The rally at Daley Plaza attracted thousands of protesters in the wake of rumors that mass Immigration and Customs Enforcement (ICE) raids would begin in Chicago and other cities that weekend.

Sierra Club is partnering with nonprofit Current on H2NOW Chicago, a pilot project to monitor microbial pollution in the Chicago River.

The safety of the now-famous Montrose Beach piping plovers has been partially secured thanks to the successful efforts of conservation groups to stop a huge concert planned for late August on the beach.

Chicago is making national headlines because a pair of piping plovers have chosen to nest on Montrose Beach. This is the first time in decades that this critically endangered species has attempted to nest on a Chicago Beach.

Join us on Earth Day for our first clean-up of the year at Montrose Beach, Chicago's largest and wildest beach. Sierra Chicago Group has been cleaning this beach twice a year for over 20 years. Our efforts are important to keep trash and pollutants...