Tag Archives: eco-friendly

How the universe began and how humanity will drown: A scientist’s to-do list

How the universe began and how humanity will drown: A scientist’s to-do list

By on 11 Aug 2015commentsShare

No pressure, scientists, but you just got your marching orders for the next 10 years, and, well, you’ve got your work cut out for you:

  1. Understand the origins of the universe (cosmic inflation, the quantum nature of gravity, the nature of everything, etc.)
  2. Figure out how life evolved in the Antarctic over the last 30 million years (seriously, who wants to live there?)
  3. Get a handle on what’s happening with those melting ice sheets that we keep hearing so much about (i.e. just tell us how this is all gonna end, so we can start writing apology letters to the future)

The National Academies of Sciences, Engineering, and Medicine just released this little ditty of a to-do list for scientists working on NSF-funded Antarctic and Southern Ocean research. Two of the three initiatives are directly related to climate change and how we and other living things are going to have to adapt to it. It’s certainly reassuring that the powers that be consider these issues as important as answering the age-old questions of where everything came from and what it all means, but at the same time, it pretty much just confirms that we’re totally screwed, right?

Here’s an overview of the priorities from a press release about the report:

The report proposes a major new effort called the Changing Antarctic Ice Sheets Initiative to investigate how much and how fast melting ice sheets will contribute to sea-level rise.  The initiative’s components include a multidisciplinary campaign to study the complex interactions among ice, ocean, atmosphere, and climate in key zones of the West Antarctic Ice Sheet, and a new generation of ice core and marine sediment core studies to better understand past episodes of rapid ice sheet collapse. …

A second strategic research priority is to understand from a genetic standpoint how life adapts to the extreme Antarctic environment.  For more than 30 million years, isolated Antarctic ecosystems have evolved to adapt to freezing conditions and dramatic environmental changes, and now must adapt to contemporary pressures such as climate change, ocean acidification, invasive species, and commercial fishing.  Sequencing the genomes and transcriptomes of critical populations, ranging from microbes to marine mammals, would reveal the magnitude of their genetic diversity and capacity to adapt to change.

In addition to being a vast natural laboratory, Antarctica has a dry, stable atmosphere that offers an ideal setting for astrophysical observations.  The report recommends a next-generation experimental program to observe cosmic microwave background radiation, the “fossil light” from the early universe.  This would include an installation of a new set of telescopes at the South Pole, as part of a larger global array, which will allow highly sensitive measurements that could detect signatures of gravitational waves.  Such observations might provide evidence that could confirm the theory of cosmic inflation and the quantum nature of gravity, as well as address other enduring questions about the nature of the universe.

Got that, scientists? We’re looking for how the universe started, how life evolved in some of the most extreme environments on Earth, and how the oceans are ultimately going to engulf us all in a merciless end. Talk to you in 10 years.

Source:
Melting Ice Sheets, Genomic Studies, and Deep-Space Observations Are Top Priorities for Next Decade of Antarctic and Southern Ocean Research

, National Academies of Sciences, Engineering, and Medicine.

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How the universe began and how humanity will drown: A scientist’s to-do list

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Scientists Just Came Up With the Craziest Way to Protect Your Kale

Mother Jones

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A version of this story was originally published on Gastropod.

Farmers searching for an eco-friendly way to combat pests in their fields might someday have a surprising new weapon: speakers. It may seem crazy, but scientists hope that sound systems bumping just the right noises can prime plants to pump up the levels of their own, innate chemical protection.

That’s just one of the ways that researchers are eavesdropping on the sounds of the farm in order to improve agriculture, as we report on this episode of Gastropod, a podcast about the science and history of food. From James Bond-inspired spy devices that can capture the wing-beats of hungry insects, to microphone-equipped drones patrolling henhouses in search of sick chickens, we discover that sound has the potential to help reduce pesticide use, make our vegetables even more nutritious, and even improve animal welfare.

Mozart for Plants
The idea that plants can hear and respond to music has a long and checkered history. Charles Darwin made his son, Francis, play the bassoon in front of an herb while he watched to see whether its leaves twitched (the plant was unmoved); Barbra Streisand caused a veritable explosion of color when singing to her tulips in the musical On a Clear Day You Can See Forever; and, as recently as the 1970s, UNC Greensboro physicist Dr. Gaylord Hageseth claimed that his experimental “pink” noise could make turnips sprout much faster.

While the claims that playing Mozart in a cornfield will lead to a dramatic increase in yield have proved impossible to replicate, scientists are sure that plants do respond to sounds in their environment, with small changes in gene expression, for example, or slightly different germination rates. But, as Heidi Appel, senior research scientist at the University of Missouri, told Gastropod, “We never understood why plants would have that ability.”

