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World in the balance: Global impact of overpopulation
PBS' Nova has produced a documentary about the impact of population trends on the planet. The supporting website provides interviews with researchers, interactive tools and trailers of the two part series.
- World population expected to reach nine billion by 2050
- 98% of growth will occur in the developing world
- Only 2.5% of Earth's water supply is fresh. U.N. reports that the scarcity of fresh water due to overuse and contamination will be the second most pressing global concern of the 21st century, after population growth.
- Human activities are releasing more carbon dioxide than the world's plants can process.
- In the next 100 years the Earth's temperature will increase 11 degrees Fahrenheit worldwide resulting in a sharp reduction of rivers and lakes, causing severe flooding in cooler regions, shifting agricultural zones and threatening hundreds of plant and animal species with extinction.
- 40% of the world's remaining forests are endangered.
- Human-induced factors are diminishing the abundance of agricultural topsoil.
- Half of the world's reefs may be gone by 2030 PBS' Nova has produced a documentary about the impact of population trends on the planet. The supporting website provides interv... more
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The Myopia of the Brain
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The Myopia of the Brain
