![La pratique du mind mapping en classe: La carte heuristique: un prétexte? | Cartes Heuristiques, Schémas conceptuels, cartographie mentale [Fr] | Cartes mentales | Geomatic | Scoop.it](http://img.scoop.it/Xm0eLKmhz-KKErh5vo-PoTl72eJkfbmt4t8yenImKBVaiQDB_Rd1H6kmuBWtceBJ)
Cartes collectives de synthèse d'un dossier documentaire de géographie sur la Mer d'Aral, élaborées au Lycée Pierre Forest de Maubeuge. Merci au collègue pour le partage de cette expérience.
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Megacities in developing countries should be seen for what they are: a tragic replaying of the worst aspects of the mass urbanization that occurred previously in the West. Via dilaycock Delete the scoop?
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As India's population rapidly increases, the need for sustainable urban development and transport must be addressed. Efficiency, cost and employment will all be key factors in this change. Via dilaycock Delete the scoop?
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Methane from a landfill will flow to a power plant, helping to keep the lights on in the city.
When Mexico City’s government shut down the giant Bordo Poniente landfill last December, officials announced that they had a full-blown plan for the site...the city aims to capture the methane gas produced by the landfill to fuel a power plant that could supply electricity to as many as 35,000 homes. Via Seth Dixon, dilaycock 
Matt Mallinson's comment,
September 19, 2012 11:32 AM
This idea seems awesome for the country of Mexico. Being able to change a landfill and converting it to energy to supply homes is awesome for any economy. 35,000 homes is a large amount, many families will be better off.
Derek Ethier's comment,
September 20, 2012 10:54 PM
The innovative steps being taken by Mexico in this situation greatly surprises me. For an underdeveloped country like Mexico, this plan can likely bring cheap electricity to a greater part of the population. Using waste is a great alternative to fossil fuels which are non-renewable and harmful to the environment. Not only do I think this is a great idea, I think America and other countries should mimic their efforts. This is unlikely because it will put the big electric companies out of business...
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By 2030, two out of three people will live in an urban world, with most of the explosive growth occurring in developing countries. For a preview of the future, the last in the Challenges for Humanity series explores São Paulo, Brazil; Lagos, Nigeria; Bangkok, Thailand; and Hyderabad, India. Via dilaycock Delete the scoop?
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Methane from a landfill will flow to a power plant, helping to keep the lights on in the city.
When Mexico City’s government shut down the giant Bordo Poniente landfill last December, officials announced that they had a full-blown plan for the site...the city aims to capture the methane gas produced by the landfill to fuel a power plant that could supply electricity to as many as 35,000 homes. Via Seth Dixon, dilaycock
Matt Mallinson's comment,
September 19, 2012 11:32 AM
This idea seems awesome for the country of Mexico. Being able to change a landfill and converting it to energy to supply homes is awesome for any economy. 35,000 homes is a large amount, many families will be better off.
Derek Ethier's comment,
September 20, 2012 10:54 PM
The innovative steps being taken by Mexico in this situation greatly surprises me. For an underdeveloped country like Mexico, this plan can likely bring cheap electricity to a greater part of the population. Using waste is a great alternative to fossil fuels which are non-renewable and harmful to the environment. Not only do I think this is a great idea, I think America and other countries should mimic their efforts. This is unlikely because it will put the big electric companies out of business...
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