Unit 3 & 4

What is the tragedy of the commons?

• A situation where individual users act independently according to their own self-interest

• A successful management of shared resources

• A government policy to protect common lands

• A type of economic theory.

How are our fisheries impacted by the tragedy of the commons?

• Overfishing due to lack of regulation

• Increased fish population

• Government subsidies

• Improved fishing technology

Many economists feel that (a)   is the only solution to the tragedy of the commons.

• Privatization
• Public awareness
• Government intervention
• Technological innovation

What was the Green Revolution?

• A) A period of increased agricultural productivity

• B) A movement to reduce greenhouse gases

• C) A campaign for renewable energy

• D) A global environmental summit.

What are the benefits of GMOs?

• Increased crop yield

• Reduced pesticide use

• Enhanced nutritional content

• All of the above.

What are the concerns of GMOs?

• Potential health risks

• Environmental impact

• Loss of biodiversity

• All of the above.

Why does junk food cost less than healthy food?

• Government subsidies

• Cheaper ingredients

• Mass production

• All of the above.

What is sustainability defined as?

• Meeting the needs of the present without compromising the ability of future generations

• A method of recycling

• A type of renewable energy

• A government policy.

Some things that cause a rise in greenhouse gases include (a)  

• Burning fossil fuels
• Deforestation
• Industrial processes
• All of the above.

The potential impacts of sea level rise include (a)  

• Coastal flooding
• Loss of habitat
• Increased salinity in freshwater
• All of the above.