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How Costa Rica went without fossil fuels for 76 days and what we can learn from it.

While we were all playing Pokémon Go, Costa Rica helped save the planet.

If Costa Rica were a kid going back to school, it would have a pretty awesome story to tell when asked what it did over its summer vacation.

Image via iStock.

"Oh nothing. I just ran entirely on renewable energy for 76 days. BOOYAH!" Costa Rica would say proudly.

OK, so this is the Costa Rican women's volleyball team celebrating their own victory at the Rio Olympics, but they'd probably be pretty pumped about renewable energy too. Photo by Yasuyoshi Chiba/Getty Images.

According to the Costa Rica Electricity Institute (ICE), from June 17 through Aug. 31, 100% of Costa Rica's energy needs were met by renewable energy, predominantly from hydropower.

Cayuita, Costa Rica. Photo by Armando Maynez/Flickr.

This makes  considering the small country is overflowing with various bodies of water.

Costa Rican waterfall. Photo by Luke H. Gordon/Flickr.

Hydropower supplied 80% of the country's energy requirements, followed by geothermal at 12%, and wind at 7%. Solar only contributed 0.01%, but that was to be expected considering how often it rains there.

As exciting as this news is, it's only about half of Costa Rica's environmentally conscious accomplishments concerning energy production over the past year.

Even more impressive, the country has accumulated over 150 days of 100% clean electricity this year to date, according to the National Center of Energy Control.

One of Costa Rica's hydroelectric dams. Photo by Ezequiel Becerra/Getty Images.

"We are a small country with great goals!" ICE wrote on its Facebook page. "We remain committed to the goal of carbon neutrality by 2021."

They're well on their way, too. In 2015, the country managed to produce 99% of its energy through renewables.

It should be noted, of course, that Costa Rica is a small country and therefore doesn't need to generate as much power as, say, America.

And, as mentioned, Costa Rica has a ton of water power from which to pull energy.

Hydroelectric power plant. Photo by Ezequiel Becerra/Getty Images.

But that doesn't mean its achievement should be discounted. If anything, it's a shining example of what a country can do with the natural resources it has.

Costa Rica joins a number of other smaller countries making the deliberate shift toward complete reliance on renewable energy.

On Aug. 7, 2016, Scotland, which boasts the largest oil reserve in the European Union, produced enough energy from wind turbines to power the country for an entire day.

Wind turbines in Scotland. Photo by Jeff J. Mitchell/Getty Images.

While that may not sound like a lot compared to Costa Rica's two-month renewable power feat, when you consider that Scotland is one-third larger than Costa Rica and that wind power typically produces less energy than hydropower, it's still a pretty impressive achievement.

Meanwhile, Germany is sprinting ahead when it comes to production of solar energy. On June 25, 2015, 78% of the country's electricity demands were met by solar power.

Electrician at Gehrlicher Solar company checking panels. Photo via AFP/Getty Images.

These countries' renewable energy models may be difficult for larger countries to emulate exactly, but their efforts are inspiring nonetheless.

In order for renewable energy to really make an impact worldwide, there's a lot that will need to be done in terms of city planning, allocating costs, etc. But these small models prove it can be done with a little ingenuity and concerted effort.  

In fact the United States, Mexico, and Canada are taking a lesson from these star student countries and have already pledged to have 50% of their power come from renewable energy by 2025.

Renewable energy classes are officially in session. Take a seat, rest of the world.

Science

What will Earth look like if all its land ice melts? These maps show the clear answer.

Climate change isn't pretty.

via Business Insider Science/YouTube.

A map of the United States post land-ice melt.

Land ice: We got a lot of it. Considering the two largest ice sheets on earth — the one on Antarctica and the one on Greenland — extend more than 6 million square miles combined ... yeah, we're talkin' a lot of ice. But what if it was all just ... gone? Not like gone gone, but melted?

If all of earth's land ice melted, it would be nothing short of disastrous. And that's putting it lightly. This video by Business Insider Science (seen below) depicts exactly what our coastlines would look like if all the land ice melted. And spoiler alert: It isn't great. Lots of European cities like, Brussels and Venice, would be basically underwater.

I bring up the topic not just for funsies, of course, but because the maps are real possibilities.

How? Climate change.

As we continue to burn fossil fuels for energy and emit carbon into our atmosphere, the planet gets warmer and warmer. And that, ladies and gentlemen, means melted ice.

