A study co-authored by Northwestern University climate expert Daniel Horton outlines a framework for measuring the impact of global warming on extreme weather events. 

The master gardener joins us to share some gardening tips for warm winter weather.

Another record high temperature in Chicago. How long will spring in February last? 

The increasing frequency of tornadoes, and a new study on gun violence. Those stories more from the world of science with Rabiah Mayas.

Free barrels for collecting rainwater are being distributed to South and West Side communities prone to flash flooding.

Tornadoes had kept away from Chicago since 2006, but a brief landspout brought an end to that streak Tuesday afternoon.

Headed to the beach? You might want to take a closer look at your sunscreen before you it layer it on—it might not be providing as much protection as you need.

As extreme heat makes its way to Chicago, learn how to keep your pets safe. 

With temperatures expected to soar into the mid 90s this week, learn about how you can stay cool and avoid heat-related illnesses. 

Meet two storm survivors who moved to Chicago after the destructive storm ripped through the New Orleans area.

This summer marks the 20-year anniversary of a brutal heat wave that hit Chicago and left more than 700 people dead. Tonight, WGN chief meteorologist Tom Skilling and Northeastern Illinois University professor emeritus Robert Starks join us to remember the summer of 1995.

The unseasonably wet start to the summer has done little to dampen growth in the WTTW garden. The Organic Gardener Jeanne Nolan is back with an update from our vegetable patch and some answers to viewer questions.

It's cold. Really cold. WGN's Chief Meteorologist Tom Skilling tells us if we are heading towards record-breaking weather.

We share what you had to say about the great pension debate and schools closing due to cold weather in tonight's viewer feedback.

For the second day, Chicago Public Schools are closed because of cold weather, but not everyone agrees.

Chicago Public Schools will be closed for a second day tomorrow because of the extreme weather.