Quattro was described as a "fierce" environmental advocate for over 40 years and helped plant over 10,000 trees in the county's NeighborWoods program and across the city.
Following her work with the Alief Community Center, the Alief Forest Trail was renamed in her honor to the Barbara Quattro Trail earlier this year.
In addition, she received a proclamation from the City of Houston for her efforts and helped several activists, registered voters, and helped several organizations secure support, Briones said.
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Quattro passionately shared her love and admiration for trees in a previous interview with ABC13.
"If the place looks ugly and barren and nobody cares for it, nobody will care for it," she said. "I think that encourages crime, I think it encourages vandalism, trees are a win-win for everybody. They not only look good, but they make the place look good and the people respect it more."
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ABC13 spoke with the president of the Friends of the Colombia Tap, where Quattro also planted trees, who said her efforts will continue after her death.
"Barbara was a force of nature," said Friends of Columbia Tap President Ed Pettitt. "Her work was the start of a lot of great new initiatives that are coming down the pipeline."
And as they add mulch to the 500 trees along the Columbia Tap Trail, Pettitt said Quattro is the root behind their work.
"They say that trees aren't planted for today, they're planted for the next generation, and so Barbara has really started something that's going to benefit us generations from now," he said.
Funeral arrangements for Quattro haven't been announced.