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US military cuts climate scientists off from vital satellite sea-ice data

US military cuts climate scientists off from vital satellite sea-ice data

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Climate scientists in the United States are to be cut off from satellite data measuring the amount of sea ice — a sensitive barometer of climate change — as the U.S. Department of Defense announces plans to cancel processing of the data for scientific research.
The changes are the latest attacks by the U.S. government on science and the funding of scientific research in an effort to slash the budget to enable tax cuts elsewhere. Already, these attacks have seen the Goddard Institute for Space Studies and the National Science Foundation evicted from their offices, references to climate science removed from websites, funding of data for hurricane forecasts cancelled, and dozens of NASA missions under threat and their project teams asked to produce close-down plans as the space agency's budget is slashed.
Now, scientists at the National Snow and Ice Data Center (NSIDC), based at the University of Colorado, Boulder, who have been using data from the Special Sensor Microwave Imager/Sounder (SSMIS) that is flown on a series of satellites that form the United States Air Force Defense Meteorological Satellite Program, have been told they will soon no longer have access to that data. SSMIS is a microwave radiometer that can scan Earth for ice coverage on land and sea. The Department of Defense uses this data for planning deployments of its own ships, but it has always made the processed data available to scientists, too — until now.
In an announcement on June 24, the Department of Defense declared that the Fleet Numerical Meteorology and Oceanography Center operated by the U.S. Navy would cease the real-time processing and stop supplying scientists with the sea-ice data, although NPR reports that, following an outcry at the suddenness of this decision, it has been put back to the end of July.
Politics aside, purely from a scientific point of view, this is madness. The sea-ice index, which charts how much ice is covering the ocean in the Arctic and Antarctic, is strongly dependent upon global warming, with increasing average temperatures both in the ocean and in the atmosphere leading to more sea-ice melting. Sea ice acts as a buffer to slow or even prevent the melting of large glaciers; remove that buffer and catastrophic melting of glaciers moves one big step closer, threatening dangerous sea level rises. Without the ability to track the sea ice, scientists are blinded to one of the most significant measures of climate change and become unable to tell how close we are getting to the brink.
But there's even a commercial side to knowing how much sea ice is present on our oceans. The fewer icebergs there are, the closer cargo ships can sail around the north pole, allowing them to take shorter, faster routes.
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Of course, the United States is not the only country to operate climate instruments on satellites. For instance, the Japanese Aerospace Exploration Agency (JAXA) has a satellite called Shizuku, more formally known as the Global Change Observation Mission-Water (GCOM-W). On board Shizuku is an instrument called the Advanced Microwave Scanning Radiometer 2, or AMSRS-2, which does pretty much the same job as SSMIS.
Researchers at NSIDC had already been looking to transfer over to AMSRS-2 data, perhaps having got wind that the Department of Defense's decision was coming down the pipeline. But the switch will take time for the calibration of the instrument and data with NSIDC's systems, leading to a gap in scientists' data — a blind spot in our monitoring of the climate that we can ill afford.
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Parents' social media use could affect their kids even after they log off, new research warns
Parents' social media use could affect their kids even after they log off, new research warns

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Parents' social media use could affect their kids even after they log off, new research warns

