For the people of the United States, the 20th century was one of unprecedented population growth, economic development, and improved quality of life. The critical infrastructure systems-water, wastewater, power, transportation, and telecommunications-built in the 20th century have become so much a part of modern life that they are taken for granted. By 2030, 60 million more Americans will expect these systems to deliver essential services.
Large segments and components of the nation's critical infrastructure systems are now 50 to 100 years old, and their performance and condition are...
For the people of the United States, the 20th century was one of unprecedented population growth, economic development, and improved quality of lif...