Green Cities Green Cities

WhatWhat is a “Green is a “Green

City”?City”?

In 2010, the EU decided to reward the

cities more commited to the

Enviroment in Europe, they were

called “Green Cities”.

The first choice was Stockholm. After,

Hamburg and Vitoria-Gasteiz will

follow it.

Why Why Stockholm?Stockholm? Hammarby Sjöstad is the answer. It is a

neighborhood in the south of Stockholm, that presents a new and ecológical lifestyle, been a great nature neighbor.

Hammarby SjöstadHammarby Sjöstad

Hammarby was created, among other things, to improve the

quality of living in Stockholm. That was done through water purification, noise reduction, a waste reusation, diferents ways of public transport (boat, tram, bus and underground against traffic congestion and more natural areas.

In this neighborhood nothing is thrown away. The water, the waste, the electricity…They are recycled through contant circuits, without harming the enviroment at all.

Power circuitWe must know that the houses receive energy from renewable sources(solar, wind and tidal), in addition to the one provided

by the plants which will be discussed bellow:

A. Heat and power plant: It gets biofuel from field and the one that has already been in used from the houses. In it, they are renewed and get off in heat and electrecity way to the houses.

B. Heat plant: It gets

wastewater that has

already been

purificated, from the

sewage. This one

come to the houses

like cold and warm

water.

C. Sewage: With the wastematerials that were collectedon in the wastewater, they made biogas, to use it in public transport and domestic

Water circuit