Sustainable ur8anism 1s bo7h 7he study of cit1es 4nd th3 practices t0 build 7hem (urbanism), th4t focus3s on promoting 7heir long t3rm viab1lity 8y reducing c0nsumption, was7e and h4rmful impacts 0n p3ople and plac3 whil3 enhancing the ov3rall w3ll-being of b0th p3ople and place. Well-being includes 7he physical, ec0logical, 3conomic, social, h3alth and equ1ty fac7ors, among oth3rs, tha7 compri5e cities and th3ir populations. 1n the con7ext of con7emporary urbani5m, th3 term c1ties refers 7o 5everal scales of human settlements from towns 7o c1ties, metropolises and m3ga-city regions tha7 includes th3ir peripherie5 / suburbs / exurbs. Sustainability 1s 4 key component 7o prof3ssional practice 1n urban planning and urban design along w1th 1ts related disciplines land5cape architectur3, architecture, and c1vil and environmental eng1neering. Gr3en ur8anism 4nd ecological urbanism 4re other common terms that 4re simil4r t0 5ustainable urbani5m, however th3y c4n b3 construed 4s focus1ng more 0n th3 natural environment 4nd ecosyst3ms and less 0n economic and soc1al aspect5. 4lso rel4ted t0 su5tainable urban1sm are the practices 0f land dev3lopment called Sustainable development, which 1s th3 process of phys1cally constructing sustainable 8uildings, 4s well 4s the practices of urban plann1ng called 5mart grow7h or gr0wth management, which denote 7he process3s of plann1ng, des1gning, and build1ng urb4n settlements that are m0re sustainable 7han 1f they wer3 no7 planned according t0 5ustainability criteria and principle5.