Martin Marietta

Not quite two weeks ago, on Thursday October 19th, something happened to throw local air quality conditions into the red zone for most of the day. There was a inexplicable smokey haze extending along the limestone escarpment from Midlothian to Dallas and then north to Denton, sending Particulate Matter pollution soaring to Beijing levels and ozone […]

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(Half of these people represent industry. Half are environmentalists. Can't tell which ones? That's a good thing.) Should a bag of concrete be like an organic banana or a new chair made out of recycled wood and get "certified" as being responsibly-sourced, or "sustainable?" And if so, what's the criteria for making such a judgment, and who's making it? Those are the complicated questions […]

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Cement plants are among the world's largest sources of CO2. In order to reduce their carbon footprints, either voluntarily or to comply with new environmental regulations, as well as make a buck, owners are trying out different strategies to turn their Greenhouse Gases into just plain green cash.  As far as we can tell, the […]

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In a $2 billion deal, Raleigh, North Carolina-based aggregate and crushed stone manufacturer Martin Marietta Materials (a separate spin-off on the more well-know aerospace conglomerate) bought Dallas' own TXI Cement, which opened its first cement kiln in Midlothian in 1960.  This year, that kiln, along with the three other obsolete wet kilns at TXI's Midltohian […]

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