Lake Mendota’s Spring Thaw Ties for 2nd Earliest on Record

Yesterday morning I brought breakfast to my daughters at our dining room table, glanced out the window and did a double take. The waters of Lake Monona were a churning mass of brownish bluish green. What had only the night Read More …

What Two Frozen Lakes Taught Me About Perception Versus Data

by Samantha Oliver Today, I woke up at my favorite place on earth – Ten Mile Lake, in Hackensack, Minnesota. On the coldest day of the winter thus far, the frozen lake is so bright, so sparkly, it is almost Read More …

Bass Set to Win, Walleye Lose Under Warming Projections

Following up on our call for political officials in Wisconsin to start taking climate change seriously, here is a post originally published in September of 2016 about one of the potential impacts global warming will have on Wisconsin and Midwest Read More …

Purging DNR’s Website Doesn’t Change Climate Facts

Last week, we shared our resolution to stand up for science in 2017, after the Wisconsin Department of Natural Resources changed their website to reflect an incorrect and politically motivated stance on climate change. Yesterday CFL director, Steve Carpenter, and Read More …

When Will Our Lakes Freeze? Time for Annual CFL “Ice On” Challenge

The forecast calls for highs in the 50s (Fahrenheit) tomorrow and the ten-day outlook shows a whole bunch of temps above freezing, which means it’s the time of year when we try to do the impossible at the CFL – Read More …

What Can Snails Tell Us About Water Quality?

The following Q&A of CFL professor, Pete McIntyre was recently featured on the Nature Conservancy’s “Cool Green Science” blog. More about the Lake T. snail project is here.  by: Jenny Rogers For the past 20 years, biologist Pete McIntyre has Read More …

Guest Post: Earth’s Current Sea Change a Warning to “Respect the Slow”

by Steve Carpenter Around the Baltic Sea in Sweden there are dozens of abandoned Viking settlements. The odd thing about these sites is that they lie a few kilometers inland. The Vikings were seafaring people, and the settlements have the Read More …

Ice Data from Early “Citizen Scientists” Confirms Warming Since Industrial Revolution

FOR IMMEDIATE RELEASE: MADISON, WI — In 1442, fifty years before Columbus “sailed the ocean blue,” Shinto priests in Japan began keeping records of the annual freeze dates of a nearby lake. Along a Finnish river, starting in 1693, local Read More …