CURITIBA + BEDZED: urban sustainability case studies (urban issues and challenges)

Green exchange programme in Curitiba

exchanges recyclable waste for food and bus tickets for over 30,000 poorer families

Curitiba's integrated transport system consists of

buses that are longer and wider than the average bus, as well as dedicated pedestrian and bus lanes

The public transport in Curitiba is accessible because

it is 5x cheaper than any underground system but just as efficient due to strategised planning and organisation

How are energy requirements for homes in BedZed being reduced

reduced by 90% due to 30cm insulation within building walls

How is ventilation done sustainably at BedZed

high and low vents in buildings naturally circulate the property

How is energy used for light and heating reduced at BedZed

south-facing homes, all energy and gas levels displayed at eye-level, photovoltaic cells on houses charge the shared community cars

How is water being recycled at BedZed

grey water from appliances e.g. dishwasher is being used for flushing toilets, rather than going straight to sewage2, by pumping it through purifying reed beds

How is water consumption being reduced at BedZed

aerated taps and shower heads maintains water pressure but requires smaller volume of water