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The United Nations says “we’ll need to cut emissions by half before 2030 and go carbon-neutral by 2050,” according to a new report. At least, that’s how Wired summarized.

Across New York City, more than 70 restaurants are tossing their oyster shells not into the trash or composting pile, but into the city's eroded harbor. It's all part of Billion Oyster Project's restaurant shell-collection program.

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Take heart. The universe is full of good news, starting right here on Earth. In fact, it is the earth. Like, literally dirt. That is what astrophysicist Adam Frank says, and I'm going to let him explain.

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Updated at 2:00 a.m. ET Wednesday

Hurricane Michael has grown into a Category 4 hurricane, with sustained winds reaching 130 mph, as it barrels toward northwestern Florida, making it a much stronger storm than Hurricane Florence was when it made landfall as a Category 1 storm drenching the Carolinas last month, according to the National Hurricane Center.

Amy Knowlton pilots the 29-foot research vessel Nereid out of Lubec harbor and into the waters of the Bay of Fundy, off of easternmost Maine. A scientist with the New England Aquarium's Anderson Cabot Center for Ocean Life Knowlton points to harbor porpoises chasing fish in the wind-swept waters on a recent morning.

Then something much larger appears off the stern.

"Whale behind us," Knowlton says, steering closer. "It's probably a humpback or fin whale, we'll get a better look."

The fields and back roads of eastern Arkansas were a crime scene this past summer. State inspectors stopped alongside fields to pick up dying weeds. They tested the liquids in farmers' pesticide sprayers. In many cases, they found evidence that farmers were using a banned pesticide. Dozens of farmers could face thousands of dollars in fines.

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A new climate report commissioned by the United Nations paints a pretty dire picture for the year 2040 - high food shortages, wildfires, droughts, rising sea levels, poverty and massive destruction to coral reefs.

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