Travel and landmarks - Landmarks and buildings - Statue of Liberty - National monuments
Why is the Statue of Liberty green today?
Correct!
The Statue of Liberty is made of copper on the outside and still looked reddish-brown when it was inaugurated in 1886. Decades of copper's contact with air and moisture created chemical reaction products that formed a green patina on the surface. According to the U.S. It took the National Park Service approximately 30 years for the statue to largely assume its distinctive green color. The patina is not only visually striking - it also protects the underlying copper from further weathering.
The Statue of Liberty is green because its copper surface oxidized over time and formed a protective patina.
