The Department of Natural Resources (DNR) of Wisconsin has declared that the cause of climate change is debatable and that humans are not its perpetrator.

The DNR website says, "As it has done throughout the centuries, the earth is going through a change. The reasons for this change at this particular time in the earth's long history are being debated."

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The government website previously had a page asserting that humans primarily cause climate change with their "activities that increase heat-trapping ('green house') gasses." However, the page with a title "Climate Change and Wisconsin's Great Lakes" was deleted along with two other discussions about global warming such as an educational guide created for middle and high school students. The DNR also omitted the sentences stating that Great Lake regions will see a reduction of ice covers and changes in the frequency and pattern of snow and rain.

A spokesman for the department said that the "updated page reflects our position on this topic that we have communicated for years, that our agency regularly must respond to a variety of environmental and human stressors from drought, flooding, wind events to changing demographics. As you know the causes and effects of any changes in climate are still being debated, and research on the matter is being done in academic circles outside DNR."

Many researchers support the argument that human activities such as fossil fuels combustion resulted in the inflation of greenhouse gasses.

Meanwhile, the President of Alliance for the Great Lakes, Joel Bammeier, has expressed confusion over DNR's decision to revise statements on climate change. "To me, it looks like they are trying to cover up a debate that really isn't happening," he said.

On the other hand, Paul Robbins, director of the University of Wisconsin, said that climate change "gets so politicized" that it is no longer surprising to "imagine agencies and its leaders haggling over wording."