Chicago’s air quality worsened, ranking 15th for smog and 19th for particle pollution nationally, according to the American ...

Passengers on a recent Delta Air Lines flight were forced to hold the ceiling up with their hands after it threatened to ...

Paula Radcliffe has announced that she is retiring from road racing at the age of 51 after finishing the Boston Marathon on ...

Weakening or rolling back longstanding environmental regulations would worsen the problem, the American Lung Association ...

Humankind faces unprecedented changes in climate patterns, sea-level, ocean acidity, ecosystems, and more. Learn more about the science behind these issues in the following FAQs.

Fifty-five years after the first Earth Day, Environmental Protection Agency employees and advocates call for help as the ...

Making the Chicago River a healthy, biodiverse and climate resilient lifeline through the city is the focus of many groups ...

The algae that grows on patches of ice in Antarctica alters the albedo — or the ice's reflectivity — enough to make the ...

While the Earth Day movement has helped raise awareness about human-amplified climate change and has led to some regulatory actions, 5 1/2 decades later, the planet continues to warm at an alarming ...

Though Pope Francis never set foot in Chicago, his mourners said he embodied the city’s spirit. He loved the underdog and ...

Earth Day has its roots in growing concern over pollution in the 1960s, when author Rachel Carson's 1962 book “Silent Spring,” about the pesticide DDT and its damaging effects on the food chain, hit ...

Pope Francis called on the world and 1.4 billion Catholics to confront climate change. He brought attention to the issue but ...