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What's at the bottom of the Chicago River?

Asked by Mike Mittermann | Reported by Jennifer Brandel

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How has Chicago's coastline changed over the decades?

Asked by Miriam | Reported by Robin Amer

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Which is more important to Chicago (historically and today), Lake Michigan or Chicago River?

Asked by Devon Neff | Reported by Chris Bentley and Jennifer Brandel

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What would it take to have fish safe enough to eat from Lake Michigan?

Asked by steve ediger | Reported by Chris Bentley

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Are the tops of skyscrapers still being planted with green space and what have the benefits been?

Asked by Jenn | Reported by Anthony Martinez

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I heard that salt is mined from underneath Chicago and below the lake bed of Lake Michigan - is this true? And if so, how does this work?

Asked by Martin | Reported by Dan Weissmann

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What's at the bottom of the Chicago River?

Asked by Mike Mittermann

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Does the wild onion from which Chicago got it's name still grow in the region? Does the onion truly smell bad?

Asked by Doug Morris

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what's at the bottom of the chicago river?

Asked by steven kispetik

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What is the highest point, geographically, in Chicago?

Asked by Elizabeth

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How much of Chicago's power comes from natural gas produced through fracking?

Asked by Anonymous

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What happens to all the plants and flowers in the downtown planters when they are changed out for a new season?

Asked by Anonymous

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What parts of Chicago were commercially farmed and what was raised, just before becoming residential?

Asked by Barb Carney

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How does water work in the city? How does it come in and go out, and what are the current threats and concerns?

Asked by Neal Groothuis

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Many Chicago neighborhoods have a familiar aroma: Logan Square often smells like burnt toast or coffee, and when the wind is right, Bridgepo...

Asked by Juliet Martinez

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There is a listing in the 'Global Shark Accident File' which claims that in 1955 a man named George Lawson was attacked by a bull shark whil...

Asked by Adam

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What part of the city has the most biodiversity (plant, animal, bird species)?

Asked by Anonymous

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Why do we have temporary bacteria warnings that prevent us from swimming in Lake Michigan?

Asked by Clay

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Where do our recycled goods go after they are processed at Chicago recycling plants? What happens to recycling bins if there is too much non...

Asked by Amanda Cornish

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With the rumored closing of the Indian Boundary Zoo, I was wondering about the history of that unusual neighborhood zoo and wondering what o...

Asked by John Lillig

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How has Chicago's coastline changed over the decades?

Asked by Miriam

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What would the land Chicago is built on look like naturally, as if humans never changed it?

Asked by Jeremy Cox

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Just how many bats live in the Loop? What are their favorite hangouts?

Asked by Rory Keane

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Setting the pedigree of 'windy city' nickname aside....is chicago windier than US average?

Asked by Brad Jayhan-Little

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Which is more important to Chicago (historically and today), Lake Michigan or Chicago River?

Asked by Devon Neff

488635973 0a6c1b1e1b n

What would it take to have fish safe enough to eat from Lake Michigan?

Asked by steve ediger

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Why is there an aviary full of birds on the grounds of O'Hare? Are they capturing nuisance birds? Are these birds under quarantine? Were t...

Asked by Steve Brockway

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Are the tops of skyscrapers still being planted with green space and what have the benefits been?

Asked by Jenn

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What is the historical trend of Lake Michigan's water level declining & what are the contributing factors? When we be at the tipping point?\...

Asked by Anonymous

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How does Chicago sort their garbage and recycling. Does what I designate as recycling actually get recycled?? (I'm curious about the proces...

Asked by Anonymous

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Will the Pullman neighborhood ever be revitalized?

Asked by Hannah

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Why does 'steam' (?) constantly pour out of the ground on the S side of Diversey, E of the river, making it look all film noir all the time?

Asked by Melissa McNeal

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I heard that salt is mined from underneath Chicago and below the lake bed of Lake Michigan - is this true? And if so, how does this work?

Asked by Martin

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Along Cermak Road between Halsted and Ashland are several metallic columns capped with a solar panel and having some spinning blue-ish turbi...

Asked by Rick Kieltyka

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What happened to stinky alewife die-offs in Lake Michigan? In the '80s, every year or two there were weeks you couldn't get near the beach f...

Asked by Elliott Mason

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The first sustained nuclear chain reaction occurred under the stands of Stagg Field at the University of Chicago. Is that site still radioac...

Asked by Mark Eifert

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Displaying questions 1 - 30 of 87 in total