A temperature change of 3 to 4 degrees is also big enough to push back annual events, such as bird migrations and the developmental stages of plants, experts say.
Local officials say study could help them prepare their cities for climate change, including planting different species of trees.
The National Park Service has put Isle Royale – Minong in Ojibwe – on the National Register of Historic Places. The action formally recognizes centuries of historic legacies of the 400-island archipelago in Lake Superior, including copper mining, fishing, hunting, trapping, recreation and a wide range of uses by the Grand Portage Band of Lake Superior Chippewa.
Indiana recently granted a permit to build a large organic dairy about an hour south of Lake Michigan. The operation plans to use a new waste handling system endorsed by billionaire philanthropist Bill Gates. Local environmental groups are skeptical and fear the potential for groundwater contamination.