Every breath a person takes draws from a gas mixture that has barely shifted in recorded history: roughly 78 percent nitrogen and 21 percent oxygen by volume. NASA and NOAA both publish those rounded ...

Teaming up with NBC’s Climate Challenge week, Local 4 meteorologist Paul Gross will answer the most-asked questions about climate change all week long. On Tuesday, we’re addressing how the changes in ...

The indoor environment contains multiple sources of chemical compounds. These include continuous emissions from housing materials such as furniture, floors and furnishings, but also periodic intense ...

A new study published in Atmospheric Environment by researchers at the University of North Carolina at Chapel Hill has analyzed space and time trends for fine particulate matter (PM2.5) in the ...