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Former Levi's CEO Charles Bergh settled the debate on how often you should wash your jeans

"We don’t need to wash jeans as often as most people think we do.”

via Levi Strauss and Ricardo Gomez Angel/Unsplash

Levi's CEO Charles Bergh settles the jean washing debate

Social media has become a fertile breeding ground for conversations about hygiene. Whether it’s celebrities bragging about how little their family bathes or battles over how often people should wash their sheets or bras.

One of the debates that gets the most diverse responses is how often people wash their denim jeans.

Denim atelier Benjamin Talley Smith tells Today that jeans should be washed "as little as possible, if at all.” Laundry expert Patric Richardson adds they should be cleaned “after nine or 10 wearings, like to me, that is the ideal." At that point, they probably have stains and are "a little sweaty by that point, so you need to wash 'em," Richardson says.

Still, some people wash and dry them after every wear while others will hand wash and never hang dry. With all these significant differences of opinion, there must be a correct answer somewhere, right?

The former CEO of Levi Strauss, Charles Bergh, has stepped up to set the record straight on when and how to wash your jeans. He caused a stir in 2014 when he said he only washes his jeans once a year, but it was for environmental reasons more than hygiene.


He later clarified his thoughts in a blog post, “The Dirty Jean Manifesto” he posted to LinkedIn.

“I made this provocative statement because I believe strongly in what our brands stand for: quality, durability and lasting products made sustainably. I also said it because I believe we don’t need to wash jeans as often as most people think we do,” Bergh wrote.

"We learned that an average pair of jeans consumes roughly 3,500 liters of water — and that is after only two years of use, washing the jeans once a week," Bergh wrote. "Nearly half of the total water consumption, or 1,600 liters, is the consumer throwing the jeans in the washing machine. That’s equivalent to 6,700 glasses of drinking water!"

To add to the problem, denim jeans are often manufactured in places where water is scarce, such as India, Pakistan, Mexico, China and parts of California.

Bergh recently spoke with CNBC’s Christine Tan and clarified his thoughts on jean cleanliness.

“True denim heads, people that really love their denim, will tell you to never put your denim into a washing machine. So that’s what I do,” Bergh explained. “If I drop some curry on my jeans, I’m gonna clean it. But I’ll spot-clean it. And if they get really gross you know, if I’ve been out sweating or something and they get really gross, I’ll wash them in the shower.”

However, when Bergh washes his jeans in the shower, he does it while wearing them and washing them with soap. The image that the scene conjures is of a cowboy bathing in a cartoon, clothes on and all.

There are a lot of different opinions on how often one should wash and dry their jeans and many of them boil down to personal preference. But the debate on the topic has brought up one very big point we should all consider: when choosing how often we wash our jeans, a big part of the decision should be considering the amount of water we use.

This article originally appeared two years ago.

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Amazing ocean facts you never learned in school

Not even Captain Ahab knew this much about marine life.

Photo by Milos Prelevic on Unsplash
brown fish beside coral under body of water

The ocean covers more than 70 percent of our planet—yet there’s so much about it that we don’t yet know. Experts, in fact, believe we’ve only explored about five percent of the ocean so far—meaning that most of it remains completely unseen and undiscovered.

What we do know, however, is that the ocean is truly wise. Not only does it sustain all human and animal life on the planet, the creatures under the sea continue to give scientists insight that can transform human lives as well (just read about the amazing axolotl below to see what we mean).

A happy ocean makes for happy, healthy human beings (not to mention a healthy planet)—so this summer we’re helping our friends at Ocean Wise spread the word that no action is too small—holding a cleanup on a local shoreline, for instance. Learning about our ocean and all its wonders is another step anyone can take for conservation, so buckle in and prepare for a tidal wave of info that will blow your mind.

1. Playing music—specifically, recordings of healthy reef soundscapes—can help grow coral reef populations.

live coralsPhoto by QUI NGUYEN on Unsplash

Healthy coral reef populations are filled with diverse sounds, thanks to the fish, snapping shrimp, and other marine life that live there. Scientists have found that playing recorded sounds of healthy reefs actually attract coral larvae, since the sounds indicate a healthy, vibrant habitat. Using this knowledge, scientists have taken recorded reef sounds, played them near degraded reefs, and in doing so, have increased the settlement rates of coral larvae, helping the coral reefs regenerate.

