Teachers of grade 5 - 12 students in a Great Lakes state and informal educators with a Great Lakes focus: Apply for a week-long professional learning opportunity (July 8 - July 14) working side-by-side with scientists on the 180-foot R/V Lake Guardian while it traverses Lake Erie!

CGLL.org is loaded with great Great Lakes and ocean lessons for your classroom. Now that the weather in the north is turning frightful, it is time to teach about: Lake Effect Snow!