Lawmakers eye other sources of revenue so zero-emission car owners shoulder more roadway costs. But it won’t be easy.

The EPA's decision on the Valley's ozone nonattainment issue could have big impacts on public health and the local economy.

The Valley has seen decades of big business deals and population growth. A yearslong fight over air pollution could now endanger its future.

While the gas tax has been a critical funding source for California transportation improvements, it is becoming less ...

Millions of Texans were urged to reduce emissions on Tuesday after officials issued an air quality alert for the Houston area ...

An Assembly committee is exploring whether the gas tax should be replaced by something that would require EV owners to ...

Every winter, the city’s 30 million residents breathe air ... barely make out buildings across the street as the thick, acrid smog burns your eyes and scratches your throat.

Given the expected decline in gas sales under California's zero-emission vehicle mandates, the politics for implementing a ...

Every year in the month of November, throat-searing smog blankets the capital city of India ... 1 Crore First Prize Complete Winners List Here Big worry for PM Modi as China plans secret war ...

"There are some big hotels, some big office complexes, Delhi airport, and big construction sites in Delhi. We are going to make it mandatory for all of them to immediately install anti-smog guns ...

An alarming rise in the number of forest fires has been devastating Nepal's forests and releasing massive amounts of carbon ...