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Instagram Gets Couch Potatoes Up and Running, Study Says
By Ann-Christin Herbe
Normally, it is easy for me to motivate myself to work out. But there are also the days when my couch seems so much more comfortable than the weight bench in the gym.
On such days, out of habit, I mostly reach for my cell phone and open Instagram to distract myself and buy a little more time. I'll go just a little later, I tell myself. Probably.
Not Good for the Self-Image
After just a couple of minutes on the social media platform, I am already being confronted with just how sporty other people seem to be. A muscular man is doing push-ups; a young woman in tight sportswear is holding a plate in front of the camera — hashtags: fitforlife and cleaneating.
Can this motivate me to do some sport today after all? Or does it only rub in my own weaknesses? Instagram has a bad reputation when it comes to influencing people's image of themselves. According to a British study from 2017, no other social media platform has such a negative impact on body image, sleep behavior and mental health.
Instagram a Motivator After All?
Despite this, it would seem that it is, in fact, worthwhile spending a few minutes with the app every so often. A new study by scientists from the Norwegian University of Science and Technology (NTNU) shows that those who regularly watch motivational content on Instagram are more likely to be active and enjoy sports more.
"Our goal was to show people what their personal motivation is to do sports," says one of the study authors from NTNU, Frode Stenseng.
To test the influence of Instagram on sports motivation, the study participants were divided into two groups. One group followed an Instagram account that posted motivational sayings or images every three days over a period of four weeks, while the other one didn't.
Sporting Fun Through Personal Initiative
The posts on the account were based on various motivation theories. They were meant to give users the feeling that they were part of a group and yet were acting autonomously at the same time.
"The participants who followed the motivation account associated many positive emotions with their sporting activities. The others did not," says Stenseng. This is because those who feel they have decided to do a workout on their own initiative because it fulfills their desire for fitness and health have more fun doing it.
Targets Should Remain Realistic
"Reading motivational sayings in social networks can certainly trigger an initial motivation to want to do sport," says motivation coach Petra Wolfram. Nevertheless, it takes more than just motivation to get those sports shoes on.
"Before I set myself a goal, I take stock of where I am at," says Wolfram. The next step is to consider what one actually wants to achieve. "The goal is allowed to be a bit of a dream, but it should also be realistically achievable," she says. If not, she says, people who are just starting off in sports will tend to give up quickly.
Wolfram has other tips for getting people moving: "The path to the goal is important. I like to compare it with climbing a mountain. When you're at the bottom, you may not be able to see the summit yet, so you have to set in-between goals."
And if you experience a setback, you shouldn't focus on it for too long, says Wolfram. "Don't ask 'Why did this happen to me?' as much as 'What can I do better and what do I need to get ahead?'"
The Business of Fitness Influencers
Instagram is the perfect platform to market your own sporty lifestyle. Fitness influencers provide their followers with recipe ideas and self-designed training programs — some free of charge, some for large sums of money. Along with this comes the daily message: "You are part of the community; we'll get fit together."
As well as likes and comments, the influencers profit above all from the willingness of their community to spend money. In an American study, 82% of people surveyed said they would buy a product if an influencer recommended it to them. The more people the influencers reach, the more companies pay them for cooperating.
"Influencers have an enormous reach and impact these days," says psychologist Silje Berg. But she says there is a problem in that much of the content propagated by influencers in the fitness scene is not based on scientific knowledge.
"The study showed that content based on theory can have positive effects, which is why it is important that more people in this area make good use of their reach," says Berg. It is also important for users to approach the content on the platform with a critical eye, she says.
Negative Feedback Through Comments
So-called transformation journeys — when a person's sporting development is accompanied from the very beginning — are also popular. "The encouragement and recognition that people experience through comments can have a motivating effect," says motivation coach Wolfram. "And people start talking with one another and giving each other support."
But not every interaction on Instagram is positive. Comment sections are never without expressions of hate, envy and negativity. Wolfram warns that reading such comments can be demotivating. "It's important to develop a thick skin against such comments to protect yourself," she says.
When she works with competitive athletes, she gets them to completely avoid social media for a few days before a top event or after a big failure as a way of protecting themselves.
Relevance of Health and Sports
But despite the disparaging remarks to be found in comment sections and the negative influence Instagram seems to have on people's body image, the researchers from Norway found several good aspects to the social media platform.
