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'Forgotten' water harvesting system transforms 'barren wasteland' into thriving farmland

The half moons even help replenish the water table.

Credit: Andrew Millison/YouTube

Half moons allow water to be retained for agriculture and even replenish the groundwater table.

When the Great Green Wall initiative began in 2007, it was just a vision of a big, beautiful wall of greenery spanning the width of Africa to keep the Sahara Desert from encroaching on the rest of the continent. Despite years of successes and failures, celebration and criticism, we can see the progress being made as an inspiring example of how local and global collaboration can help counter the effects of climate change.

Just a few years ago, the Sahel region at the northern edge of Senegal was a "barren wasteland" where nothing had grown for 40 years. But the United Nations World Food Programme (WFP) and local villagers teamed up to regreen the area, bringing back agriculture, improving the economy of the people who live there, and preventing the climate migration that desertification ultimately leads to.

How do you hold back the world's largest hot desert?

According to Andrew Millison, a permaculture designer and instructor at Oregon State University, the Sahara desert has expanded by about 10% in the past 100 years. The idea behind the Great Green Wall is to build a barrier of vegetation to stop that expansion, which threatens the ecosystems and economies of the Sahel—the region south of the Sahara that separates the desert from the savanna.

In a video from February of 2024, Millison shared the collaborative nature and progress of one Great Green Wall project in Senegal, including the rejuvenation of 300,000 hectares (about the equivalent of 600,000 football fields) of seemingly unusable land.

- YouTubewww.youtube.com

"The process started with the community-based participatory planning," WFP program policy officer Bakalilou Diaby shares in the video. "By the end of this process, it was agreed that one of the major action is the land reclamation or land recovery project."

At first, it took some time to convince the community that the regreening of the degraded landscape was even possible, but after learning about how to improve the land, "the people believe and they are convinced, and they are also committed," says Diaby.

The 'forgotten' half-moon method of harvesting water

One of the keys to this particular regreening project is using long-forgotten techniques for harvesting water. When soil is crusted and sunbaked and hard as cement, rainwater doesn't penetrate and it's impossible for plants to take root. The solution? Half-moon shaped ditches dug in such a way that water flows into them on the straight side with an embankment built on the rounded side to hold the water in. Each half moon is 4 meters in diameter and takes about a day for one person to dig.

Local vegetation domesticated on the Sahel thousands of years ago, such as sorghum and millet, are planted in these half moons, rehabilitating the land and feeding the local community at the same time.

"This is nothing new—we have not invented a technology here," explains Sebastian Muller from the WFP resilience team. "The half moon technology is actually an endogenous technology to the Sahel and has been forgotten over time. We have rescued it from the past."

Not only does capturing water in the half moons help with the immediate need to grow food and contribute to the Great Green Wall, but 10% to 15% of the water will actually soak into the ground to replenish the water table, creating a more sustainable agricultural process.

"That way we actually achieve a balance of water. So we are not depleting the water resources, but we're making sure that we keep enough water in the ground for future generations," says Muller.

Other crops such as okra and tomatoes are grown in horizontal horticulture beds, and between those ditches grow trenches with fruit trees in them.

Engaging indigenous wisdom for sustainable farming

"This is just a very first step in this pilot," adds Muller. "We'll also be using other native species that will be planting in the pits that will drive the rejuvenation of the soil and the protection of the soil as the system starts growing into abundance and producing food and life for the people here."

According to Muller, the "syntropic farming" methods being employed were developed in Brazil and are based on global indigenous practices that mimic the way natural forests grow and thrive. These natural growing dynamics make agriculture more sustainable, continually replenishing the land rather than continually depleting it—truly a testament to global collaboration carried out at the local level with local community support.

"This project was really, really interesting because the World Food Programme wanted to demonstrate how you could take the most devastated areas and turn them back into resilient, food-producing locations," says Millison. "And they specifically placed their project on a very degraded landscape that had been taken down to bare, compacted earth."

If this desertified "wasteland" can be rejuvenated so successfully, it provides hope for recovering other land that many people might write off as useless or barren. As climate change continues to alter the Earth's landscape—literally—we'll need to keep working together both locally and globally to find solutions like the Great Green Wall and support their implementation.

You can learn more about successful permaculture practices on Andrew Millison's YouTube channel.

This article originally appeared in January.

