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The fifth mass extinction occurred 65 million years ago, when an asteroid wiped off the dinosaurs from the face of the Earth. Now scientists fear that the sixth extinction might have already begun. https://www.msn.com/en-ca/news/technology/the-sixth-mass-extinction-may-be-sooner-than-we-thought/ss-AATm0LR?ocid=msedgntp

Researchers from Stockholm University on the icebreaker Oden in the Arctic Ocean reported from the site that "vast methane plumes" were rising from the ocean floor probably due to a tongue of warmer Atlantic water that is penetrating into the Arctic.

Read more ...New Methane Signs Underline Urgency to Reverse Emissions

The zone, which at about 5,000 square miles (13,000 sq km) is the second largest in the world but still smaller than in previous years, is so named because it contains no oxygen, or too little, at the Gulf floor to support bottom-dwelling fish and shrimp.

Read more ...'Dead Zone' in the Gulf of Mexico is the Size of Connecticut

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