Demetrius Frazier, 52, was pronounced dead at 6:36 p.m. CST at a south Alabama prison for his murder conviction in the 1991 rape and killing of 41-year-old Pauline Brown. It was the first execution in ...

A federal judge on Friday refused to stop what would be the fourth nitrogen gas execution in the U.S., saying the inmate had ...

In many parts of India, a single noxious pollutant from coal-fired power stations drags down annual wheat and rice yields by ...

It discovered that the average annual roadside concentration of nitrogen dioxide was 65 micrograms per cubic metre last year, while the general concentration of the gas was 31.8 micrograms per ...

New research shows grain yields critical to India's food security are dragged down 10% or more in many parts of the country by nitrogen dioxide pollution from power stations that run on coal. Economic ...