  Sustainability and resilience of urban systems are multifaceted concepts,
requiring information about multiple system attributes to adequately evaluate
and characterize. However, despite the scientific consensus on the multivariate
nature of these concepts, many of the existing techniques to model urban
sustainability and resilience are unidimensional in nature, focusing on a
characterizing a single element of highly interconnected urban systems. We
champion a paradigm shift in modeling urban sustainability and resilience,
using an integrated approach to simultaneously estimate multiple interconnected
(correlated) system attributes of sustainability and resilience as a function
of key environmental factors. We present a novel case study and review a few
recent studies to illustrate the applicability and benefits of the multivariate
approach to modeling urban sustainability and resilience. Our proposed
framework can be utilized by infrastructure managers, urban planners, and
researchers to conceptualize and assess urban sustainability and resilience
more holistically, and to better understand the key factors in advancing the
sustainability and resilience of infrastructure systems.
