Australia’s unprecedented wildfires are supercharged thanks to climate change, the type of trees catching fire and weather, experts say. Here are a few questions and answers about the science behind them.

From the first-ever image of a black hole to growing concern over climate change, we review some of the year’s top science stories with three of our regular science contributors.

It’s been 120 years since New York ornithologist Frank Chapman launched his Christmas Bird Count as a bold new alternative to what had been a longtime Christmas tradition of hunting birds.

What will the world look like in 20 years if climate change goes unchecked? That’s the premise of “2040 A.D.,” a new collection of short stories that fall under an emerging literary genre known as climate fiction. 

This year’s devastating losses are forcing tough decisions about the future of farming in America’s flood plains, even among those skeptical of climate change and humans’ role in it.

The computer models used to simulate what heat-trapping gases will do to global temperatures have been pretty spot-on in their predictions, a new study found.

Secretary of State Mike Pompeo on Monday touted America’s carbon pollution cuts and called the Paris deal an “unfair economic burden” to the U.S. economy.

A group of 30 states and cities are taking legal action to defend the federal government’s authority to regulate emissions from coal-fired power plants. 

Hundreds of bird species in North America are at risk of extinction from climate change, according to an alarming new report from the National Audubon Society.

Activists on Monday evening closed down the streets in front of Chicago City Hall and the James R. Thompson Center as they called on Mayor Lori Lightfoot and Gov. J.B. Pritzker to declare a “climate emergency.”

Over the past year, a term new to many Americans has entered the political lexicon: the Green New Deal. One early advocate was author Naomi Klein, who joins us to discuss her new book, “On Fire: The (Burning) Case for a Green New Deal.”

Illinois experienced more than 1,500 flood events from 2000 to 2018 – an average of 1.5 floods per week – resulting in $3 billion in property damages, according to a new report from the American Geophysical Union.

Investors in municipal bonds are increasingly weighing the effects of climate change in their calculations, and a new report out Tuesday from Moody’s Investor Service indicates Illinois bonds are not going to benefit from the new math.

President Donald Trump made his political priorities clear Monday within an hour of arriving at the United Nations for a three-day visit: He breezed by a major climate change summit to focus instead on religious persecution.

The planet is getting hotter, and tackling that climate peril will grab the spotlight as world leaders gather for their annual meeting at the United Nations this week.

Protesters marched from Grant Park to Federal Plaza on Friday to demand action on climate change. The youth-led event was one of several in Chicago, and one of many dozens throughout the world.