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

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

The metro area ranked 15th overall for levels of smog, according to a new analysis from the American Lung Association.

After winning the Masters to became the sixth golfer in history to complete the career grand slam, joining the likes of Gene ...

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

An iceberg the size of Chicago broke off am Antarctic ice shelf ... and it's happening earlier due to human-amplified climate change. You might be wishing for warmer temperatures, but when spring ...

National climate ... weekly Chicago Catch-Up newsletter. Bright snow and ice reflects the sun's energy back to space, helping earth stay a little cooler. Even though it’s a tiny change, the ...

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

The amount of carbon dioxide in the atmosphere has continued to accelerate, increasing by a record amount last year. Trees, plants and tiny plankton in the ocean all convert CO2 into the oxygen we ...

CHICAGO (WLS) -- Tuesday is Earth Day. The first observance was April 22, 1970. It was meant to raise awareness of our planet ...