2. Dolphins like to party with pufferfish.

Photo by Talia Cohen on Unsplash

How’s this for a good time? Dolphins, particularly younger ones, have been known to seek out pufferfish to play games with them, chewing on them and passing them back and forth between each other like a hacky sack. Not only is this entertainment for the dolphins, scientists theorize that they may intentionally be trying to get the pufferfish to give off a neurotoxin called tetrodotoxin (TTX)–which is a chemical they release when threatened. This chemical is highly toxic in large doses–but in small quantities, experts think that it might induce a mild, pleasurable effect in the dolphins, similar to a narcotic. Party on.

3. Male humpback whales are total crooners.

A male humpback whale breaches the water.

Photo by Thomas Kelley on Unsplash

All humpback whales can vocalize, but male humpback whales actually sing.

During mating season, scientists have observed male humpback whales making sounds that are distinctly different from other humpback calls. Unlike other sounds, these songs have a clear structure, and use small, repetitive “phrases” organized in a specific sequence—in the same way humans sing different verses during a song. Even more amazing? Male humpbacks all sing the same song together in “choruses,” in sessions that last from five minutes to several hours.

4. Axolotls have superpowers (and scientists think it could benefit humans one day).

a couple of animals that are in some waterPhoto by T K on Unsplash

Among biologists, axolotls are known for their ability to regrow lost or damaged tissue. When an adult axolotl loses a limb, they can actually grow it back in just a few months time, thanks to a substance they produce called retinoic acid, which plays a large role in regenerating skin cells. (If the name sounds familiar, it’s because retinoic acid is a derivative of Vitamin A, and it’s commonly found in skin creams.) While we already know that retinoic can make our skin look fabulous, scientists are currently studying whether it could someday help human limbs regrow, similar to the axolotl’s.

5. A healthy ocean can help reverse climate change

green algae underwater photographyPhoto by Brian Yurasits on Unsplash

The ocean generates half of the oxygen we breathe and absorbs nearly a third of the world’s carbon emissions. Phytoplankton, the microscopic algae that float near the ocean’s surface, are a big part of the reason why. But there’s another unsung hero—kelp. Unlike phytoplankton, kelp are large seaweeds that grow in dense underwater forests along coastlines, absorbing CO2 and supporting ecosystems. Ocean Wise is helping bring back these powerful carbon sinks one kelp forest at a time.

Help us #BeOceanWise by doing one small thing for ocean conservation in your community (because just one thing can start a huge wave of positive change). Visit ocean.org for tips and tricks to keep our oceans healthy because no action is too small.

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Sustainability

Mother and daughter duo transform their boring backyard into a breathtaking plant paradise

They also show how just about anyone can easily do it themselves.

TikTok

"Here's the story of how we created a lush habitat garden."

Nature is healing. After a century of rampant urbanization—deforestation, invasive species, paving paradise and putting up a parking lot—we’re finally coming back to our roots. In Southern California, a mother-daughter design team is leading the way, teaching the public and their clients how to transform ordinary outdoor areas into extraordinary plant sanctuaries. In a viral TikTok video, Donna and Caitlin Whelan demonstrate how they created a lush habitat garden out of an ordinary backyard. It’s captured the hearts of green-thumbed viewers and offers an inside look into the process of eco-friendly landscaping.

Trust the process

Donna and Caitlin run Whelan Design House, a boutique interior design firm that specializes in high-end projects. Drawing on their combined talents and impeccable taste, this mother-daughter team create beautiful living spaces with a human-centered approach. Their commitment to healthy environments shines through in their design philosophy. As they state on their website, "Our world is full of synthetic materials, but we believe there are other options. We guide our clients toward sustainable and environmentally respectful choices and away from chemical-laden fabrics and unhealthy materials."

grass, backyard space, bare, old, before pictureWhere we started.TikTok

Which brings us to the viral backyard renovation. This was more than just a design project: it’s a masterclass in the power of family bonds and environmental innovation. The 18-part video begins with a plain, unremarkable yard. “This is how it looked when we started,” they write. “The grass wasn’t providing anything for the local [ecosystem], and it required way too much water to maintain.”