"The study showed that social media can also have a positive influence and is useful in drawing attention to the relevance of health and sports," says Berg.
And for me, that now means it's high time to get off the couch and go do some sport!
Reposted with permission from Deutsche Welle.
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By James Shulmeister
Climate Explained is a collaboration between The Conversation, Stuff and the New Zealand Science Media Centre to answer your questions about climate change.
If you have a question you'd like an expert to answer, please send it to firstname.lastname@example.org
What was the climate and sea level like at times in Earth’s history when carbon dioxide in the atmosphere was at 400ppm?<p>The last time global carbon dioxide levels were consistently at or above 400 parts per million (ppm) was around <a href="https://www.nature.com/articles/nature14145" target="_blank">four million years ago</a> during a geological period known as the <a href="http://www.geologypage.com/2014/05/pliocene-epoch.html" target="_blank">Pliocene Era</a> (between 5.3 million and 2.6 million years ago). The world was about 3℃ warmer and sea levels were higher than today.</p><p>We know how much carbon dioxide the atmosphere contained in the past by studying ice cores from Greenland and Antarctica. As compacted snow gradually changes to ice, it traps air in bubbles that contain <a href="https://www.cambridge.org/core/journals/annals-of-glaciology/article/enclosure-of-air-during-metamorphosis-of-dry-firn-to-ice/09D9C60A8DA412D16645E6E6ABC1892F" target="_blank">samples of the atmosphere at the time</a>. We can sample ice cores to reconstruct past concentrations of carbon dioxide, but this record only takes us back about a million years.</p><p>Beyond a million years, we don't have any direct measurements of the composition of ancient atmospheres, but we can use several methods to estimate past levels of carbon dioxide. One method uses the relationship between plant pores, known as stomata, that regulate gas exchange in and out of the plant. The density of these stomata is <a href="https://journals.sagepub.com/doi/abs/10.1177/095968369200200109" target="_blank">related to atmospheric carbon dioxide</a>, and fossil plants are a good indicator of concentrations in the past.</p><p>Another technique is to examine sediment cores from the ocean floor. The sediments build up year after year as the bodies and shells of dead plankton and other organisms rain down on the seafloor. We can use isotopes (chemically identical atoms that differ only in atomic weight) of boron taken from the shells of the dead plankton to reconstruct changes in the acidity of seawater. From this we can work out the level of carbon dioxide in the ocean.</p><p>The data from four-million-year-old sediments suggest that <a href="https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2010PA002055" target="_blank">carbon dioxide was at 400ppm back then</a>.</p>
Sea Levels and Changes in Antarctica<p>During colder periods in Earth's history, ice caps and glaciers grow and sea levels drop. In the recent geological past, during the most recent ice age about 20,000 years ago, sea levels were at least <a href="https://science.sciencemag.org/content/292/5517/679.abstract" target="_blank">120 meters lower</a> than they are today.</p><p><span></span>Sea-level changes are calculated from changes in isotopes of oxygen in the shells of marine organisms. For the Pliocene Era, <a href="https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2004PA001071" target="_blank">research</a> shows the sea-level change between cooler and warmer periods was around 30-40 meters and sea level was higher than today. Also during the Pliocene, we know the West Antarctic Ice Sheet was <a href="https://www.nature.com/articles/nature07867" target="_blank">significantly smaller</a> and global average temperatures were about 3℃ warmer than today. Summer temperatures in high northern latitudes were up to 14℃ warmer.</p><p>This may seem like a lot but modern observations show strong <a href="https://journals.ametsoc.org/jcli/article/23/14/3888/32547" target="_blank">polar amplification</a> of warming: a 1℃ increase at the equator may raise temperatures at the poles by 6-7℃. It is one of the reasons why Arctic sea ice is disappearing.</p>
