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Building Technologies Program
Energy and Buildings in the 20th Century 

 

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Milestone Buildings of the 20th Century

1990-1999

1999
Four Times Square
New York, NY

Architect: Fox & Fowle

This skyscraper is a model of energy-saving ingenuity that will surely be copied in the 21st century. The building itself generates electricity with fuel cells and solar curtainwall panels. These technologies along with others save more than half a million dollars in energy costs each year!

1999 Four Times Square, New York, NY

Technologies, Innovations, and Quality of Life
1992   "World Wide Web" launched for exploring the Internet on Personal computers
1995   1 out of 3 U.S. households has a personal computer
1996   Petronas Towers, Kuala Lumpur, Malaysia becomes world's tallest building
1997   Pathfinder explores Mars


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