Energy and Buildings in the 20th Century; a project of the U.S. Department of Energy's Efficiency and Renewable Energy program.

Bringing you a prosperous future where energy is clean, abundant, reliable, and affordable

1970-1979

1976
P.E.I. ARK
Little Pond, Prince Edwards Island, Canada

Architect: John Todd

This solar building is a "living machine." It serves as a home, greenhouse, and fish farm all at the same time. The innovative design combines living and working spaces in a closed-loop year-round biological system. The produce grown inside supplies family food and income.

1976 P.E.I. ARK, Little Pond, Prince Edwards Island, Canada

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1970 First Earth Day, April 22

1972 Handheld calculator

1973 Cellular telephone

1973 Sears Tower, Chicage, world's tallest building

1977 President Carter establishes U.S. Department of Energy

1978 U.S, first to ban CFCs to protect ozone layer

1979 Sony Walkman

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