Air pollution has long been a critical environmental and public health issue, particularly in regions with high industrial ...

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Louisiana plans to use nitrogen gas to execute death row inmate Jessie Hoffman next week. Here's what to know about the ...

Dick granted the preliminary injunction Tuesday after a daylong hearing Friday in which attorneys for condemned inmate Jessie ...

US District Court Judge Shelly Dick issued a preliminary injunction on Tuesday that temporarily blocked a Louisiana inmate's execution by nitrogen gas, ruling that the largely untested method could ...

Controlled Pneumatics combines proportional technology, sensors and control algorithms into a closed-loop control system.