Pest Sounds
Intrigued, Appel teamed up with her colleague Reginald Cocroft, a behavioral ecologist, to focus on a sound that, they thought, might be particularly useful to plants: the vibrations caused by insect feeding. “These are one of the earliest and most quickly transmitted signals plants have that they’re being attacked,” said Appel. And while plants can’t hear insects the same way we do—they don’t have ears, after all—they can sense vibrations, much like club-goers feel the thump of bass or worshippers hear an organ reverberate through a church. “In that case, your body is a substrate,” picking up the sound vibrations, Appel explained. “That’s much more like what plants experience.”

To test their theory, Appel and Cocroft used lasers to measure the minute leaf tremors, about 1/10,000th of an inch, that caterpillars make when they munch on Arabidopsis (rockcress), a spindly relative of cabbage and broccoli that is commonly used in plant research. Next, they played those sounds back to one set of plants, and left the control group in peace. Finally, they let the caterpillars loose on both plant populations. Astonishingly, they found that the plants that had undergone audio training actually responded to the attack by producing much higher levels of mustard oil, their innate pesticide—which made them much less appetizing to the hungry caterpillars.

“That was very exciting and we were very happy,” Appel said. “But, at one level, we thought, ‘So what?’ Plants might respond to everything.” So they tested the plants again, this time using recordings of wind and treehoppers, a bug that looks like a thorn and sings with a high-pitched whine but does not like to dine on Arabidopsis. In response to these vibrations, however, the plants produced no increase in mustard oil. With this elegant experiment, Appel and Cocroft had solved a basic question of plant evolutionary biology: Plants evolved the ability to respond to sound vibrations in order to recognize and ward off attackers.

Musical Mustard
In doing so, Appel and Cocroft may have also hit upon a potent environmentally-friendly pesticide. Perhaps a field full of speakers blasting the sounds of crunching caterpillars might help terrified crops prime themselves to ward off a real attack, removing the need to apply chemical pesticides. This summer, Appel and Cocroft are testing commercially useful Arabidopsis relatives in the brassica family, such as kale and Brussels sprouts, to see if they demonstrate the same response.

But, as Appel pointed out to Gastropod, the use of sound might have an even more direct impact on our health. While plants evolved these chemical responses to deter pests, for humans, they often provide both flavor and health benefits. In fact, the sulfurous compounds produced by Arabidopsis and its fellow brassicas form the basis of America’s favorite hot dog condiment, mustard. And those same chemicals are actively being studied by cancer researchers for their potent health benefits. Maybe, by playing predator sounds in the field, farmers could actually grow more healthful plants.

Appel is testing this hypothesis with an African plant that is currently harvested for medicinal use, to determine whether caterpillar feeding increases the plants’ production of beneficial chemicals. If so, she can then test whether playing predator sounds has the same effect. “When we look at a plant as a source of flavor or medicine, what we are looking at is the product of millions of years of evolution of the plant interacting with its own pests—and those are largely insects,” said Appel. Insects that, it turns out, plants can hear.

This is the first of a two-part series exploring the relationship between sound and food. Listen to this episode of Gastropod for much more on the experimental history and emerging science of acoustic agriculture, from the perfect bovine playlist to the lost rhythms of Southern farming. And, if you like what you hear, subscribe to make sure you don’t miss out on hearing the difference between hot and cold tea, learning how the sound of tiny bubbles in soda changes its taste, and discovering the science behind pairing wine with music.

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Scientists Just Came Up With the Craziest Way to Protect Your Kale

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Canada to say ‘no thanks’ to plastic microbeads in personal care products

Who ever thought this was a good idea? Originally posted here: Canada to say ‘no thanks’ to plastic microbeads in personal care products ; ; ;

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Canada to say ‘no thanks’ to plastic microbeads in personal care products

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Awful wine proves Scotland should stick to Scotch

Grapes of Wrath

Awful wine proves Scotland should stick to Scotch

By on 15 Jul 2015commentsShare

In what should come as a surprise to nobody, the first bottles of Scottish wine have been hailed as fundamentally “undrinkable” by sommeliers.

Hopeful winemakers in Scotland have cited climate change as the impetus for their vineyards: Warming temperatures should mean more favorable grape conditions. Unfortunately, Scotland is not yet Italy, and the climate necessary for a successful vintage is not expected to descend upon the Scots for a number of decades.

The Mirror reports:

Christopher Trotter, from Aberdeen, hoped global warming would make his part of Fife hot enough to grow fine wine.

However, he was disappointed to hear his first batch of “Chateau Largo”, grown on the slopes of the Upper Largo valley, was not the fine vintage he had hoped for.

But he said he is convinced a few more years of soaring summer temperatures will enable him to produce something better than cheap plonk.

