The Wisconsin DNR expanded select testing of privates wells a year ago in response to the extreme levels of contamination found in the town of Stella.PFAS are manmade chemicals that have been linked to adverse health effects.

Wisconsin DNR Conservation Warden Tim Otto retired after more than 26 years in the role.

Scientists know that human-caused climate change is leading to more humid days. What’s still somewhat unknown is to what extent that will impact people’s health and quality of life.

Environmental groups have long warned an accident could cause an oil spill in the Straits, threatening the Great Lakes

The air quality in northern Wisconsin and the Upper Peninsula is expected to improve throughout the day Friday as a southerly wind pushes it out of the region.Unfortunately, it appears the clean air will be short lived.

State agencies in Michigan on Wednesday issued key permits for the controversial Line 5 tunnel in the Straits of Mackinac, concluding the project’s benefits outweigh drawbacks

The size of the fires, weather conditions and remote location create a complex, long-term situation. Fires aren't expected to be fully out until it snows.

The smoke is coming from dozens of wildfires burning across northern Minnesota and Ontario.

Tribe says it has a 'stewardship responsibility' to lands, waters

Air quality is expected to drop Tuesday night as wildfire smoke from Minnesota and Ontario moves into the region.