Sean Casten

Says the 1995 Chicago heat wave was “the largest single-day, non-war fatality in the United States” prior to 9/11, and “we are now expecting temperatures…

"From 2000 to 2016, every major drug that was introduced came out of" National Institutes of Health funding.

"Most climate scientists agree that we only have less than a decade to turn things around or else we’ll be stuck with a 'worst case…

Under the GOP tax law, "if you live in Hinsdale, Illinois … you are now being double-taxed to the tune of $35,000."