THE SUSTAINABLE TRANSFORMATION OF ENVIRONMENTAL AND SOCIAL NEIGHBORHOOD IN THE HOT CLIMATE, CASE STUDY BISKRA CITY, ALGERIA

Urban sustainability is a contemporary concern that emerged in the late 20th century following international awareness of environmental and social context deterioration. Sustainable transformation is a solution proposed to offer a adequate scale of new development principles adapted to the new challenges of society. This research addresses the issue of urban sustainability in the hot climate at the city ​​of Biskra in south est of Algeria, at the neighborhood level.