The Indiana Senate’s Energy and Environmental Affairs Committee Wednesday unanimously approved Senate Bill 45, which endorses Indiana’s involvement with the Great Lakes Compact.The compact would help determine across-the-board regulations of the use and security of valuable waterways that make up 20 percent of the world’s fresh water sources. It would include eight states that border the Great Lakes: Illinois, Indiana, Michigan, Minnesota, New York, Ohio, and Wisconsin, and the Commonwealth of Pennsylvania. Currently, each state has its own regulations.The waterways were…