Joe Holberg: Data centers are hot. We should use Lake Michigan to cool them. October 6, 2026 at 5:00 a.m. My vision is to build a massive geothermal heat sink coil system in Lake Michigan to help cool data centers.
Joe Holberg: Chicago’s lead pipe crisis has an immediate fix. It costs $150 per home. July 9, 2026 at 5:00 a.m. Chicago's lead pipe problem is one of the largest public health crises in the U.S., and under-the-sink water filters can help.
Joe Holberg: Chicago must buy back its parking meters June 5, 2026 at 5:00 a.m. Parking has potential massive opportunities that flip the purchase from a debt-ridden cost to an investment.