

• Decreased demand as people conserve more water.

• No impact on water supply needs.

• Led to a surplus of water supply.

Why should the announcement of a third supply intake for Las Vegas water cause concern?

What climate or environment is Las Vegas?

How is water used in human living? Give at least five examples.

When did the water level in Lake Mead become a concern?

Who is most affected by this news?