The massive ice sheet on Greenland is shrinking as the climate gets hotter, pouring fresh water into the Atlantic Ocean. That could be setting off a chain reaction that's altering ocean ecosystems.
Another humpback whale was spotted dead late Monday, floating near a shipping channel between New York and New Jersey, the 13th whale found in the two states in three months.
Maine lawmakers pushed for a provision that would block stricter federal regulations aimed at protecting right whales from entanglements in fishing gear.
Maine’s political leaders criticized the decision, which was based on assessments by two conservation groups that have raised concerns that North Atlantic right whales have become entangled in the ropes used to fish for lobster.
