environment

Senate OKs Coast Guard bill with ballast water compromise

The U.S. Senate has approved a new policy on ships that dump ballast water in coastal ports and the Great Lakes, a practice blamed for spreading invasive species that damage the environment and the economy.

US officials OK plan to rebuild Isle Royale wolf population

U.S. officials have decided to relocate gray wolves to Isle Royale National Park in Lake Superior, where the predator species that has roamed the remote wilderness for about 70 years is on the brink of disappearing.