Exploring Land Use and Urbanization Dynamics

The video explores global land use, highlighting agriculture's inefficiencies and its impact on land. It discusses US land management by federal agencies, focusing on agriculture and conservation. Urban land use is examined, noting the growth of cities and challenges like urban sprawl and environmental issues. Solutions for making cities more livable, such as planting trees and smart growth, are proposed.

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

• 50%

• 29%

• 71%

• 65%

What fraction of land is habitable by humans?

• 71%

• 50%

• 29%

• 85%

What percentage of global calories comes from plants?

• 82%

• 25%

• 50%

• 18%

What is the primary use of land globally?

• Conservation

• Urban development

• Agriculture

• Forestry

Which department is responsible for managing forests and grasslands in the U.S.?

• Forest Service

• USDA

• Department of Commerce

• Department of the Interior

What is not allowed on land managed by the Department of the Interior?

• Grazing

• Forestry

• Hiking

• Resource extraction

What is a major consequence of urban sprawl?

• Increased CO2 emissions

• Higher population density

• More green spaces

• Reduced traffic jams

Tags

NGSS.HS-LS2-6

What urban feature contributes to the urban heat island effect?

• Dark colored surfaces

• Increased vegetation

• High population density

• Green roofs

How can cities reduce the heat island effect?

• Building more roads

• Reducing public spaces

• Increasing building heights

• Planting more trees

Tags

NGSS.HS-ESS3-4

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What is a benefit of smart growth in urban planning?

• Increasing car dependency

• Making cities walkable

• Reducing green spaces

• Expanding urban footprint

Tags

NGSS.HS-ETS1-3

NGSS.HS-LS2-7