Economic losses were in the billions. Pollution takes many forms in India, including the use of poorly-ventilated stoves and open fires for cooking inside dwellings. Photo by Mark Katzman. Air ...

Nearly 4 in 10 Americans – or more than 131 million people – lived in areas with unhealthy levels of air pollution in recent years, a new report finds. And the country’s air pollution ...

This invisible killer is the air pollution from sources like cars ... please let us know at [email protected] more Hiroko Tabuchi covers pollution and the environment for The Times.