A study published this past September by researchers in the U.S., U.K., and Germany found that if we don't change our ways, there's definitely enough fossil fuel resources available for us to completely melt the Antarctic ice sheet.

Basically, the self-inflicted disaster you see above is certainly within the realm of possibility.


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In Africa and the Middle East? Dakar, Accra, Jeddah — gone.



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Millions of people in Asia, in cities like Mumbai, Beijing, and Tokyo, would be uprooted and have to move inland.



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South America would say goodbye to cities like Rio de Janeiro and Buenos Aires.


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And in the U.S., we'd watch places like Houston, San Francisco, and New York City — not to mention the entire state of Florida — slowly disappear into the sea.


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All GIFs via Business Insider Science/YouTube.

Business Insider based these visuals off National Geographic's estimation that sea levels will rise 216 feet (!) if all of earth's land ice melted into our oceans.

There's even a tool where you can take a detailed look at how your community could be affected by rising seas, for better or worse.

Although ... looking at these maps, it's hard to imagine "for better" is a likely outcome for many of us.

Much of America's most populated regions would be severely affected by rising sea levels, as you'll notice exploring the map, created by Alex Tingle using data provided by NASA.

Take, for instance, the West Coast. (Goodbye, San Fran!)



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Or the East Coast. (See ya, Philly!)


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And the Gulf Coast. (RIP, Bourbon Street!)

"This would not happen overnight, but the mind-boggling point is that our actions today are changing the face of planet Earth as we know it and will continue to do so for tens of thousands of years to come," said lead author of the study Ricarda Winkelmann, of the Potsdam Institute for Climate Impact Research.

If we want to stop this from happening," she says, "we need to keep coal, gas, and oil in the ground."

The good news? Most of our coastlines are still intact! And they can stay that way, too — if we act now.

World leaders are finallystarting to treat climate change like the global crisis that it is — and you can help get the point across to them, too.

Check out Business Insider's video below:


- YouTubewww.youtube.com


This article originally appeared eleven years ago.

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Health

Science confirms ‘Move in Silence’ trend might be the smartest way to achieve your goals

“I promise you things always work out better when you keep them to yourself.”

TikTok: @wemiopakunle, @_alliechen, @mandanazarfhami,

Science confirms ‘Move in Silence’ trend might be the smartest way to achieve your goals.

TikTok's latest viral wisdom is backed by hard data—and it's making people rethink their communication habits. We live in a world of chronic oversharing. We post everything, from the routes we run (including screenshots as proof of all that hard work), to the pale-green iced matcha latte sitting at our desks or a present from a boyfriend (who will be tagged prominently, not secretly off screen). Who knows when, but our brains became wired for sharing: to record, to curate, and to post every second of our lives, then consume that of others to a disturbing degree. So, here's a radical idea: when it comes to goals and plans, try keeping them to yourself. It could be the key to making them a reality.

That's the message behind TikTok's massively popular "Move in Silence" trend, where creators like @noemoneyyy have cracked the contradictory code to success: Instead of broadcasting every big idea or project that runs through your head, if you actually want it to come to fruition, keep your plans to yourself until they're executed. And it's not just a trend; surprisingly, science also supports this muted approach.


@noemoneyyy Work in private and let the results speak! #privatelife #privatelifehappylife #workinprivate #creatorsearchinsights ♬ sonido original - Luis Jonathan

"As a former oversharer who used to tell every single friend, every single family member, or a partner everything I was doing, I promise you things always work out better when you keep them to yourself," explains creator @noemoneyyy in a video that's garnered millions of views.

On a different video by @mandanazarfhami, she says, “I don’t care what you’ve got going on in your life: that dream job, that city that you want to move to, that dream person, that dream life, that dream anything. Literally keep it to yourself until it’s done.”

Commentors were quick to agree, with one person writing: “From a young age, I never told anyone my next steps. I also taught my husband and son to keep our private matters to themselves and just do things 💯Not many people like it, but who cares🌝🙌🏼🫶🏼”

Another chimed in, “This concept has changed my life for the better.” Others replied, “100 agree 💕” and “100%🙌🏼people can’t ruin what is silent, show results.”


