Human overpopulation is an epidemic no one talks about, says conservation expert Phillip Elden. But our excessive and often careless consumption of resources makes it harder to ignore. Elden discusses the issue in the following excerpt from a recent interview.
Q: How do humans threaten other species?
Phillip Elden: Humans are the single greatest threat to other life forms since the dinosaurs were wiped out 65 million years ago. Some scientists believe that if we don’t slow down human expansion, half of all animal and plant species on Earth will become extinct in the next three to five decades.
Q: Is overall life expectancy negatively affected by overpopulation?
Phillip Elden: Absolutely. Harvard University projects that 2.3 billion new people will be born in less developed regions over the next four decades. These people face a lower quality of life and shorter lifespans due to limited access to clean water and healthy food supplies. Bangladesh, Nigeria, and Uganda are considered the countries most at-risk of overpopulation-related life expectancy decreases.
Q: Do we have enough natural resources to go around?
Phillip Elden: The simple answer is no. A boom in human population does nothing to increase our finite resources such as forests, coral reefs, fossil fuels, and available fresh water. Too many humans place an unnecessary stress on basic life-sustaining resources. Every person alive today requires approximately 33% more land to meet his or her sustainability needs than is available.
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