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West Oakland's Prescott Greening Project Aims to Combat Air Pollution

2/25/2026, 3:44:22 AM

Introduction to the Prescott Greening Project

The Prescott Greening project is set to launch in West Oakland next month, marking a significant step in addressing long-standing air pollution issues in the area. This initiative, which has been in development for over a decade, aims to plant dense barriers of trees along Frontage Road, adjacent to the I-880 freeway. The project will introduce dozens of trees, ranging from 10 to 12 feet tall, with the potential to grow up to 40 feet. Art Garden Design will oversee the planting, which is expected to be completed within five months.

Project Goals and Design

The initiative is designed to mitigate pollution from various local sources, including waste management facilities and heavy traffic. Alana Corpuz, the owner of Art Garden Design, emphasized the need for a tree buffer to reduce harmful emissions. The project will utilize species such as fern pines, long-leafed yellowwoods, and Japanese blueberry trees, alongside shrubs like California lilacs and manzanitas. Brent Bucknum, director of Hyphae Design, noted that their research indicates dense tree plantings can reduce roadside pollution by 20% to 40%, significantly more than random tree placements.

Historical Context and Health Implications

West Oakland has faced pollution challenges since the early 20th century, exacerbated by the construction of highways and the expansion of the port. A cancer study by Kaiser Permanente highlighted the correlation between emissions and health issues among residents, particularly those living near the freeway. This data has been instrumental in securing funding from organizations such as the Metropolitan Transportation Commission and the Port of Oakland.

Future Expansion and Maintenance

The Prescott Greening project is part of a broader vision to surround major thoroughfares in West Oakland with greenery. If additional funding is secured, the initiative could expand to include tree plantings alongside Caltrans land next to the I-880 highway. Bucknum and his team are advocating for a $20 million investment to significantly enhance the project’s scope. They are also developing a maintenance plan in collaboration with Wood Street Commons, a local nonprofit, to ensure the sustainability of the greenery.

Criticism and Challenges

Despite the project's promise, challenges remain, particularly concerning the maintenance of the new plantings. Bucknum highlighted the need for Caltrans to invest in maintenance in environmental justice neighborhoods differently than in other areas. Ongoing conversations with state agencies may lead to similar projects in other cities, such as Stockton and Los Angeles.

Conclusion

The Prescott Greening project represents a proactive approach to combat air pollution in West Oakland, with the potential for significant health benefits for the community. As the project progresses, the focus will remain on maintaining the newly planted trees to ensure their effectiveness in improving air quality and enhancing the local environment.

Verbatim Quotes

  • “There’s waste management on 10th Street nearby, a skate park, trash, and people burning metals and there’s so much else happening, but the goal is to create a tree buffer with depth that reduces off-gassing for the community,” — Alana Corpuz, Owner, Art Garden Design
  • “A lot of people want to just blame the trucks, but it’s actually passenger vehicles and the number of them that are going by this location in West Oakland that has a bigger impact.” — Brent Bucknum, Director, Hyphae Design
  • “If we want to be able to have a better future, a cleaner future, if you want to be able to prevent pollution from getting to people, to lower the heat island, you have to take care of the trees,” — Mei Visco, Designer, Hyphae Design