Smithsonian Magazine · People & society

Bubble Barrier Technology Explored for US Waterways

A Dutch company, The Great Bubble Barrier, has developed a bubble curtain technology to capture plastic pollution. After successful Dutch installations, the system is being considered for the Grand River in Lansing, Michigan.

The Bubble Barrier uses a perforated tube to create a bubble curtain, directing floating plastic to a catchment system. This minimally invasive method allows for ship traffic.

In Amsterdam, the barrier collects about 175 pounds of debris monthly, capturing an claimed 86% of floating plastic.

The potential US installation in Lansing aims to prevent plastic from entering the Great Lakes, which receive millions of pounds of plastic debris annually.

Implementing the barrier requires feasibility studies, technical analysis, and planning. Each waterway presents unique challenges.

The Lansing project involves multiple stakeholders including the city, a supermarket chain, and environmental agencies for collaboration and maintenance.

Researchers are studying the ecological effects, with preliminary findings suggesting minimal impact on fish and plankton migration.

Beyond collection, the barrier serves as an educational tool to raise awareness about plastic pollution and waterway health.

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