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If you put a bunch of species in a blender, you’re not entirely sure what’s going to come out.

Marin L. Pinsky, a marine biologist, discusses how ocean warming will shift sea creatures' ranges and shuffle ecosystems in a way scientists can't yet fully predict.

Scientists are using robots to fight an invasive species. -

The crown-of-thorns starfish is responsible for up to 40 percent of the Great Barrier Reef's total decline in coral. COTSbot spots the invaders and uses an injection arm to deliver a lethal dose of bile salts. Researchers expect the trained mechanical assassin to be fully operational by next year. Associated Press

A movement in Denmark to prevent food waste is taking off. -

Citizens now throw away 25 percent less food than they did just five years ago. NPR

Maine's Penobscot River is finally getting cleaned up. -

In a lawsuit brought by NRDC (disclosure), the judge ruled that Mallinckrodt will have to shell out an estimated $130 million to clean up toxic mercury waste that one of its former chemical plants discharged into the river for 40 years. The heavy metal is still showing up in dangerous concentrations in fish and shellfish. Bangor Daily News

Carbon emissions are messing with the marine food web. -

Tiny cyanobacteria in the ocean convert nitrogen gas into forms other sea creatures depend on. But researchers found that cyanobacteria living in high-carbon environments evolved, changing how much nitrogen they produced. Even scarier, the effects were irreversible. Washington Post

National emissions targets won't hold global temperatures below two degrees of warming. -

Researchers found that seven of the fifteen major countries they examined came up with "inadequate" plans—the United States gets a lukewarm "medium"—which were submitted ahead of the upcoming U.N. climate conference. Only Ethiopia and Morocco have "sufficient" contributions. Reuters