During a radio interview, the newly appointed head of Milwaukee’s Health Department, Patricia McManus, stated that “the science is still out” on whether vaccines cause autism. Any link between vaccines and autism has, however, been disproved in numerous scientific studies.

Former Milwaukee Health Commissioner Bevan Baker ordered Health Department employees not to discuss concerns about lead contamination with members of the city council.

During a hearing of the Wisconsin legislature, state Representative Jesse Kremer stated that it is “fact” that the earth is only 6,000 years old, contradicting decades of scientific research showing that the earth is 4.5 billion years old.

Wisconsin Attorney General Brad Schimel filed an amicus brief in Exxon Mobil v. Schneiderman. The brief questions the scientific consensus on climate change and the conclusion that it will be “sufficiently dangerous to require urgent policy responses.”

In his budget proposal for 2017-19, Wisconsin Governor Scott Walker recommended that the state Department of Natural Resources cease publishing a bimonthly magazine, providing information on environmental issues. Critics say the move is intended to “create a vacuum and black out information on very important environmental issues” such as climate change.

In his budget proposal for 2017-19, Wisconsin Governor Scott Walker recommended eliminating the Department of Natural Resources’ central science services bureau, and reassigning its 15 staff to other positions.

The Wisconsin Department of Natural Resources’ website was changed to downplay the scientific consensus on climate change. A section describing “[h]uman activities . . . [as] the main cause” of climate change was removed and replaced with a statement that the “reasons for [climate] change . . . are being debated.” Another section discussing the likely adverse effects of climate change was also removed and replace with a statement that possible effects “are being debated.”