Recycled-material outdoor sculptures are a testament to human creativity and environmental consciousness. These artworks transform discarded objects into stunning public installations, blending sustainability with artistic expression. Here are some of the most famous examples:

1. "Waste Man" by Antony Gormley – This towering figure, constructed from scrap metal and household waste, was set ablaze in 2006 as a powerful commentary on consumerism.

2. "The Kelpies" by Andy Scott – These colossal horse-head sculptures in Scotland are made from recycled steel, symbolizing industrial heritage and natural beauty.

3. "Plastic Bottle Village" by Robert Bezeau – Located in Panama, this innovative project repurposes thousands of plastic bottles into habitable structures and sculptures.

4. "Trash People" by HA Schult – A traveling installation featuring life-sized human figures made entirely from electronic waste, highlighting global waste issues.

5. "The Singing Tree" by Mike Tonkin and Anna Liu – A wind-powered sound sculpture in England, crafted from recycled materials, creates melodic tones as the breeze passes through.

These sculptures not only captivate audiences but also promote sustainability, proving that art can be both beautiful and environmentally responsible.