The pop crooner announced to the crowd who packed the
Proceeds from the show have been earmarked for the Community Foundation of Greater Flint.
"Ongoing challenges remain years later for Flint residents, and it's important that we don't forget our brothers and sisters affected by this disaster," Mars said in a statement. "As people, especially as Americans, we need to stand together to make sure something like this never happens in any community ever again."
The Community Foundation of Greater Flint is an organization addressing the issues brought on after the city switched water sources and failed to treat the water to prevent corrosion, which allowed dangerous amounts of lead from old pipes to leach into the water.
Mars recently kicked off the North American leg of his sold out 24k Magic World Tour. It stops at the Forum for a stretch of shows in early November and stretches till next summer.