Overpopulation is the main threat to the planet

  • Slides: 8
Download presentation
Overpopulation is the main threat to the planet. Discuss. • Definition: What is overpopulation?

Overpopulation is the main threat to the planet. Discuss. • Definition: What is overpopulation? • What are the consequences of overpopulation? • What are the other threats to the planet? • Is overpopulation the biggest of all threats?

What is overpopulation? • Term definition – population exceeds the capacity of living space

What is overpopulation? • Term definition – population exceeds the capacity of living space – number of individuals compared to the sources they need to survive • Reason – increased birthrates – decreased deathrates – unsustainable use and depletion of resources

Births and Deaths per Time Unit

Births and Deaths per Time Unit

Population Growth: 1950 -2050

Population Growth: 1950 -2050

What are the consequences of this growth? • Food Production – sufficient enough if

What are the consequences of this growth? • Food Production – sufficient enough if distributed evenly – increase of production faster than population grows – Problematic: less access too food in less developed countries • Other Rescources – decrease of limited and non-renewable rescourses

What are the other threats to the planet? • War – possibility of global

What are the other threats to the planet? • War – possibility of global annihilation • Climate Change – spoiling of our soil, atmosphere and water • Peak Oil – decreasing oil reserves

Is overpopulation the biggest of all threats? • Categorizing – – Peak Oil might

Is overpopulation the biggest of all threats? • Categorizing – – Peak Oil might be the next to hit due to recent developments war becomes realistic overpopulation medium term threat climate change long term • Combination of threats – Hurrican Katrina • working on any of these threats potentially influences all four in positive ways

Conclusion • overpopulation is a significant threat but neither the main nor the only

Conclusion • overpopulation is a significant threat but neither the main nor the only threat • war and Oil Peak more urgent • worst case: working together of two or more threats • In these 5 minutes 1. 245 babies were born and 540 people died.