@mandanazarghami monitoring spirits are a real thing - move in silence and watch how much your life changes #fypシ ♬ Jacob and the Stone - Emile Mosseri


What's going on here

In a study done by New York University, researchers found that people who kept their goals private worked on tasks for an average of 45 minutes, compared to the 33 minutes of work completed by those who announced their plans in advance. The twist? The people who shared their goals expressed feeling closer to finishing, despite doing approximately 25% less work.

NYU psychologist Peter Gollwitzer, who led the research, concluded that "once you've told other people your intentions, it gives you a 'premature sense of completeness.'" He also found that the brain is made up of "identity symbols," which create one's self-image. Interestingly, both action and talking about action create symbols in your brain, so simply speaking about a future plan or something you want to do satisfies that part of your brain. When we make our goals public, especially ones that matter to us and deal with our identity, our ability to achieve said goal is significantly reduced. As the old adage goes, "actions speak louder than words."

Stranger still, in his paper "Does Social Reality Widen the Intention-Behavior Gap," Gollwitzer notes that in order for this phenomenon to happen, one must truly care about their goals. "Ironically, this effect was only found for participants who are very committed to their goal!" PsychologyToday notes. "The lesson learned is that the more passionate you are about your goals, the more secretive you should be about them."

Quiet, silence, peace, shhh, no speaking, secret The more passionate you are about your goals, the more secretive you should be. Photo credit: Canva

Another reason to keep quiet: If you're a beginner trying something new, sharing your plans could potentially open you up to criticism and negative feedback, which could deter you from even starting. At the University of Chicago, professor Ayelet Fishbach conducted studies to determine how positive and negative feedback affects the pursuit of one's goal. According to Atlassian, she and her team found:

  • When positive feedback signals commitment to a goal, it increases motivation.
  • When positive feedback signals progress, it actually decreases motivation.
"One example the researchers give is a math student who gets a good grade on a test. If she perceives it to mean she likes math, she will study harder. If, however, she sees the high score as a sign she is making progress in the class, she may ease up and study less." - Atlassian


@_alliechen I used to be such an open book but now im a lot more reserved on my goals and plans so ppl dont judge #moveinsilence #relateablecontent #girlies #viral #success ♬ suara asli - astrooo🪐

We've all been there: excitedly telling everyone about your grand plans to backpack through Europe, the year you'll finally learn Spanish, or joining the group lesson at the tennis courts you always pass by… only to mysteriously lose all motivation a week later. Turns out, those lovely dopamine bursts that accompany every enthusiastic "That sounds great!" or "You should totally do it!" response might be precisely what's holding you back.

The good news? You don't need to become closed-off and secretive, a hermit on the top of a mountain who's afraid to share any part of themselves with the world. Research suggests that sharing your goals with one or two selected friends who can be trusted to provide meaningful support is still a good idea. Just hold off on the Instagram Live announcement until you've actually accomplished something substantial.

So, the next time you sit down to write your goals, whether they be a new year's resolution, the day's to-do list, or a five-year plan, think twice about sharing it with others. Give it time and you might have something better to share soon: the results.

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Science

8th grader's award-winning experiment tested if dogs' tongues are really cleaner than ours

Here's what science says about letting your dog lick your face.

Photo credit: Canva

Should you let a dog lick your face?

With nearly half of the households in American having at least one dog, there's a lot people need to know about them. Our furry friends come in wide variety of breeds, each with their own unique traits and needs. "Man's best friend" can be a guardian, a helpful worker, a loyal friend, and a snuggly companion, but there's one thing almost all dogs have in common: Licking.

Some dogs lick way more than others, but it's rare to find a dog who never licks anyone or anything. Many dogs communicate and show affection by licking, which is sweet—if a little gross—depending on how slobbery they are. There's a common saying that dogs' mouths are cleaner than humans', which is a bit hard to believe when you see what some dogs put in their mouths, but it is true? What does science say about dog tongues and saliva? Is a dog licking our face something we should worry about?

dogs, dog mouths clean, dog tongues, dog licking, should you let a dog lick your facePooch smooches are sweet if they're not too slobbery.Photo credit: Canva

It turns out, the answer to whether a dog's mouth is cleaner than ours isn't super straightforward.

An 8th grader named Abby tackled this question in a science experiment that won her a Young Naturalists Award from the American Museum of Natural History in 2011. Her family had gotten a dog and her mom kept telling her not to let the dog lick her face because dog mouths are full of bacteria. Instead of arguing, Abby decided to find out herself if this was true.

