Sea Cucumbers Working Overtime

Diagram of a test project in Italy in which sea cucumbers cleaned up excrement from farmed mussels. GROSSO ET AL.

A topic that rarely, if ever, has made our pages, the sea cucumber’s moment in the spotlight has arrived:

A sea cucumber near Mindoro Island in the Philippines. IMAGEBROKER / ALAMY STOCK PHOTO

Are Sea Cucumbers a Cleanup Solution to Fish Farm Pollution?

Seafood farm operators are breeding and deploying sea cucumbers to vacuum up the massive amounts of fish waste that pose a major problem for their industry. It is part of an effort to redesign fish farms with multiple species so that they work more like natural ecosystems.

Sea bass at a fish farm in the Adriatic Sea off the coast of Slovenia. WATERFRAME / ALAMY STOCK PHOTO

Off the coast of the Hawaiian Island of Kauai, an underwater metropolis bustles. Sea turtles glide lazily through the surf while schools of fluorescent yellow butterflyfish weave between basketball-size sea urchins and sharp corals.

But Dave Anderson isn’t distracted by the otherworldly charm of the coral reef — he’s here on a mission. Around 70 feet below the surface, he finds his prize: a red sea cucumber. Continue reading

Out With PFAS, Considering Alternatives

PFAS are used as a coating on food packaging and are prevalent in other everyday items like personal care products and textiles.

Triple Pundit, and writer Riya Anne Polcastro, are new to us, and we appreciate their coverage of this complex topic, important both for health and environmental reasons:

Nixing PFAS is a Real Possibility: Here’s One Company That’s Doing It

Per- and polyfluorinated substances (PFAS) have been getting a lot of negative publicity. And with good reason. Classified as “forever chemicals,” they’ve been found in food, water, soil, animals and even our blood. Although the extent of their effects is not fully understood, they are known to negatively impact human health in a variety of ways. But while many are calling for an overall ban on the chemicals, pushback from the industry seeks to simply switch out the PFAS we already know are harmful with lesser-known ones that likely have the same — or possibly even worse — effects. Continue reading

The World Of Sugar, Reviewed

Our thanks to the LA Review of Books for this review by Dinyar Patel:

Sugar, Slavery, and Capitalism: On Ulbe Bosma’s “The World of Sugar”

WHAT MIGHT DONALD RUMSFELD have in common with Frederick Barbarossa, Mormons, and Queen Elizabeth I’s rotting teeth? The answer is simpler than you might expect: the power and influence of sugar, a crystalline specimen of world-historical significance dissolved in your morning coffee or tea. A warmongering neocon, a Holy Roman emperor, pious Utahns, and a heavily cavitied pair of Tudor gnashers are part of an expansive cast of characters in Ulbe Bosma’s new work on the sweet stuff, The World of Sugar: How the Sweet Stuff Transformed Our Politics, Health, and Environment over 2,000 Years. This book is a tour de force of global history, one that helps us better understand the genesis of both modern capitalism and globalization. Continue reading

Trees Are Always Welcome In Our Pages

The notion that clear-cutting can be counteracted by the planting of trees is a political product of the timber industry.Photograph © Robert Adams / Fraenkel Gallery

Jill Lepore gives us a 30-minute read on a topic we have linked to more times than any topic other than birds:

What We Owe Our Trees

Forests fed us, housed us, and made our way of life possible. But they can’t save us if we can’t save them.

The woods I know best, love best, are made of Northern hardwoods, sugar maple and white ash, timber-tall; black and yellow birch, tiger-skinned; seedlings and saplings of blighted beech and striped maple creeping up, knock-kneed, from a forest floor of princess pine and Christmas fern, shag-rugged. White-tailed deer dart through softwood stands of pine and hemlock, bucks and does, the last leaping fawn, leaving tracks that look like tiny human lungs, trails that people can only ever see in the snow, even though, long after snowmelt, dogs can smell them, tracking, snuffling, shuddering with the thrill of the hunt and noshing on deer scat for dog treats. Continue reading

The Bathysphere Book, Reviewed

When a book like this comes along, take in what the review has to say, maybe read a second opinion, then go find a copy from any of the several independent booksellers offering it:

In “The Bathysphere Book,” Brad Fox chronicles the fascinating Depression-era ocean explorations of William Beebe.

Wildlife Conservation Society Archives

Consider the siphonophore. An inhabitant of the lightless ocean, it looks like a single organism, but is actually a collection of minute creatures, each with its own purpose, working in harmony to move, to eat, to stay alive. They seem impossible but they are real. In 1930 William Beebe was 3,000 feet underwater in a bathysphere, an early deep-sea submersible, when he spotted a huge one: a writhing 20-yard mass whose pale magenta shone impossibly against the absolute blackness of the water. As you can imagine, it made an impression.

