MacKenzie Elmer, Author at Voice of San Diego

A trash boom straddles the Tijuana River on the U.S. side of the border after a rainstorm. Greenwater Services' nanobubble technology equipment sits inside the trash boom perimeter. / Alter Terra and RCAC

Science/Environment

Environment Report: Reflecting Pool Contractor Tried Cleaning Tijuana River Too

by MacKenzie Elmer June 22, 2026June 23, 2026

Greenwater Services won no-bid contracts to do experimental treatment on the Tijuana River and the Lincoln Memorial Reflecting Pool.

Gov. Gavin Newsom San Diego

Science/Environment

No, the Governor Did Not Just Give $46 Million to the Tijuana River

by MacKenzie Elmer June 12, 2026June 15, 2026

The Tijuana River flows throughout the U.S.-Mexico border region in San Diego. / File photo by Adriana Heldiz

Science/Environment

Could the Tijuana River Help Get Arizona More Water?

by MacKenzie Elmer June 8, 2026June 17, 2026

Science/Environment

Colorado River Deal Is a ‘QSA 2.0’

by MacKenzie Elmer June 5, 2026June 5, 2026

Water

Trump Official Shares Vision of Desal Plants Lining California Coast

by MacKenzie Elmer June 3, 2026June 4, 2026

Environmental Regulation

Embattled Tijuana River Sewage Contractor Wins More Work

by MacKenzie Elmer May 22, 2026June 1, 2026

Gregory Montoya, a Beta Street flood survivor, holds his inhaler. / Rami Alarian

Science/Environment

In Shelltown, the Flood’s Damage Lives on Inside Survivors’ Bodies

by MacKenzie Elmer and Rami Alarian May 20, 2026June 1, 2026

An unboxed 180-watt solar panel lent to a reporter by Bright Saver as part of a plug-in system. / MacKenzie Elmer

Science/Environment

Environment Report: Plug-In Solar or Have My Power Cut?

by MacKenzie Elmer May 11, 2026May 16, 2026

Science/Environment

County Sales Tax Measure Vague on Tijuana Sewage Fixes

by MacKenzie Elmer May 7, 2026May 7, 2026

Baja California, Marina Del Pilar Ávila speaks to crowd outside PB-1 in Tijuana on April 27, 2026. / MacKenzie Elmer

Tijuana River Sewage Crisis

Environment Report: Finally, a Fix in the Works for Tijuana Sewage Pump

by MacKenzie Elmer April 27, 2026April 28, 2026