Canada's last intact ice shelf collapses due to warming

Canada's 4,000-year-old Milne Ice Shelf on the northwestern edge of Ellesmere Island had been the country's last intact ice shelf until the end of July when ice analyst Adrienne White of the Canadian Ice Service noticed that satellite photos showed that about 43% of it had broken off.

EPA looking to take East Chicago homes off toxic Superfund list

The U.S. Environmental Protection Agency wants to remove hundreds of once-contaminated East Chicago properties from its National Priorities List to spur development in the northwestern Indiana city that could potentially qualify homes for interior lead abatement.