There are 25 million more people living with bad air than last year's report showed, according to air quality data from the ...

The Environmental Defense Fund published the Inventory of U.S. Greenhouse Gas Emissions and Sinks after filing a Freedom of ...

Nearly half of the people in the U.S. live in areas with unhealthy levels of air pollution — and Louisville is one of those ...

The lists are based on the average number of days declared 'unhealthy' by government environmental agencies, with the most ...