Former EPA litigator says Great Lakes have bipartisan support.
Legislators press for info’s release.
Potential plans to close Great Lakes office unclear.
Lake Erie health is focus locally.
Had been down since late March.
Happens at University of Toledo's Lake Erie Center event.
Appeal in landmark Great Lakes water-usage case is rejected; Waukesha can now starting taking in Lake Michigan water.
Nationwide air quality improves according to American Lung Association report.
Senator pledges support for $300M Great Lakes restoration effort.
Impact worries Canadian agency.