Although based on perception, the data mirrors live experience and often correlates closely with scientific measurements.

To see how Delhi compares with cities like Beijing, I filed an RTI seeking details of how much funding was allocated over the ...

An air stagnation advisory has been issued for large portions of Idaho and Oregon, warning residents of stagnant air conditions that could trap pollution near the ground and lead to poor air quality.

This article was produced for ProPublica’s Local Reporting Network in partnership with The Frontier. This story is co-published with Grist, which contributed to its development. Sign up for Dispatches ...

A BYU research team is studying ground water pollution in the Great Salt Lake. Fox News Instructs Viewers to Buy Plastic Christmas Trees So the Real Ones Can Be Sacrificed to Feed the Insatiable ...