Impacts in New Zealand and Australia<p>In the Australian region, there was no Great Barrier Reef, but there may have been <a href="https://link.springer.com/content/pdf/10.1007/BF02537376.pdf" target="_blank">smaller reefs along the northeast coast of Australia</a>. For New Zealand, the partial melting of the West Antarctic Ice Sheet is probably the most critical point.</p><p>One of the key features of New Zealand's current climate is that Antarctica is cut off from global circulation during the winter because of the big <a href="https://www.tandfonline.com/doi/abs/10.3402/tellusa.v54i5.12161" target="_blank">temperature contrast</a> between Antarctica and the Southern Ocean. When it comes back into circulation in springtime, New Zealand gets strong storms. Stormier winters and significantly warmer summers were likely in the mid-Pliocene because of a weaker polar vortex and a warmer Antarctica.</p><p>It will take more than a few years or decades of carbon dioxide concentrations at 400ppm to trigger a significant shrinking of the West Antarctic Ice Sheet. But recent studies show that <a href="http://nora.nerc.ac.uk/id/eprint/521027/" target="_blank">West Antarctica is already melting</a>.</p><p>Sea-level rise from a partial melting of West Antarctica could easily exceed a meter or more by 2100. In fact, if the whole of the West Antarctic melted it could <a href="http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.695.7239&rep=rep1&type=pdf" target="_blank">raise sea levels by about 3.5 meters</a>. Even smaller increases raise the risk of <a href="https://www.pce.parliament.nz/publications/preparing-new-zealand-for-rising-seas-certainty-and-uncertainty" target="_blank">flooding in low-lying cities</a> including Auckland, Christchurch and Wellington.</p>
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By Jo Harper
Investment in U.S. offshore wind projects are set to hit $78 billion (€69 billion) this decade, in contrast with an estimated $82 billion for U.S. offshore oil and gasoline projects, Wood Mackenzie data shows. This would be a remarkable feat only four years after the first offshore wind plant — the 30 megawatt (MW) Block Island Wind Farm off the coast of Rhode Island — started operating in U.S. waters.
Corporates Shift<p>Helping to drive offshore growth, U.S. corporate buyers <a href="https://www.dw.com/en/cities-leading-the-transition-to-renewables/a-42850621" target="_blank">are increasingly relying on wind energy to power their businesses</a>. Walmart and AT&T are the two top corporate wind buyers, while 14 newcomers entered the wind market in 2019, including Estée Lauder and McDonald's.</p><p>"Oil and gas companies have jumped into the U.S. offshore wind market, where they can transfer expertise in offshore fossil fuel development to clean energy investments," says Max Cohen, principal analyst, Americas Power & Renewable research at Wood Mackenzie. Many international oil and gas companies have already recognized this huge potential and entered the US offshore wind market, including Orsted, Equinor and Shell.</p><p>"Given the recent tumult in oil prices, fossil fuel companies may more and more be looking to diversify their portfolios, particularly with assets that are contracted or offer returns uncorrelated with oil and gas," Cohen says. "Offshore wind is an area where they may have a comparative advantage, and they can then leverage the experience with that technology to make the leap to onshore wind, solar, and other renewable technologies," he says.</p>
East Coast leads the way<p>"There is enormous opportunity, especially off the East Coast, for wind. I am very bullish," said former Interior Secretary Ryan Zinke. "Market excitement is moving towards offshore wind. I haven't seen this kind of enthusiasm from industry since the Bakken shale boom," he said.</p><p>Offshore wind initiatives require excessive upfront spending: a 250 MW venture costs about $1 billion, based on International Energy Agency data, but as costs fall the tipping point after which costs fall faster gets nearer</p><p>"The opportunity has been created by Northeastern states seeing the large price declines for offshore wind in Europe," says Cohen. Onshore wind is historically the lowest cost renewable resource, but is at its most expensive in the Northeast, he adds. "But costs are falling slower than for other technologies," he says.</p>
Jobs and Coastal Revitalization<p>U.S. wind energy now supports 120,000 US jobs and 530 domestic factories. A study by the University of Delaware predicted that the supply chain needed to build offshore turbines to feed power to seven East Coast states by 2030 would generate nearly $70 billion in economic activity and at least 40,000 full-time jobs. An American Wind Energy Association's (AWEA's) March 2020 report estimated that developing 30,000 MW of offshore wind along the East Coast could support up to 83,000 jobs and $25 billion in annual economic output by 2030.</p><p>Having said that, not all of the jobs are American jobs. The offshore wind developers with commercial leases in the US are all foreign companies. There is growing interest from the shipbuilding sector in the Gulf of Mexico in partnering with offshore wind companies to provide services. As a result, some of the US oil trade associations have submitted comments supporting certain aspects of offshore wind. "However, it is unclear to what extent offshore wind developers plan to use US vessels and crew, and the existing projects did not incorporate US vessels or labor at all," Hawkins says.</p>
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