Two of the state's worst polluters face new pressure to clean up their act: pollution ClimateEmergency
The industry has a long way to go. One incremental step most Texas companies have taken is switching to a type of cement called “1L,” Leftwich said, which produces approximatelythan traditional Portland cement—a significant improvement, but far from carbon-neutral.
Other futuristic-sounding but real options include deploying plasma torches, which use electricity to turn gas into plasma, to help solve the problem of generating enough heat to produce clinker, and therefore cement, without fossil fuels. Handheld plasma torches are already widely used to cut metal. There’s also the emerging option of capturing and storing greenhouse gasses produced while making cement.
A map of concrete-producing facilities around Texas. Green dots show places that handle sand, gravel, and rock. Red dots show concrete batch plants. Darker shading shows a higher concentration of facilities in that county. ClickIn Houston’s historically Black Fifth Ward—which was hit hard by Hurricane Ike in 2008, then by Hurricane Harvey in 2017—residents have been vocal about the disproportionate air pollution they face.
Up in Midlothian, activists with Midlothian Breathe recognize the economic importance of the industry and don’t necessarily want the local cement plants to close. They simply want the operators to be more “responsible” partners in the community, Voisard said. In the meantime, her organization has started setting up its own air monitors around town. If the data shows cement plants are exceeding EPA pollution limits, residents could take legal action.
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