Earth Day, born from a growing environmental awareness sparked by Rachel Carson's 'Silent Spring,' unites over a billion ...

Observed on April 22 every year, Earth Day demonstrates support for environmental protection. Scroll down to check out the ...

Air pollution levels keep getting worse for more people in the US, according to a new report, and experts say the Trump ...

Despite improvements in air quality in past decades, 156 million Americans still breathe in too much soot or ozone, says the ...