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Comment: 22:27 - 23:16 (00:49)
Source: Annenberg/CPB Resources - Earth Revealed - 1. Down to Earth
Keywords: "James Sadd", "geologic hazard", earthquake, "volcanic eruption", landslide, environment, geologist
Our transcription: The human population of this planet is now close to 6 billion, and it's increasing exponentially.
Many of the world's population centers are located in areas threatened by natural geologic hazards, such as earthquakes, volcanic eruptions, and landslides.
Geologists are working to understand the exact nature of hazardous geologic processes like these and then applying this knowledge to reduce the toll on human life.
The teeming industrialized societies that have resulted from this population explosion have also spawned environmental problems which are only now being recognized.
Geologists are actively involved in the battle to overcome a broad range of these problems.
As the world's population continues to grow, the environmental challenge looms ever large and the stakes grow even higher.
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