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Sustainability

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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Sustainability

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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Science

What will Earth look like if all its land ice melts? Here's your 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.

Animated map highlighting major European cities with a rotating 3D effect.

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

Map showing a flight path from Dakar, Senegal, to various U.S. cities.

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

Animated map showing routes between Beijing, Shanghai, and Tokyo.

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

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.

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!)

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

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

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

"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:

This article originally appeared ten ago.

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Animals & Wildlife

The oldest whales on the planet are more ancient than 'Moby-Dick' and have the harpoons to prove it

Wow... just wow.

Image from Pixabay.

Under the sea...

True
The Wilderness Society

You're probably familiar with the literary classic "Moby-Dick." But in case you're not, here's the gist: Moby Dick is the name of a huge albino sperm whale. (Get your mind outta the gutter.)

There's this dude named Captain Ahab who really really hates the whale, and he goes absolutely bonkers in his quest to hunt and kill it, and then everything is awful and we all die unsatisfied with our shared sad existence and — oops, spoilers!


OK, technically, the narrator Ishmael survives. So it's actually a happy ending (kind of)!

whales, Moby Dick, poaching endangered species

Illustration from an early edition of Moby-Dick

Image from Wikimedia Commons.

Basically, it's a famous book about revenge and obsession that was published back in 1851, and it's really, really long.

It's chock-full of beautiful passages and dense symbolism and deep thematic resonance and all those good things that earned it a top spot in the musty canon of important literature.

There's also a lot of mundane descriptions about the whaling trade as well (like, a lot). That's because it came out back when commercial whaling was still a thing we did.

conservation, ocean water conservation

A non-albino mother and baby sperm whale.

Photo by Gabriel Barathieu/Wikipedia.

In fact, humans used to hunt more than 50,000 whales each year to use for oil, meat, baleen, and oil. (Yes, I wrote oil twice.) Then, in 1946, the International Whaling Commission stepped in and said "Hey, wait a minute, guys. There's only a few handful of these majestic creatures left in the entire world, so maybe we should try to not kill them anymore?"

And even then, commercial whaling was still legal in some parts of the world until as recently as 1986.

International Whaling Commission, harpoons

Tail in the water.

Whale's tail pale ale GIF via GoPro/YouTube

And yet by some miracle, there are whales who were born before "Moby-Dick" was published that are still alive today.

What are the odds of that? Honestly it's hard to calculate since we can't exactly swim up to a bowhead and say, "Hey, how old are you?" and expect a response. (Also that's a rude question — jeez.)

Thanks to some thoughtful collaboration between researchers and traditional Inupiat whalers (who are still allowed to hunt for survival), scientists have used amino acids in the eyes of whales and harpoon fragments lodged in their carcasses to determine the age of these enormous animals — and they found at least three bowhead whales who were living prior to 1850.

Granted those are bowheads, not sperm whales like the fictional Moby Dick, (and none of them are albino, I think), but still. Pretty amazing, huh?

whale blubber, blue whales, extinction

This bowhead is presumably in adolescence, given its apparent underwater moping.

GIF via National Geographic.

This is a particularly remarkable feat considering that the entire species was dwindling near extinction.

Barring these few centenarian leviathans, most of the whales still kickin' it today are between 20 and 70 years old. That's because most whale populations were reduced to 10% or less of their numbers between the 18th and 20th centuries, thanks to a few over-eager hunters (and by a few, I mean all of them).

Today, sperm whales are considered one of the most populous species of massive marine mammals; bowheads, on the other hand, are still in trouble, despite a 20% increase in population since the mid-1980s. Makes those few elderly bowheads that much more impressive, huh?

population, Arctic, Great Australian Blight

Southern Right Whales hangin' with a paddleboarder in the Great Australian Bight.

GIF via Jaimen Hudson.

Unfortunately, just as things are looking up, these wonderful whales are in trouble once again.

We might not need to worry our real-life Captain Ahabs anymore, but our big aquatic buddies are still being threatened by industrialization — namely, from oil drilling in the Arctic and the Great Australian Bight.

In the off-chance that companies like Shell and BP manage not to spill millions of gallons of harmful crude oil into the water, the act of drilling alone is likely to maim or kill millions of animals, and the supposedly-safer sonic blasting will blow out their eardrums or worse.

This influx of industrialization also affects their migratory patterns — threatening not only the humans who depend on them, but also the entire marine ecosystem.

And I mean, c'mon — who would want to hurt this adorable face?

social responsibility, nature, extinction

BOOP.

Image from Pixabay.

Whales might be large and long-living. But they still need our help to survive.

If you want another whale to make it to his two-hundred-and-eleventy-first birthday (which you should because I hear they throw great parties), then sign this petition to protect the waters from Big Oil and other industrial threats.

I guarantee Moby Dick will appreciate it.


This article originally appeared ten years ago.

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