The grapes, “harvested from a sloping vineyard in Upper Largo on the south coast of Fife, just across the Firth of Forth from Edinburgh,” — ostensibly in Scotland and not Middle Earth — are mostly a cheeky variant called Solaris. Solaris, a white grape, is a hybrid of Merzling and the exoplanet-sounding Gm 6493. Given its ancestry, the grape should grow best in a temperate, warm climate like that of Alsace, France.

What will it take for the south coast of Fife to look like Alsace? A back of the wine coaster calculation taking the difference in average monthly temperature between Edinburgh and Alsace gives us a required yearly temperature hike of about 5.3°F. Recall that we’re trying to avert a 3.6°F (2°C) increase in global average land temperatures in order for everything to not spontaneously combust. But hey, nobody has praised the Scots for their optimism.

Of course, temperature isn’t everything in viticulture. Other relevant variables include soil composition, surrounding geography, and precipitation levels. Trotter, however, will continue to give it a shot. “We have proved we can grow grapes in the Scottish climate,” he said. Which is a start. But you don’t get points for procuring a bag of microwave popcorn — you have to pop it, too.

Until the greenhouse effect remedies that Chateau Largo, stick to the Glenkinchie, mate.

Source:
Scotland’s first homegrown wine declared ‘undrinkable’ by experts

, The Daily Mirror.

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Awful wine proves Scotland should stick to Scotch

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In California, people of color are dangerously close to oil train disasters

In California, people of color are dangerously close to oil train disasters

By on 1 Jul 2015commentsShare

There’s been a lot of consternation over oil trains recently. In the U.S. and Canada, almost two dozen crude-carrying trains have derailed in the past two years — exploding into giant balls of fire in some cases, and in others, killing people. And while the Obama administration released new oil train safety rules on May 1, they remained so lax and full of holes that some environmental groups immediately sued.

In California, as more and more crude arrives by rail, more people will find themselves within the “blast zone,” a one-mile evacuation area recommended by the U.S. Department of Transportation. As a report released Tuesday finds, California’s “blast zone” lands squarely on the shoulders of people of color.

ForestEthics and Communities for a Better Environment

The report, co-produced by Communities for a Better Environment and ForestEthics, shows that 80 percent of California residents within the blast zone live in “environmental justice communities.” The report defines environmental justice communities as those with high numbers of low-income, racial minority, or non-English speaking households (check out the report for the full specs).

In Los Angeles, 75 percent of residents living entirely within the blast zone are Hispanic or Latino (compared to 44 percent outside of the blast zone). Just 10 percent are white. In Oakland, 91 percent of residents in the blast zone are people of color. In Fremont and San Bernardino, a whopping 100 percent of blast zone neighborhoods qualify as environmental justice communities. Yikes.

ForestEthics and Communities for a Better Environment

This is the first report of its kind to so explicitly link race to the oil train debate. It also makes lofty recommendations that any oil train activist can get behind, such as an immediate moratorium on all oil-by-rail imports in California and “immediate action to root out systemic and institutional environmental discrimination and racism.” Hear, hear.

Source:
Crude Injustice on Rails in California

, ForestEthics.

California oil train risks worse in minority areas: report

, Raw Story.

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Police Say the Biggest Pot Raid in Years Wasn’t Really About Pot

Mother Jones

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There were helicopters, SWAT teams, and nearly 100,000 marijuana plants yanked out of the ground, but last week’s massive raid in Northern California’s rugged Emerald Triangle was not your father’s pot bust. Carried out by county law enforcement with no help from the DEA, it targeted private landowners—and not just because they were growing pot, police say, but because they were illegally sucking some 500,000 gallons of water a day from a section of the nearby Eel river that is now stagnant and moss-ridden.

In short, the cops say this was as much a water raid as a pot raid. One certainly could imagine, in this era of evolving attitudes toward marijuana, a shift in enforcement focus toward environmentally problematic grows on steep wooded hillsides or above sensitive salmon streams in an increasingly dry climate. These are not isolated issues: Among the growers targeted in last week’s raid, according to the Lost Coast Outpost, were members of California Cannabis Voice Humboldt, a group working to bring growers into compliance with state and federal environmental laws.

A leading advocate for Northern California pot growers scoffs at the notion that the raid was environmentally motivated. “This isn’t about the environment; this is about business as usual,” says Hezekiah Allen, director of the Emerald Growers Association. Allen challenges the authorities’ water use estimates, pointing out that the extensive reservoirs discovered at the grow sites could be eco-friendly ways of storing winter runoff for use during the summer growing season. He also questions the value of criminal raids at a time when the California Water Board is drafting a system of water-use permits and civil fines for pot farmers.

“There are 2,200 un-permitted water diversions for wine grapes in the Central Valley,” he points out, citing a state report, “so I am curious when we are going to see the sheriff show up and chop down un-permitted vines. If we are agnostic about what the crop is, the same crime should lead to the same activity. That is all we are asking, just to be treated like any other crop.”

