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Rescooped by Richard Harvey from IB Geography (Diploma Programme) onto IB Geography ISB |
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Increasing levels of nutrients seeping from septic systems and lawn fertilizers may be driving the steady decline of salt marshesthat has occurred along the U.S. East coast in recent decades, a new study hasDavid S. Johnson/MBL
found. While scientists had long believed that salt marshes have an unlimited capacity for removing nutrients such as nitrogen and phosphorus, a long-term experiment by researchers at the Marine Biological Laboratory (MBL) at Woods Hole, Mass. found...
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World Bank economist says governments shouldn't fear rise of cities, but warns 'slum growth could overwhelm city growth' Via geographil Delete the scoop?
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Heat generated by the Earth's major cities has influenced global weather patterns and is probably responsible for winter warming in parts of North America and northern Asia, according to scientists. Delete the scoop?
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Li Feifan discusses his 40-minute documentary Future Armageddon, screened on Chinese TV this week Delete the scoop?
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By 2025, the developing world will be home to 29 megacities.
Through this interactive mapping feature will rich call-out boxes, the reader can explore the latest UN estimates and forecasts on the growth of megacities (urban areas with over 10 million residents). These 'cities on steroids' have been growing tremendously since the 1950s and present a unique set of geographic challenges and opportunities for their residents.
Tags: urban, megacities. Via Seth Dixon, geographil 
Matt Mallinson's comment,
November 19, 2012 10:27 AM
If that's what is predicted for 2025, how populated will our world be by 2050? Scary to think about.
Seth Dixon's curator insight,
January 16, 12:28 PM
Download the data yourself as a CSV file and your can import this into ArcExplorer or ArcMap and symbolize your map with any of the columns in the dataset. Delete the scoop?
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There is nothing subtle about Gut Renovation, Su Friedrich’s latest documentary. She's pissed and she wants you to know it. Via geographil Delete the scoop?
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The Institute for Transportation and Development Policy (ITDP), together with an international committee of transportation and development experts, has awarded Mexico City the 2013 Sustainable Transport Award. Via Tony Burton Delete the scoop?
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Wealthy buyers are snapping up plots of land in Vidigal after authorities pushed out drug gangs Via geographil Delete the scoop?
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