Carbon dioxide (CO₂) pollution drives climate change, warming the planet and threatening human survival. Plants naturally ...

The compound is known colloquially among recreational drug users as “whippets,” "balloons," “hippie crack” or “Galaxy Gas,” ...

Louisiana puts man to death in state's first nitrogen gas executionLouisiana used nitrogen gas to put a man to death Tuesday ...

In 2024, Alabama became the first state to execute an inmate using nitrogen gas when it put Kenneth Eugene Smith, 58, to ...

Louisiana carried out its first execution using nitrogen gas on Tuesday evening, marking the state’s return to capital ...

Jessie Hoffman Jr., who was convicted in a 1996 murder, argued the method of nitrogen hypoxia would violate his ability to ...

Jessie Hoffman Jr., 46, was declared dead shortly after 7 p.m. after he inhaled the lethal gas through a fitted full-faced ...

Louisiana executed a man convicted of murder with nitrogen gas on Tuesday evening, capping a raging legal battle that ended ...