America has a “perfect lawn” problem. Dreams of white picket fences and a manicured lawn have driven the country into a “green, monoculture carpet,” and our human-dominated landscape is no longer equipped to support functional ecosystems. Like everything else in life, our front lawns do not exist in a vacuum. Everything, from the trees to the flowers to the grass to the soil, all work harmoniously to create a thriving home for insects, birds, and other wild creatures. But when native species are replaced with alien ones, these exotic plants disrupt the flow of life, wreaking havoc and degrading the natural habitat.

So, Donna and Caitlin tore it up. All of it. They removed the neatly cut grass and trees from unknown origins. Ripped up swaths of concrete (“concrete suffocates the soil, preventing the growth of microbes that are essential for healthy soil,” they write).

after photo, pebbles, backyard, green space, oasisParadise in the backyardTikTok

California’s natural beauty

Once the land was returned to ground zero, Caitlin and Donna got to work, replacing the non-native species with ones that were suited to the environment. “Native plants are adapted to the timing of the seasons, harshness of the weather, and water availability of the particular area they evolved within,” describes Defenders of Wildlife, a premier U.S.-based conservation organization. “They are also typically adapted to surviving local pests and, therefore, do not need chemical pesticides.”

So, the dynamic duo began anew, carefully planning and selecting the right plants. They chose drought-tolerant flora that was either native to the area or regionally appropriate, like the wattle-leaf acacia, whose delicate yellow blooms and fern-like leaves added a wonderful splash of splendor to the landscape. Plus, it’s known for its resiliency and minimal water needs—an especially crucial component in Southern California, where droughts are unfortunately quite commonplace. The orange-hued apricot mallow, another star of their garden, brings another pop of color and radiance and attracts butterflies to the space. “The flowers smell like honey,” write the Whelans.


nature. yard, large plants, makeover, native plantsWelcome to Whelan Design House.TikTok

Beyond the lush wildlife, the mother-daughter team also drew upon their impressive art experiences to design the garden of their dreams. They installed a lovely wooden bench, shaded beneath a Palo Verde tree. Small tables that look like sculptures dot the yard. Rustic Saltillo tiles, made of gorgeous terracotta, were used to create a mosaic patio floor. Suddenly, everything clicked. The resulting space is nothing short of awe-inspiring: truly one with nature.

Comments flooded in, with viewers praising Donna and Caitlin for their work. “You created your own slice of paradise while considering the wildlife and native plant species. I’m in awe,” someone wrote. “Thank you for planting native plants in CA, it’s so helpful. So many people buy houses here and plant non-native plants,” another user replied. Their viral TikTok even motivated some to rethink their own backyards. “My house is also a small older Spanish-style with a big backyard,” writes another. “This just inspired me to take action. Even my patio is just like yours, it’s coming down now lol.”

Change is always possible

Tired of mowing the grass and applying harmful pesticides? There are countless ways to incorporate native vegetation into your life, whether you have sprawling acres or a simple, small plot out front. For those interested in following in the Whelans’ footsteps, here’s what you need to know about starting your own native plant oasis:

  • Take stock. Before planning your beautiful new garden, examine your surroundings and evaluate what makes this particular area special and unique. How much sun does the yard typically get? Does it snow here? What’s the elevation like? Is the soil drainage poor?
  • Research, research, research. This is a great excuse for an excursion and to explore your local surroundings! Find a park near you with native plants or a botanical garden. Really get to know your local ecosystem—every region has its own personality and specific native plants that are meant to thrive there.
  • The fun part: Shopping spree. Find a nursery that specializes in native plants. And be curious! Ask questions, like “Where did this plant come from?” “Do I need to fertilize it?” “What soil and soil pH is best?” To create a native plant garden is to become a steward of the land, and the more information you know, the better.
  • Don’t stress. Caitlin and Donna are professionals. You don’t need to transform your entire backyard overnight. Start small, beginning with just a section of the garden. This will take time. In fact, the Whelans note, “patience is incredibly important. The beauty of [the garden] reached new depths with time and only time.”

yard, table, backyard, oasis, makeoverBeauty is possible!TikTok

By choosing native plants and working with nature rather than against it, the Whelans remind us that environmental stewardship is always possible—and can even start in your own backyard. With some careful planning, the correct plants, and an eye for design, anyone can take a step towards contributing to a natural, thriving ecosystem.

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Researchers dumped coffee waste into a forest and couldn't believe what it looked like 2 years later

We used to throw away 10 million tons of coffee pulp every year. These researchers may have found a better use for it.

