Smartphone Impact and Sustainability

The video discusses the vast number of smartphone users and the precious metals contained in phones. It highlights the environmental and social impacts of mining the chemical elements used in smartphones, such as rare earth elements and precious metals. The video also addresses the challenges of recycling e-waste and the importance of sustainable practices to mitigate these issues.

As of 2018, approximately how many smartphone users were there worldwide?

• 2.5 billion

• 1 billion

• 4 billion

• 3 billion

Which of the following metals is NOT mentioned as being extracted from smartphones?

• Iron

• Gold

• Silver

• Copper

How many rare earth elements can be found in smartphones?

• 17

• 16

• 12

• 10

What is a significant environmental impact of extracting rare earth elements?

• Reduced carbon emissions

• Improved soil quality

• Air and water pollution

• Increased biodiversity

Which mining method is often used to extract rare earth elements?

• Placer mining

• Hydraulic mining

• Open pit mining

• Underground mining

What is a major social issue associated with mining for smartphone components?

• Improved education

• Increased employment

• Poor working conditions

• Better healthcare

By 2019, how many smartphones were predicted to be in use?

• 3.5 billion

• 3 billion

• 2.5 billion

• 2 billion

What is one way to minimize waste from old smartphones?

• Throwing them away

• Donating to charity

• Burying them

• Burning them

What is a potential risk of e-waste recycling in some countries?

• Abundant resources

• Safe working conditions

• Exposure to toxic elements

• High wages

What is a global impact of smartphone production and disposal?

• Increased global harmony

• Localized environmental issues

• Global scale environmental impacts

• Decreased technological advancement