Environmental Issues and Resource Management

Unit 5 covers land and water use, focusing on the tragedy of the commons. It explains how shared resources are often overused due to individual self-interest, leading to environmental issues like overgrazing, overfishing, pollution, and resource depletion. The unit also discusses health impacts from antibiotic overuse and the importance of vaccinations for herd immunity.

What is the main idea behind the Tragedy of the Commons?

• Shared resources are never depleted.

• Government regulations always prevent resource depletion.

• Shared resources are managed efficiently by individuals.

• Individuals acting in self-interest can deplete shared resources.

Why do individuals tend to take more than their share of a resource?

• They believe their extra usage won't have a significant impact.

• They are unaware of the resource's existence.

• They are trying to help others by taking more.

• They are encouraged by regulations to take more.

What is an example of the Tragedy of the Commons in agriculture?

• Overgrazing by multiple farmers' livestock.

• Planting more trees in a shared forest.

• Sharing farming equipment.

• Using less water for irrigation.

What led to the extinction of passenger pigeons in North America?

• Introduction of new predators.

• Climate change.

• Overhunting and habitat destruction by Europeans.

• Natural disasters.

What is a significant consequence of ocean garbage gyres?

• Improved marine biodiversity.

• Decreased water pollution.

• Increased fish population.

• Massive accumulation of trash in the ocean.

What causes the Gulf of Mexico dead zone?

• Use of fertilizers along the Mississippi River watershed.

• Oil spills.

• Overfishing.

• Natural ocean currents.

What is a common result of traffic congestion?

• Increased travel time and pollution.

• Decreased use of public transportation.

• Reduced air pollution.

• Faster travel times.

Why is the Ogallala aquifer being depleted?

• It is being overused for farming.

• It is located in a desert.

• It is not a significant water source.

• It is being polluted by industrial waste.

What is a consequence of overusing antibiotics?

• Improved public health.

• Increased effectiveness of antibiotics.

• Development of antibiotic-resistant bacteria.

• Decreased bacterial infections.

How does the anti-vaccination movement affect herd immunity?

• It only affects individuals with allergies.

• It weakens herd immunity, leading to disease resurgence.

• It has no effect on herd immunity.

• It strengthens herd immunity.