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Phoenix666 [soylentnews.org] writes:

Phys.org [phys.org]:

Noise barriers muffle the transmission of traffic noise and constitute a relevant factor in urban action plans. However, their effectiveness varies according to multiple factors. The new green noise barrier developed by two researchers from the School of Building at UPM use the raw material resulting from the pruning of plants and gardens. The combination of this vegetable waste with a local substrate and water result in a new mixture of suitable acoustic and structural characteristics for these types of barriers.

Today, the commercial noise barriers are made of different materials such as concrete, brick, wood, and glass that consume material resources in the manufacturing process and generate a large amount of waste at the end of their useful life.

Researchers have now developed barriers made of recycled elements that reduce the use of materials and reuse carpet waste, scraps of paper and fibrous materials. In this study, the raw materials used by UPM researchers come from garden waste, specifically palm leaves. Using local materials provides savings for both transport and environmental impact, offering a solution to the excessive amount of waste.

This one comes with electrolytes.

Original Submission