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. 

The Field Museum will be at the center of Chicago’s youth climate strike Friday as activists across the globe hold what is expected to be one of the largest environmental demonstrations in the history of the planet.

An electric vehicle maker is on tap to build 100,000 delivery vans for the e-commerce giant Amazon. The massive order is just part of a broader commitment, announced Thursday by Amazon CEO Jeff Bezos, to make his company greener.

Humans in many areas of the world were farming, burning forests, grazing their animals and causing major changes to the environment some 1,000 years earlier than previously thought. 

The step by the Trump administration would be the latest in a series unwinding the Obama administration’s efforts to cut climate-changing emissions from the oil, gas and coal industries. 

A new installation combining art, architecture and technology provides an immersive look at the underwater world of reefs.

News of a spike in wildfires in the Amazon led to an international outcry aimed at Brazilian President Jair Bolsonaro, who responded over the weekend by authorizing the deployment of 44,000 military troops to put out the fires.