1 / 8

KEY CONCEPT As the human population grows, the demand for Earth’s resources increases.

KEY CONCEPT As the human population grows, the demand for Earth’s resources increases. Earth’s human population continues to grow. Earth’s human carrying capacity is unknown. Technology has helped to increase Earth’s carrying capacity. gas-powered farm equipment medical advancements.

grady-tyler
Download Presentation

KEY CONCEPT As the human population grows, the demand for Earth’s resources increases.

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. KEY CONCEPT As the human population grows, the demand for Earth’s resources increases.

  2. Earth’s human population continues to grow. • Earth’s human carrying capacity is unknown.

  3. Technology has helped to increase Earth’s carrying capacity. • gas-powered farm equipment • medical advancements

  4. The growing human population exerts pressure on Earth’s natural resources. • Nonrenewable resources are used faster than they form. • coal • oil

  5. Renewable resources cannot be used up or can replenish themselves over time. • wind • water • sunlight • Growing use of nonrenewable resources may lead to a crisis. • Resources must be properly managed.

  6. Effective management of Earth’s resources will help meet the needs of the future. • Earth’s resources must be used responsibly. • Careless use of resources makes them unavailable to future generations. • Easter Island isan example ofirresponsibleresource use.

  7. An ecological footprint is the amount of land needed to support a person. • The land must produce and maintain enough • food and water • shelter • energy • waste

  8. amount and efficiency of resource use • amount and toxicity of waste produced • Several factors affect the size of the ecological footprint.

More Related