Story perspectives

Controversial Nanobubble Tech Sparks Pollution Concerns at Border

9/10/2025

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Summary

Story summary

Pollution in the Tijuana River impacts U.S.-Mexico border communities.
The Trump administration aims to expedite a project using untested "nanobubble technology" from Greenwater Services to reduce contaminants.
Scientists caution that this technology may exacerbate pollution and pose public health risks near schools and neighborhoods.
Local leaders demand safety and transparency in pollution management.
The IBWC stresses the urgency of funding, while the EPA remains noncommittal on the project.

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Story summary

Pollution in the Tijuana River impacts U.S.-Mexico border communities.
The Trump administration aims to expedite a project using untested "nanobubble technology" from Greenwater Services to reduce contaminants.
Scientists caution that this technology may exacerbate pollution and pose public health risks near schools and neighborhoods.
Local leaders demand safety and transparency in pollution management.
The IBWC stresses the urgency of funding, while the EPA remains noncommittal on the project.