Trump Tower uses millions of gallons of Chicago River water a day to heat and cool its 98 floors. Since its 2009 opening, impact data has been missing or based on 'gobbledygook' math, officials say.

Chicago is home to some of the country's tallest buildings. See which 10 skyscrapers top the list in the Windy City.

The Chicago Trump International Hotel and Tower has agreed to pay a $4.8 million settlement for environmental violations to the Clean Water Act, environmental groups said. Friends of the Chicago River ...

While there’s no evidence that migrants in Ohio are eating domesticated cats and dogs, Trump Tower may have been illegally killing fish in the Chicago River for nearly 20 years. A Cook County judge ...

The ribbon-cutting ceremony Tuesday at Chicago’s new Salesforce Tower represents a milestone on the road to recovery for Chicago’s struggling commercial real estate market. The 1.2 million-square-foot ...

Five years in the works, Salesforce celebrated the grand opening of its 57-story, 1.2 million-square-foot Chicago tower Tuesday, a bold new addition to the city’s skyline rising up amid a slumping ...

Irvine Co. continues to spend heavily on its expansive national office portfolio, with a major cash outlay reported for one of the three skyscrapers it owns in downtown Chicago. The Newport ...