The production of concrete and cement is associated with significant emissions of nitrogen and CO 2. This is mainly due to the mining and processing of limestone, the basic raw material for these ...

Louisiana used nitrogen gas to put Jessie Hoffman Jr., 46, to death Tuesday evening in the state's first execution in 15 ...

Alabama in 2024 became the first state to carry out a nitrogen gas execution. Now, at least two states are looking to follow in its path.