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The shareable future of cities
Alex Steffen, TED
How can cities help save the future? Alex Steffen shows some cool neighborhood-based green projects that expand our access to things we want and need — while reducing the time we spend in cars.
Riding Bogota’s Bountiful Protected Bikeways
Elizabeth Press, Street Films
Since 1998, Bogotá, Colombia has built more than 300 kilometers of protected bikeways. Streetfilms recently had the chance to explore the city’s bike network with the man responsible for building it, former mayor Enrique Peñalosa.
(8 August 2011)
Solar power for trains dawns in rainy Belgium
Robert-Jan Bartunek, Reuters
Trains already have a reputation for being a very clean form of transport but Belgian commuters can now boast railways which are partially powered by solar energy.
A public-private consortium consisting of Belgian rail management company Infrabel and solar developer Enfinity has installed 16,000 solar panels on the roof of a 3.4 km (2.1 miles) long tunnel between Antwerp and the Dutch border, creating enough electricity to power 4,000 trains a year.
The unique feature of the project, which is designed to produce 3.3 gigawatt hours a year, is that the energy produced does not flow into the national grid but is used directly by the trains.
Enfinity says that by cutting out the middle man, the grid operator, it can offer electricity about 30 percent cheaper.
(12 August 2011)
What’s an Ecocity and Why Should We Care?
Warren Karlenzig, Common Current
(16 August 2011)