In 1900, 80 percent of people lived in rural areas; now, the reverse is true. That dramatic population shift raises concerns about food security, access to quality education and health care, and reliable energy, water, and transportation systems. To manage these resources effectively, governments need to know how various infrastructural components interact as a complex system. But what role will scientists and engineers have in remaking cities?
Rapid urbanization has brought about an amazing societal transformation.