"I hypothesized that human tongues would be cleaner than dog tongues," she wrote. "I thought this because humans brush their teeth at least once a day. I hypothesized that dogs' tongues would be dirty because they were always licking dirty things like garbage."

After diving into the research about bacteria that live in and on humans and dogs, Abby decided she had a testable hypothesis. But this wasn't any old middle school science experiment. She applied for and got a grant to the State Hygienic Lab at the University of Iowa, where she was assigned a mentor to work with her.

You can read the nitty gritty details of her experiment here, but here was her conclusion:

dogs, dog mouths clean, dog tongues, dog licking, should you let a dog lick your faceMany dogs will lick you if you give them the chance. Photo credit: Canva

"I concluded that dog and human mouth flora are very different. (Flora means the bacteria found in a mouth or anywhere else.) The bacteria found in human mouths are more similar to another human's oral bacteria than the bacteria found in a dog's mouth.

I also concluded that dogs' mouths are cleaner than humans' in some ways, and dirtier in other ways. Humans have more bacteria in their mouths than dogs do, based on the total number of bacteria. Most of the humans had a 'moderate' number of bacteria, and most of the dogs had 'few' bacteria. A possible explanation of this might be that dogs pant a lot, and maybe while panting, bacteria falls off their tongues along with their saliva. But dogs had more types of bacteria. The average number of different bacterial colonies in a dog's mouth was about 5.7. The average number of different bacterial colonies in a human's mouth was about 4.1. I think this is so because dogs sniff and lick a variety of things, like carpets, floors, chairs, grass, etc., so they pick up bacteria from many places."

But what about the licking of our faces? That's a bit of a subjective call, but Abby's results gave her some peace of mind:

"In conclusion, will I let my dog continue to lick me? The answer to the question is yes!" she wrote. "I will feel guiltless about letting my dog lick me because I found out that human and dog oral bacteria are different, so my dog's oral bacteria present no harm to me."

lick, licking, face, dogs, dogpuppy love kiss GIF by Pickler & BenGiphy

What do the experts say?

According to Colin Harvey, professor at the University of Pennsylvania’s School of Veterinary Medicine and executive secretary at the American Veterinary Dental College, comparing dogs' mouths to humans' mouth is "like comparing apples to oranges." As Abby found, the microbes in a dog's mouth are very different than those in a human's.

The American Kennel Club elaborates:

"Most of the bacteria in your dog’s mouth aren’t zoonotic, which means you probably won’t get a disease from a big old doggy kiss. There are exceptions to this. Dogs that eat a raw diet are at an increased risk of contracting salmonella, which can be spread to humans. You also probably shouldn’t share kisses with a dog that regularly raids the litter box.

In other words, kissing your dog is less risky than kissing another human, but that doesn’t mean that your dog’s mouth is necessarily cleaner than a human’s—they just have a mostly incompatible set of germs."

dogs, dog mouths, dog kisses, dog teeth cleaningKeep your dog's mouth clean with regular teeth brushing.Photo credit: Canva

Keeping your dog's mouth healthy through regular teeth cleaning and dental check-ups can also help prevent issues that could potentially come from dog licks.

So there you have it. If your dog doesn't eat a raw diet and doesn't go snacking in the cat box (or some other equally fecal-bacteria-ridden place), their kisses are probably not going to hurt you. Guilt-free pooch smooches for the win!

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Sustainability

How Kamikatsu became the first zero-waste town in Japan, and what we can learn from them

Meet the tiny town that's radicalizing the ways we recycle.

Photo credit: Canva

Anyone can transform their relationship with waste.

In Japan, one of the first things you notice is how intense they are about recycling. Bins are guarded by two to three uniformed protectors who are quick to tell you if you’re doing things wrong. For a novice—especially one from America—that seems to be almost everything. The plastic plate wasn’t washed clean enough, you’re headed to the wrong bin (there are many, all with varying purposes), etc.. It can feel quite exhausting until you realize that Japan is a global leader in plastic bottle and e-waste recycling, with an impressive 86% and 70%, respectively. Compare that to the global recycling numbers: according to the Ellen MacArthur Foundation, about 30% of plastic water bottles (PET) are recycled globally and only 22% of all e-waste is formally recycled globally.