EDITOR'S NOTE: Kara Alaimo is an associate professor of communication at Fairleigh Dickinson University. Her book 'Over the Influence: Why Social Media Is Toxic for Women and Girls — And How We Can Take It Back' was published in 2024 by Alcove Press. Follow her on Instagram, Facebook and Bluesky. Many people try to limit the time they spend on social media when they're with their kids. But new research suggests social media use has a significant effect on interactions with children — even when adults aren't looking at their screens. Mothers who were in the habit of spending more time on social media talked much less to their kids when they played with them than did moms who spent less time on social networks, and that difference carried over when they weren't using their devices, according to a study to be presented Tuesday at the Digital Media and Developing Minds International Scientific Congress in Washington, DC. While past research has focused on how kids are affected when parents or guardians are on their screens, this study looked at the impact of cell phone use on parent-child interactions even when parents were offline, said Liz Robinson, a doctoral student at the University of Alabama in Tuscaloosa and lead author of the study. Mothers who used social media extensively spoke 29% less to their kids while playing with them — without their phones — compared with the moms whose social media use was low. Moms in the low-use category used social media an average of 21 minutes per day, while moms in the high-use category used social media an average of 169 minutes per day. Other uses of screens, including checking email or the weather, weren't associated with talking less to kids, according to the study of 65 toddlers ages 2 through 5 years old and their mothers in Alabama. Although Robinson's research has not yet been peer-reviewed or published in a journal, it doesn't surprise me. In my own research, people often say they still think about what they see on social media long after they log off. Although the moms in this study were physically present with their kids, it's possible their minds were elsewhere. 'Often our minds wander to activities that are more pleasurable naturally, and we know social media is that experience for most people,' said Kris Perry, executive director of Children and Screens: Institute of Digital Media and Child Development, a nonprofit to help kids lead healthy digital lives and the organizer of the Congress. Perry, who was not involved in the research, pointed out that social networks show us tailored content that is intensely interesting to us, so 'it makes you want to experience it longer.' Whatever the reason, kids need their parents to be mentally present when they play. Thankfully, there are things we can do to make sure our social media use doesn't interfere with our parenting. One of the most important things parents can do is to talk to their children all the time. Learning language is 'a major feature of optimal child development' and it's 'dependent on children expressing and receiving language from birth through (age) 18,' Perry said. Greater exposure to language tends to improve kids' brain development, academic outcomes, communication skills and language, she said. The interactions parents and kids have when they play are also important to children's socioemotional development, Robinson said, to help them develop their executive functions and attention spans and learn how to regulate their emotions. Interacting with adults is also one of the ways children learn what to prioritize. 'Kids are acutely aware of where a parent is looking,' Robinson said, 'and they learn what's important. So, when our gaze is constantly going towards a device, towards a smartphone, well, we're communicating to our children what's important in that moment, too.' That's why parents should make a conscious effort to be mentally present when interacting with their kids. 'Our attention is one of the best things that we can give to our children,' Robinson said, noting that this conveys to them that we love them. Robinson recommended that parents set aside certain times of the day to give their kids undivided attention. That's advice I also give when I speak to parent groups and at schools about how to handle kids' social media use. Of course, finding this time isn't easy. 'None of us can give our kids undivided attention all the time, but it can be helpful to think on a smaller scale,' Robinson said. 'Though I have many things to tend to today, I can give my child undivided attention for the next 15 minutes. That focused time goes a long way from the child's perspective.' When we're with our kids, we can remind ourselves 'there is nowhere but here, and there is no time but now in your child's mind,' Robinson said. 'And so, you have many other thoughts and many other priorities that are floating around in your head. But we can compartmentalize those and be fully present with our child, who knows only this moment, and only our attention.' Parents should also pay attention to how their social media use is affecting them and their children, Perry said. 'Understand what the impact of using social media is on you personally, and make sure that you're mitigating what those impacts are when you go to interact with your child.' A simple way to do that? Limit the number of times you check it per week and how long you spend on it each time. 'Reduce the amount of time you're on social media to prevent the likelihood that you would even inadvertently speak less' to your child, Perry said. And, of course, using social media less could also free up more time for parents to spend playing with their kids. Robinson said the biggest limitation of the research is that it's correlational — the authors couldn't establish whether social media was making parents more passive or whether more passive parents were using social media more. In addition, the study couldn't account for factors such as parents' mental health, income and education. I'd also love to see this study replicated with fathers, who should also be taking responsibility for playing with their kids and using social media responsibly. Still, the study suggests using social media more could reduce our conversations with our children, and that got me thinking. Next time I play with my daughters, I'll be checking in with myself on whether I'm talking to them or my thoughts are elsewhere. I'll also be more conscious of how much the content I'm seeing on social media is continuing to play out in my head even after I'm done scrolling. I might even talk to my kids about the changes I make as a result. Get inspired by a weekly roundup on living well, made simple. Sign up for CNN's Life, But Better newsletter for information and tools designed to improve your well-being.

One of the Best Meteor Showers of 2025 Is About to Begin—and It Can Be Seen Across the U.S.
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One of the Best Meteor Showers of 2025 Is About to Begin—and It Can Be Seen Across the U.S.

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At 50, Pedro Pascal Has Three Major Releases in Six Weeks: ‘I'm Having a Really Amazing Time'
At 50, Pedro Pascal Has Three Major Releases in Six Weeks: ‘I'm Having a Really Amazing Time'

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At 50, Pedro Pascal Has Three Major Releases in Six Weeks: ‘I'm Having a Really Amazing Time'

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