How an eel elevator on Maine’s Penobscot River helped restore millions of fish and brought humpback whales back |

Every spring, millions of migratory fish leave the Atlantic Ocean and swim into freshwater rivers to…

A river straightened in the 1800s has been ‘re-wiggled’ after more than 100 years. Now wildlife may return

“No man ever steps in the same river twice,” wrote Greek philosopher Heraclitus. For more than…