Wildlife Conservation Society Archives

“The siphonophore mind, Beebe thought, asks us to rethink our individuality, to consider our epidermis as only one way to measure the extent of our bodies,” writes Brad Fox in “The Bathysphere Book,” a hypnotic new account of Beebe’s Depression-era underwater exploration. “In that light, our furious competition, our back-stabbing and fights over resources, is nonsense. Better we work together, getting closer and closer, more finely attuned to each other’s needs until we are indistinguishable.” Continue reading

Green Capitalism Explained & Criticized

We are new to the website where this interview is on offer, and appreciate its proclamation: “We cut through the noise. Of social media. And algorithmic distraction. We find the serious stuff. The stuff you miss. Every week. With human curators.” We are also new to the explainer and critic on a set of topics we often have had links to:

ADRIENNE BULLER ON GREEN CAPITALISM AND THE PITFALLS OF CLIMATE FINANCE

Adrienne Buller is Director of Research at the think tank Common Wealth, where she leads investigative projects about building a democratic economy. She previously researched the intersection of finance and the climate crisis at InfluenceMap, and has also written for The Guardian and the Financial Times, among other publications. Continue reading

Bubbles On Ice

Illustration by Arina Kokoreva

A bit late considering the special issue was published one month ago, but here is another article in a recent series featuring unusual ideas about how to address climate change:

A Heat Shield for the Most Important Ice on Earth

Engineers might be able to protect Arctic ice by coating it with tiny glass bubbles. Should they?

An aerial view of the glass-bubble-covered ice, at left, and the bare ice. Photograph by Doug Johnson

On a clear morning in late March, in rural Lake Elmo, Minnesota, I followed two materials scientists, Tony Manzara and Doug Johnson, as they tromped down a wintry hill behind Manzara’s house. The temperature was in the high thirties; a foot of snow covered the ground and sparkled almost unbearably in the sunlight. Both men wore dark shades. “You don’t need a parka,” Johnson told me. “But you need sunglasses—snow blindness, you know?” At the bottom of the hill, after passing some turkey tracks, we reached a round, frozen pond, about a hundred feet across. Manzara, a gregarious man with bushy eyebrows, and Johnson, a wiry cross-country skier with a quiet voice, stepped confidently onto the ice. Continue reading

About The Food Waste Known As Diversion

Photograph by Grant Cornett

As still life compositions go, the photo to the right is classic in style and weirdly perfect for the essay it accompanies.  Helen Rosner frequently writes about food, including a review that convinced me to watch The Bear, and this is the best of her work that I have read:

The Promises of the Home “Composting” Machine

A new crop of techy appliances wants to help fight the food-waste crisis. How virtuous should we feel using them?

In the course of a week, my kitchen produces a shocking quantity of what we might think of as edible trash: apple peels, garlic nubs, a bit of gristle from a steak, Dorito dust, tea bags, the iron-hard heel of a loaf of bread that’s been sitting out overnight. The meat scraps I feed to my dog. The bones and vegetable scraps I store in the freezer in gallon-size ziplock bags and periodically bung into a pot and simmer into stock. But even then, once the stock is made, and the chicken bones or onion ends are leached of all their flavor, I’m left again with edible trash—only now it’s soggy. And then there are the times when the strawberries aren’t sealed right and become fuzzy with mold, or the delivery sandwich turns out to be gross, or the refrigerator’s compressor breaks and somehow we don’t notice, or I’m just exhausted and overwhelmed and want everything gone. Continue reading

Another Year, Another Invasive Python Initiative: Inversa Leathers

The invasive Burmese python has become the apex predator in the Florida Everglades, displacing the native American alligator. Photograph: Dorling Kindersley ltd/Alamy

We have been paying attention to this problem for more than a decade, and seen ideas like this before; until the problem is mitigated, we will continue sharing:

Could handbags be the haute couture solution to Florida’s python problem?

Invasive Burmese pythons are devastating wildlife but one firm believes turning snake leather into accessories could be a win-win

The fight to eradicate Burmese pythons from the Florida Everglades has intertwined with New York’s haute fashion scene in a project launched by a group of environmental activists who have already experienced success working with the skins of other invasive species. Continue reading

Butterfly Origin Story

A blue morpho butterfly sits on a leaf. A new study finds that butterflies likely originated somewhere in western North America or Central America around 100 million years ago. Kristen Grace/Florida Museum

It is almost a certainty that if you visit Costa Rica you will see the blue morpho fluttering by somewhere. And you may be in the location of its origin story:

Butterflies originated in North America after splitting from moths, new study suggests

Akito Kawahara remembers being eight years old when he went on a special tour of the insect collection at the American Museum of Natural History in New York City. He marveled at the vast array of pinned bugs before stopping in front of a large picture of the butterfly family tree.

A red lacewing butterfly perches on a plant. Rachit Pratap Singh

A number of spots on that tree, he saw, were curiously blank.

“Just looking at it, realizing that scientists at these museums still don’t know these basic things — I’ll never forget that day,” Kawahara says.

That moment sparked a lifelong passion in Kawahara to fill in those blanks and determine where these charismatic insects originated. Now, he’s gotten a little closer to an answer. His latest research shows that butterflies probably first flapped their wings in present-day western North America or Central America. Continue reading