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South Entrance to L'Enfant Plaza Metro Station

L'Enfant Plaza will be the main way residents and visitors access the improvements to Southwest. The three current entrances, however, are located too far north to be truly useful to access the best of SW and the closest of the three is closed on weekends. Adding a fourth entrance under the south awning of the HUD building would be ideal. A platform over the Yellow/Green line tracks on the south side of the station and ...more »

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Green Sound Barriers for I-395

This elevated freeway is a huge source of noise pollution in a very densely populated area (much more densely populated than Virginia and Maryland suburbs for which sound barriers were built.) Also, last I checked SW DC was an air pollution hot spot.

 

PROPOSAL: Build sound barriers covered with plants that will reduce air pollution in this area.

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Geothermal Heating and Cooling

There are copious amounts of water available year-round at a steady temperature of somewhere between 54 and 57 degrees (Fahrenheit) underneath the Southwest Eco-district. The payback period for installing geothermal heating and cooling has varied between 4 and 12 years in Silver Spring Md and New York City. Nationally, one-sixth of our energy use is devoted to heating and cooling buildings. In 2009 about 35% of our ...more »

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Resources -- Tap the Private Sector for Public Amenities

Tap private donations to pay for improvements. We are in an era of increasingly tight resources. If someone is willing to make a big donation to help pay for a park and decking over I-395 let them have their name on the park located there. If someone else were willing to pay for a green roof with public access let them pick the name for that feature. Smaller donations could go for things like permeable, resilient ...more »

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Wind Energy?

Since one of the main goals of the Ecodistrict project is reducing greenhouse gas emissions, all possible energy sources should be evaluated. While geothermal is probably the most promising, there are a few places in the Ecodistrict that could might be able to produce modest amounts of energy with vertical wind turbines. In general average wind speeds in the Washington area are low but there are a few places where ...more »

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Alternative to Interstate Decking

If we are thinking as big as possibly decking I-395 in this area, why not also consider the possibility of highway deconstruction. Many urban areas have recently demolished stretches of highway in downtown areas to reconnect the urban fabric.

 

This may be completely infeasible, but no more extreme than decking the highway - and probably more beneficial and more in line with the L'Enfant plan.

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