Milwaukee both January 17, 1982 and February 4, 1996. The 1982 event, also known as Cold Sunday, featured temperatures as low as in some of the suburbs as little as to the north of Milwaukee. In the 1990s and 2000s, Lake Michigan experienced large algae blooms, which can threaten marine life. Responding to this problem, in 2009 the city became an "Innovating City" in the Global Compact Cities Program. The Milwaukee Water Council was also formed in 2009. Its objectives were to "better understand the processes related to freshwater systems dynamics" and to develop "a policy and management program aimed at
Milwaukee US. Through continued dialogue between Milwaukee's citizens, the city is trying to reduce racial tensions and the rate of segregation. With demographic changes in the wake of white flight, segregation in metropolitan Milwaukee is primarily in the suburbs rather than the city as in the era of Father Groppi. In 2015 Milwaukee was rated as the "worst city for black Americans" based on disparities in employment and income levels. The city's black population experiences disproportionately high levels of incarceration and a severe educational achievement gap. In 2013 Mark Pfeifer, the editor of the "Hmong Studies Journal", stated Hmong in Milwaukee