By John Dempsey, WLS-AM News
(CHICAGO) The City of Chicago has a new strategy to kill rats. USA Today reports the city Department of Streets and Sanitation has been dropping chunks of dry ice, which is frozen carbon dioxide—into burrows to try suffocate rats as the dry ice sublimates from a solid to a gas.
The city started the experiment last month, after Boston launched it’s pilot program in March. New York City launched it’s test program in May.
“We are seeing 60% fewer burrows in areas where we are using the dry ice,” said Charles Williams, Chicago’s streets and sanitation commissioner. “It’s more environmentally friendly, and it’s very humane on the rodents as well.”
Read the entire USA Today story here.
@ 2016 WLS-AM News
