Environment

Wetlands make up a part of the landscape in every Wisconsin county.
Scientists may have settled a debate between anglers and fishery managers over the future of the lake trout in the Great Lakes.
The once-abundant black tern is far less abundant in Great Lakes wetlands, a victim of habitat loss and invasive plant species.
Extreme temperature shifts will keep happening even as the planet's average temperature gets warmer.
Northern Wisconsin is a frigid place come winter. But as the state has warmed, the certainty of snow gradually vanished, leaving the traditional winter dogsledding races frequently canceled for lack of good powder.
For more than 10,000 years, humans have harnessed the fermentative power of yeast to create beer, wine, cheese and bread. But yeasts are also critical to the process of generating other important products, including medicines such as penicillin and biofuels such as ethanol.
All around Wisconsin, people are feeding a stinky, green and oftentimes toxic life form.
Chronic wasting disease used to frighten people in Wisconsin.
Across wide swaths of Wisconsin, black bears and gray wolves have long played an important and prominent role in the food chain. But human activities can threaten populations of these wild animals, especially when they are considered a threat to agriculture.
Waukesha's agreement with Milwaukee reflects the challenges that southeastern Wisconsin, the state's most populous region, will face in supplying its population with clean drinking water over coming decades.