Climate-responsive design is considered to be one of the major requirements to drive the building sector towards sustainable development. Many countries have a variety of climates within their territory. Most classifications use climate variables (such as temperature, humidity, precipitation, solar radiation, wind conditions) as main criteria.Regions having similar characteristic features of climate are grouped under one climatic zone. India is divided into five climatic zones viz hot and dry, warm and humid, temperate, cold & sunny and composit. In each of these zones the defined conditions prevail there for more than six months. If the conditions do not prevail for more than 6 months then it is defined as 'composite'.

Each climatic zone has its own unique climatic features, since buildings are concious and responsive to the external enviroment, the building Architecture / design should blend with the prevailing climatic contitions to achieve the desired level of Thermal comfort at low energy intensity as reflected in “Traditional Architecture”.

The persent day Architects and Civil Engineers should shift their focus away from the current column-beam structure of reinforced concrete combined with pre-cast cement / hollow blocks filling walls and flat roofing, (which is Energy intensive in both construction and operation), towards more sustainable design features such as appropriate building orientation, skylights, cross ventilation,solar chimneys etc, which effectively utilize the 'Micro climate' of the site to provide the required level of Thermal comfort. Integrating solar photovoltaic systems and water recycling features at the design stage itself will further contribute towards reducing the building's ‘Ecological footprint’. Retarding environmental degradation is the responsibility of all citizens “ACT NOW”.

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