World Sand Crisis

Environmental Impact of Sand Scarcity Assessment 1. What type of sand is in short supply and integral to the production of concrete, glass, and certain technologies?

• Desert sand
• Silica sand
• River sand
• Ocean sand

Why has the demand for construction sand surged globally?

• Decreasing urbanization
• Reduced need for infrastructure development
• Slow growth in developing countries
• Rapid urban expansion

Why are desert sands not ideal for construction purposes?

• They are too angular
• They are too smooth and fine
• They are eroded by water
• They are too dense

Which environmental impact can result from river sand mining?

• Reduced erosion of riverbanks
• Creation of habitats for marine species
• Collapse of riverbanks
• Preservation of sandbars

What criminal organizations profit from the illegal extraction and sale of sand?

• Water mafias
• Oil mafias
• Sand mafias
• Forest mafias

What efforts are being made to address the issue of sand scarcity?

• Developing alternative materials
• Increasing sand extraction
• Loosening regulations on sand mining
• Ignoring the issue

Why is understanding the reasons behind sand scarcity crucial?

• To accelerate sand extraction
• To develop unsustainable policies
• To uphold sand trade activities
• To develop sustainable practices

From where is the ideal sand for building materials typically harvested?

• Desert regions
• Riverbeds, beaches, and the ocean floor
• Mountain ranges
• Glaciers

What is a consequence of marine sand mining?

• Increased water quality
• Enhanced marine life
• Sediment plumes affecting water quality and marine life
• Preservation of coastal areas

What can the removal of sand from beaches and coastal areas lead to?

• Decreased erosion
• Enhanced protection from storms
• Increased vulnerability to flooding
• Preservation of coastal ecosystems