energy

World-Leading Sustainable Community in Germany: Vauban District

The Vauban district is a green, planned community in the city of Freiburg in southern Germany. Construction of this community began in the mid-1990s and opened in 2000. By 2001, it had 2,000 inhabitants living in a greener, more sustainable way. Now, the Vauban district is said to have 5,000 inhabitants and 600 jobs. A …

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New Study Looks at Hidden Environmental Costs of Parking

The price of free parking keeps going up. One cost is painful urban congestion, which is made worse bydrastically under-priced street parking. Another is a relative cost to the environment, which occurs when the near-certain prospect of free (or cheap) parking entices people into their cars and away from alternative forms of transportation. Recently a …

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Philadelphia Subway Trains to Start Producing Electricity from Braking

Ever wonder how much kinetic energy is created from trains braking? Me neither,.. until I found out about a cool new pilot project in Philadelphia where the energy created from subway trains braking will be used for some of the transit authority’s power needs and may also be sold back to the electric grid. How …

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