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A guy planted two potatoes in an Amazon shipping box to prove a point. Mission accomplished.

You should see how many potatoes he got out of this experiment.

The Gardening Channel with James Prigioni/YouTube

Can you grow vegetables in a cardboard box?

In the era of supermarkets and wholesale clubs, growing your own food isn't a necessity for most Americans. But that doesn't mean it's not a good idea to try.

A household garden can be a great way to reduce your grocery bill and increase your intake of nutrient-dense foods. It can also be a good source of exercise and a hobby that gets you outside in the sunshine and fresh air more often. However, not everyone has a yard where they can grow a garden or much outdoor space at all where they live. You can plant things in containers, but that requires some upfront investment in planters.

container garden, growing plants in containers, growing vegetables, homegrown, producePotted plants and herbs can thrive in a container garden.Photo credit: Canva

Or does it? Gardener James Prigioni set out to see if an Amazon shipping box would hold up as a planter for potatoes. He took a basic single-walled Amazon box, lined it with dried leaves to help with moisture retention, added four to five inches of soil (his own homegrown soil he makes), added three dark red seed potatoes, covered them with more soil, added a fertilizer, then watered them.

He also planted a second, smaller Amazon box with two white seed potatoes, following the same steps.

Two weeks later, he had potato plants growing out of the soil. Ten days after that, the boxes were filled with lush plants.

- YouTubewww.youtube.com

Prigioni explained how to "hill" potato plants when they grow tall enough, which helps encourage more tuber growth and protect the growing potatoes from sunlight. Hilling also helps support the plants as they grow taller so they don't flop over. He also added some mulch to help keep the plants cooler as the summer grew hotter.

After hilling, Prigioni only needed to keep up with watering. Both varieties of potatoes flowered, which let him know the tubers were forming. The red potato leaves developed some pest issues, but not bad enough to need intervention, while the white potato plants were unaffected. "It goes to show how variety selection can make a big difference in the garden," he explained.

The visible plants have to start dying before you harvest potatoes, and Prigioni checked in with the boxes themselves when they got to that point.

vegetable garden, growing potatoes, grow potatoes in a cardboard box, Amazon box, farmingFreshly harvested potatoes are so satisfying.Photo credit: Canva

"I am pleasantly surprised with how well the boxes held up," he said, especially for being single-walled boxes. The smaller box was completely intact, while the larger box had begun to split in one corner but not enough to affect the plants' growth. "This thing was completely free to grow in, so you can't beat that," he pointed out.

Prigioni predicted that the red potatoes grown in the larger box would be more productive. As he cut open the box and pulled potatoes from the larger box, they just kept coming, ultimately yielding several dozen potatoes of various sizes. The smaller box did have a smaller yield, but still impressive just from two potatoes planted in an Amazon box.

People often think they don't have room to grow their own food, which is why Prigioni put these potato boxes on his patio. "A lot of people have an area like this," he said.

"I will never look at cardboard boxes the same," Prigioni added. "There are so many uses for them in the garden and it's just a great free resource we have around, especially if you're ordering stuff from Amazon all the time."

cardboard box, container garden, amazon box, growing vegetables, gardeningDo you see a box or do you see a planter?Photo credit: Canva

People loved watching Prigioni's experiment and shared their own joy—and success—in growing potatoes in a similar fashion:

"I have been growing potatoes in every box I can find for several years now. I have had excellent success. I honestly think potatoes prefer cardboard. And yes, most of my boxes were from Amazon."

"I live in an upstairs apartment with a little deck and I have a container garden with containers on every single stair leading to the deck. I grow potatoes in a laundry basket. It's amazing how much food I can get from this type of garden!! Grateful."

"I literally got up and grabbed the empty boxes by our front door, the potatoes that have started to sprout, and soil i had inside and started my planting at 1am. Lol. I will take them outside today and finish. Thank you James!"

"I grew potatoes and tomatoes on my tiny balcony in Germany (in buckets and cardboard boxes). Now I have a big garden here in America. I so love to grow my own food."

"I grew sweet potatoes in cardboard boxes. It’s so much fun."

Next time you're stuck with an Amazon box that you don't have a use for, consider whether you could use it as a planter for potatoes or some other edible harvest. Gardening doesn't have to be fancy to be effective.

You can find more of gardening experiments on The Gardening Channel with James Prigioni.

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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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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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