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☆ Climate change: Why we still have extreme cold despite global warming
▼ + stars: | 2024-01-15 | by ( Laura Paddison | ) edition.cnn.com time to read: +4 min

But scientists are clear: cold extremes will still occur even as winters warm overall. When the jet stream swings south, it can push cold Arctic air into North America, Europe and Asia. In its normal state it rotates very fast, keeping blisteringly cold air locked in the Arctic region. But it can get disrupted and knocked off course, becoming stretched and distorted, spilling out cold air and influencing the path of the jet stream. The area of science remains very unsettled, however, and others have said the links between Arctic warming and cold snaps are far from clear.

Persons: Jeffrey T, Barnes, There’s, Jennifer Francis, Judah Cohen, ” Cohen, ”, James Screen, Nouran Salahieh, Allison Chinchar Organizations: CNN, Northern, Climate Research, Massachusetts Institute of Technology, Exeter University Locations: United States, Orchard Park , New York, North America, Europe, Asia, Texas, Massachusetts, Siberia

☆ As prices fall, two thirds of global car sales could be EVs by 2030- study
▼ + stars: | 2023-09-14 | by ( Nick Carey | ) www.reuters.com time to read: +2 min

A parking bay reserved for electric car charging can be seen on display in London, Britain, October 19, 2018. Batteries are expensive and account for around 40% of an EV's price tag, a cost that has so far made them unaffordable for many consumers. But those prices are steadily coming down as carmakers invest in new battery chemistries, materials and software to make more efficient EVs, RMI senior principal Kingsmill Bond told Reuters. EV sales in the European Union jumped almost 61% in July versus the same month in 2022, accounting for 13.6% of all car sales. The European Union aims to ban the sale of new fossil-fuel models from 2035.

Persons: Simon Dawson, Kingsmill Bond, RMI's Bond, Nick Carey, Christina Fincher Organizations: REUTERS, Rocky Mountain Institute, RMI, European Union, Union, United, Reuters, Research, Exeter University's, Energy Innovation, Thomson Locations: London, Britain, Europe, U.S, China, United States, California, New York, Exeter, India

☆ Orca moms fiercely protect their sons from bullying and fights — but not their daughters, study suggests
▼ + stars: | 2023-07-21 | by ( Marianne Guenot | ) www.businessinsider.com time to read: +5 min

Older orca mothers may protect their sons from bullying well into adulthood. Orca males carry fewer bite marks if their moms are alive in their old age, a study found. Moms may step in if their sons are in troubleTooth rake marks left behind on a Southern resident killer whale. David Ellifrit, Center for Whale ResearchThis new research, from the Universities of Exeter and York in the UK and the Center for Whale Research in Washington, suggests moms could be going even further for their sons. By protecting their sons, older females may be increasing the pod's chance of passing on its genes, while expending fewer resources.

Persons: Charli Grimes, Michael Weiss, Grimes, David Ellifrit, Darren Croft Organizations: Service, University of Exeter, Southern, for Whale Research, Center, , Research, Exeter University, for, Universities of Exeter, Center for Whale Research Locations: Wall, Silicon, synchrony, Southern, York, Washington

☆ Is Twitter's new CEO, Linda Yaccarino, being set up to fall off the 'glass cliff'?
▼ + stars: | 2023-05-16 | by ( Rebecca Knight | ) www.businessinsider.com time to read: +5 min

Elon Musk appointed Linda Yaccarino, a former NBCUniversal exec, to succeed him as CEO of Twitter. Amid Twitter's turmoil, some suggest that Yaccarino could fall prey to the so-called "glass cliff." While men often glide on a "glass escalator" to the corner office, women often confront a "glass ceiling." "I wish we were seen as good leaders in good times, too." I wish we were seen as good leaders in good times, too."

☆ Risky feedback loops are accelerating climate change, scientists warn
▼ + stars: | 2023-03-06 | by ( Emma Newburger | ) www.cnbc.com time to read: +2 min

Risky feedback loops that are accelerating global climate change may not be fully accounted for in current climate models, according to a recent study published in the scientific journal One Earth. A group of international scientists from institutions like Oregon State University, Exeter University and the Potsdam Institute for Climate Impact Research in Germany, identified 41 climate feedback loops in what they called "the most extensive list available of climate feedback loops." Of these, they discovered 27 amplifying feedback loops that are accelerating global warming and only seven that are slowing it. An amplifying, or positive, feedback loop is the process in which an initial change that prompts temperature rise triggers another change that causes even more temperature rise. These positive feedback loops, which can be large and difficult to quantify, threaten to cause a permanent shift away from Earth's current global climate, researchers warned.

☆ Killer whales moms spend more time with their sons than daughters, and it may be threatening their survival
▼ + stars: | 2023-02-08 | by ( Marianne Guenot | ) www.businessinsider.com time to read: +7 min

Southern Resident killer whales take care of their sons much longer than their daughters. Killer whale sons need their mom throughout their livesA Southern Resident killer whale and a calf. Among Southern Resident killer whales — a small population that spend the summer and fall off the coast of Washington state — daughters will learn pretty quickly how to fend for themselves. To care for their sons, moms have fewer babiesTwo Southern Resident killer whales. Southern Resident killer whales only feed on Chinook salmon, which is a tiny prey for a big lumbering male.

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