Iowa’s lakes may offer a back-door route for Asian carp to enter Minnesota. Don’t miss a free showing Thursday, May 17, of a terrific documentary, Green Fire: Aldo Leopold and a Land Ethic for our Time. New Minnesota legislation calls for a land swap involving the Superior National Forest and state-owned land in the BWCA. And a judge upholds Minnesota’s anti-pollution rule for wild rice. Read these articles and many more in the Freshwater blog. Scroll down to the May 14 post.