British Ecological Society

Spreading coffee pulp over barren land lead to rapid forest growth.

Coffee, believe it or not, seems to be an ever-expanding market. The hot or cold, caf or decaf beverage gets more and more popular every year. That's in part due to the fact that people are drinking coffee younger and younger. Surely, you've seen the 10-year-olds ordering oatmilk shaken espressos out in the wild, and the high-schoolers starting each day with a hot cup of joe.

It's great news for Starbucks and Folgers, but maybe not such great news for the environment. Because one of the biggest problems with coffee production is that it generates an incredible amount of waste. Once coffee beans are separated from cherries, about 45% of the entire biomass is discarded. So for every pound of roasted coffee we enjoy, an equivalent amount of coffee pulp is discarded into massive landfills across the globe.

That means that approximately 10 million tons of coffee pulp is discarded into the environment every year. When disposed of improperly, the waste can cause serious damage soil and water sources.

However, a new study published in the British Ecological Society journal Ecological Solutions and Evidence has found that coffee pulp isn't just a nuisance to be discarded.

It can have an incredibly positive impact on regrowing deforested areas of the planet, of which there are also increasingly many.

coffee, environment, environmentalism, global warming, climate change, innovation, science, planet, earthA layer of coffee pulp three feet thick was applied. via British Ecological Society

In 2018, researchers from ETH-Zurich and the University of Hawaii spread 30 dump trucks worth of coffee pulp over a roughly 100' x 130' area of degraded land in Costa Rica. Remember, coffee pulp is made from the discarded bits of coffee cherries, not from used grounds. The experiment took place on a former coffee farm that underwent rapid deforestation in the 1950s.

The coffee pulp was spread three-feet thick over the entire area.

Another plot of land near the coffee pulp dump was left alone to act as a control for the experiment.

"The results were dramatic." Dr. Rebecca Cole, lead author of the study, said. "The area treated with a thick layer of coffee pulp turned into a small forest in only two years while the control plot remained dominated by non-native pasture grasses."

In just two years, the area treated with coffee pulp had an 80% canopy cover, compared to just 20% of the control area. So, the coffee-pulp-treated area grew four times more rapidly. Like a jolt of caffeine, it reinvigorated biological activity in the area.

The canopy was also four times taller than that of the control.

coffee, environment, environmentalism, global warming, climate change, innovation, science, planet, earthThe forest experienced a radical, positive change via British Ecological Society

The coffee-treated area also eliminated an invasive species of grass that took over the land and prevented forest succession. Its elimination allowed for other native species to take over and recolonize the area.

The coffee pulp did two things. First, it suppressed invasive grasses so that native growth could flourish. And second, it greatly elevated the nutrients in the soil, boosting phosphorous, carbon, and nitrogen levels – all key elements for rapid new growth.

"This case study suggests that agricultural by-products can be used to speed up forest recovery on degraded tropical lands. In situations where processing these by-products incurs a cost to agricultural industries, using them for restoration to meet global reforestation objectives can represent a 'win-win' scenario," Dr. Cole said.

If the results are repeatable it's a win-win for coffee drinkers and the environment.

coffee, environment, environmentalism, global warming, climate change, innovation, science, planet, earthWe can't outpace deforestation, but innovations like this can help dramatically. Photo by Miha Rekar on Unsplash

Researchers believe that coffee treatments can be a cost-effective way to reforest degraded land. They may also work to reverse the effects of climate change by supporting the growth of forests across the globe. With a staggering 10 million hectares of land deforested globally every year (a hectare is an area of 10,000 square meters, just imagine 10 million of those) it's an urgent issue that could decide the fate of our entire planet.

The 2016 Paris Agreement made reforestation an important part of the fight against climate change. The agreement incentivizes developing countries to reduce deforestation and forest degradation, promote forest conservation and sustainable management, and enhance forest carbon stocks in developing countries.

coffee, environment, environmentalism, global warming, climate change, innovation, science, planet, earthWith coffee consumption on the rise, the findings are more important than ever. Photo by Mike Kenneally on Unsplash

"We hope our study is a jumping off point for other researchers and industries to take a look at how they might make their production more efficient by creating links to the global restoration movement," Dr. Cole said.

This article originally appeared three years ago. It has been updated.

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