However, nestled in the lush mountains of Shikoku Island—the smallest of Japan’s four islands—is a tiny town that’s revolutionizing the trash and recycling industry. Welcome to Kamikatsu. All 1,400 residents here are so committed to zero-waste, they sort their garbage into 45 different categories and don’t even use garbage trucks. And their efforts have paid off: Kamikatsu received a remarkable 81% recycling rate—the highest in the world, thus far.

Recyling, reusing, environment, Japan, environmentKamikatusu's recycling techniques are well worth the effort. Kamikatsu Zero Waste Center

For perspective, Japan’s national average (for overall solid waste recycling) is only 20%. Germany is considered as the global leader in recycling household and municipal waste, with a recycling rate of 67%. Following Germany are Austria (58%), South Korea (59%) Slovenia (58%), and Belgium (54%). The United States rests at 32%, although it aims for 50% by 2030. In short, Kamikatsu isn’t just lapping the world’s global leaders: it’s redefining what’s possible.

Which wasn’t always the case. In the 1970s, there was nothing exceptional about Kamikatsu, in terms of recycling. According to ReasonsToBeCheerful: “The roots of Kamikatsu’s reuse revolution go back decades. During Japan’s postwar economic boom, the expansion of mass industry created huge amounts of waste, which increased from 6.2 million tons in 1955 to 43.9 million tons in 1980. In response, municipalities across Japan, including Kamikatsu, began to build incinerators to dispose of it all. But over time, concern grew about the pollution being created.”

Recycling, Japan, zero-waste, trash, environmentThe inside of Kamikatsu's Zero Waste Center. KAMIKATSU ZERO WASTE CENTER

The town’s transformation took years, beginning in 1991, when officials first tackled food waste by providing composters to every household. By 1997, they’d created nine categories for recycling:

  1. Newspapers
  2. Magazines and flyers
  3. Cardboard
  4. Milk cartons
  5. Other paper
  6. Aluminum cans
  7. Steel cans
  8. Glass bottles
  9. PET bottles

This was the moment that changed everything for Kamikatsu, a significant cultural and logistical shift that laid the foundation for years to come. "It was tough because it changed their day-to-day duties," admits Akira Sakano, founder and director of Zero Waste Japan, "but people got used to it."


Recycling, Japan, zero-waste, trash, environmentHow to recycle boxes and other cardboard goods. KAMIKATSU ZERO WASTE CENTER

Today, Kamikatsu continues its goal to become fully zero-waste. The town closed down their incinerators, removed all garbage trucks, and now boasts a radical 45 categories for recycling.

But do you really need a 45-category system to cut back on waste? Of course not. Here are five practices anyone can adopt at home:

  1. Compost your food waste. According to Kamikatsu’s garbage guide (which was helpfully translated by Core77), “Compost food scraps [is] the only resource you can recycle yourself.” By using compost bins, electric composters, and bamboo composters, residents are able to transform food scraps into valuable fertilizer.
  2. Embrace second-hand. The town has a “Kuru-kuru” shop, which translates to “come and go,” and offers free second-hand items to anyone who wants them. Each product is weighed and tracked, to account for exactly how much waste is avoided. To do this locally, try joining your neighborhood’s Buy Nothing group, or donate to a Tiny Free Library.
  3. Get creative with upcycling. Local artisans in Kamikatsu transform old clothes, like kimonos, and koinobori (fish-shaped streamers) into bags, jackets, and toys. So, ask yourself: Do I really need to throw away that jar, or could it become a treasured container? Old t-shirts could become lovely, braided rugs. Egg cartons make wonderful painted art projects or storage bins.
  4. Reuse your own containers. Places like The Refill Shoppe, Common Good, and Clean Cult offer green alternatives to single-use cleaning solutions and soaps. Their wide variety of refillable products also use less packaging and contain non-toxic ingredients.
  5. Question consumption. The Kamikatsu Zero Waste Center is shaped in a giant question mark, urging people to ask why they must spend money on something. Their website reads: “Why do you buy it? Why do you throw it away?” It’s a reset, an invitation to rethink your relationship with constant consumption.

As we face mounting environmental challenges, Kamikatsu offers a powerful reminder: with community commitment and creative thinking, we can transform our relationship with waste. Are you ready to try?

Recycling, Japan, zero-waste, trash, environmentGive radical recycling a try. KAMIKATSU ZERO WASTE CENTER

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