The man leading the upcoming UN climate talks in Dubai heads the United Arab Emirates’ state oil company. Sultan Al Jaber is the climate envoy for the UAE and has led the state renewable energy company, but his critics question the substance of his green credentials. Inside the public relations campaign to green Al Jaber’s image and install an oil CEO at the heart of the UN climate process.

Also, Antarctica’s ice shelves block glaciers from flowing into the sea, but a recent study found that these ice shelves lost 8.3 trillion tons of ice in the last 25 years raising the risk of sea level rise. A geoscientist sheds light on future ice loss in Antarctica.

And a dinosaur fossil discovered in Egypt in the 70s gathered dust in museums for decades and now it finally has a name as a new species, Igai semkhu. A paleontologist explains why fossils from the end of the Age of Dinosaurs are relatively rare in Africa and what this “titanosaur” specimen can reveal about the distant past.

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