Most of the world's population is exposed to polluted air and or those living in cities with chronically bad air, the smog ...

Most of the world's population is exposed to polluted air, and for those living in cities with chronically bad air, the smog ...

Nearly the entire world is exposed to air at some point that doesn't meet the strict standards set by the World Health ...

In response to environmental challenges, and relying on the best available techniques, regulations are evolving to meet ...

If nitrogen hypoxia is used, an inmate breathes 100 percent nitrogen, which causes suffocation. Louisiana is one of four states that have approved it for executions.

Gov. Jeff Landry announced the Louisiana Department of Public Safety and Corrections has implemented protocol to carry out death sentences using nitrogen gas.

An Alabama inmate convicted of murdering a woman after breaking into her apartment as she slept was put to death Thursday evening in the nation's fourth execution using nitrogen gas. Demetrius ...

Governor Landry emphasized that this method will ensure Louisiana’s ability to carry out death sentences in a timely and effective manner.

Demetrius Frazer is set to die by nitrogen gas for the murder of 41-year-old Pauline Brown in Birmingham, Alabama in 1991. Alabama has used nitrogen gas on three other inmates in the past year.

Louisiana Gov. Jeff Landry announced the state will resume executions after a 15-year hiatus, potentially using the experimental method nitrogen hypoxia.

Alabama became the first state to carry out executions with nitrogen gas when three inmates were put to death using the ...

Demetrius Terrence Frazier was executed by nitrogen gas hypoxia in Alabama for the 1991 murder of Pauline Brown. Frazier was the fourth inmate to be executed by nitrogen hypoxia, a method that has ...