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shared by Jillian Williams on 23 Oct 09 - No Cached

The first type is the formal region. It is characterized by a common human property, such as the presence of people who share a particular language, religion, nationality, political identity or culture, or by a common physical property, such as the presence of a particular type of climate, landform, or vegetation.
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The second type of region is the functional region. It is organized around a node or focal point with the surrounding areas linked to that node by transportation systems, communication systems, or other economic association involving such activities as manufacturing and retail trading.
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The third type of region is the perceptual region. It is a construct that reflects human feelings and attitudes about areas and is therefore defined by people’s shared subjective images of those areas.
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shared by Jillian Williams on 24 Sep 09 - No Cached

- Jillian Williams on 24 Sep 09
  
  1995- 2004 Waves are getting larger & more requent
  
  <div class="cArrow"> </div><div class="cContentInner">1995- 2004 Waves are getting larger & more requent</div>
  
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Rogue waves are not tsunamis, which are set in motion by earthquakes
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Rogue waves seem to occur in deep water or where a number of physical factors such as strong winds and fast currents converge. This may have a focusing effect, which can cause a number of waves to join together.
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Africa’s wild coast
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ogue waves—which begin with a deep trough followed by a wall of water the size of an eight- or nine-storey building.
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1995 an oil rig in the North Sea recorded a 25.6-metre wave.
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2000 a British oceanographic vessel recorded a 29-metre wave off the coast of Scotland
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2004 scientists using three weeks of radar images from European Space Agency satellites found ten rogue waves, each 25 metres or more high.
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shared by Jillian Williams on 24 Sep 09 - Cached

technical progress — discoveries — are trial and error, and incentives.
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but both are stimulated by population.
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The more people on earth, the greater the chance that one of them has an idea of how to improve alternative energies, or to mitigate the climate effects of carbon emissions. It takes only one person to have an idea that can benefit many.
- Jillian Williams on 24 Sep 09
  
  More People = More Ideas = Faster Results
  
  <div class="cArrow"> </div><div class="cContentInner">More People = More Ideas = Faster Results</div>
  
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Plus, the more people on earth, the larger are the markets for new innovations.
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incentives matter for innovative activity
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ncentives to devote effort toward finding new discoveries and bringing them to the marketplace depend on the size of that marketplace.
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Jillian Williams