Yet if state and local officials are to be believed (they did not respond to requests for comment), the raid suggests that even the most eco-conscious Emerald Triangle growers could face a reckoning once California (probably inevitably) legalizes cannabis and starts subjecting pot farms to agricultural inspections. Even with the the best land-use practices, many Emerald Triangle farms likely draw too much water from sensitive mountain streams and headwaters. Growers may find that it’s cheaper and more eco-friendly to relocate to the Central Valley.

Or why stop there? Cannabis, indigenous to moist river valleys in Central and South Asia, uses about six gallons per day per plant. That’s more than many other thirsty crops, such as cotton, which uses 10 gallons per plant for the entire growing season. Which suggests that cannabis should be grown somewhere wet—somewhere other than California.

Allen doesn’t see that happening. He argues that cannabis farming in the Emerald Triangle can be sustainable when farmers cultivate drought-tolerant Kush varieties from Afghanistan, and irrigate entirely with rainwater stored in tanks onsite. After all, no crop offers a greater financial yield per gallon of water. “If we step back and take a look at this industry and the jobs that it creates, California cannot afford not to grow cannabis in the 21st century,” he says. “It’s one of the most adaptable, resource-efficient ways of generating revenue on small farms.”

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Police Say the Biggest Pot Raid in Years Wasn’t Really About Pot

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Why I Made the Switch to Cloth Menstrual Pads, And You Should Too

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Why I Made the Switch to Cloth Menstrual Pads, And You Should Too

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DDT exposure quadruples breast cancer risk

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How to Raise the Perfect Dog – Cesar Millan & Melissa Jo Peltier

From the bestselling author and star of National Geographic Channel’s Dog Whisperer , the only resource you’ll need for raising a happy, healthy dog. For the millions of people every year who consider bringing a puppy into their lives–as well as those who have already brought a dog home–Cesar Millan, the preeminent dog behavior expert, […]

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The Life-Changing Magic of Tidying Up – Marie Kondo

This New York Times best-selling guide to decluttering your home from Japanese cleaning consultant Marie Kondo takes readers step-by-step through her revolutionary KonMari Method for simplifying, organizing, and storing. Despite constant efforts to declutter your home, do papers still accumulate like snowdrifts and clothes pile up like a tangled mess of noodles? Japanese cleaning consultant […]

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White Dwarf Issue 73: 20th June 2015 – White Dwarf

About the series  White Dwarf is Games Workshop’s weekly magazine, and boasts a wealth of great content, from the latest new releases to modelling and painting guides, gaming features, new rules and much more besides.

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White Dwarf Issue 72: 13th June 2015 – White Dwarf

The Librarius has a new tome – White Dwarf 72! Ushered in by the brand new Space Marine Librarian in Terminator armour, this issue brings you a look at the psychic might of the Adeptus Astartes in our Psychic Warfare feature (not to mention rules for the new Librarius Conclave!), a quite incredible look at […]

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Codex: Dark Angels (Enhanced Edition) – Games Workshop

The First Legion of old, the Dark Angels have fought in the Emperor’s name for ten thousand years. Yet within the shrouded ranks of the Chapter there lurks an ancient secret, one so terrible that should it ever be revealed it would mean damnation for the Chapter.   Codex: Dark Angels is your comprehensive guide […]

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The Life-Changing Magic of Tidying Up by Marie Kondo – A 15-minute Summary & Analysis – Instaread

PLEASE NOTE: This is a  summary and analysis  of the book and NOT the original book.  The Life-Changing Magic of Tidying Up by Marie Kondo – A 15-minute Summary & Analysis   Inside this Instaread: Summary of entire book, Introduction to the important people in the book, Key Takeaways and Analysis of the Key Takeaways. […]

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Codex: Space Marines (Enhanced Edition) – Games Workshop

The Space Marines are the Angels of Death, humanity’s finest warriors. Clad in the greatest armour and armed with awesomely destructive weapons, they defend the Imperium of Mankind from the alien, the traitor and the daemon. Codex: Space Marines is the most comprehensive guide ever to these superlative warriors. It contains all the rules and […]

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The Billionaire’s Vinegar – Benjamin Wallace

“Part detective story, part wine history, this is one juicy tale, even for those with no interest in the fruit of the vine. . . . As delicious as a true vintage Lafite.” —BusinessWeek The Billionaire’s Vinegar , now a New York Times bestseller , tells the true story of a 1787 Château Lafite Bordeaux—supposedly […]

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Sons of Ultramar: Ultramarines Painting Guide – Games Workshop

Paragons of the Codex Astartes, the Ultramarines stand tall amongst the defenders of the Imperium. Skilled in war and veterans of countless battles, they have fought to preserve the Emperor’s domain for more than ten thousand years. The Ultramarines fashion their strike forces to meet the needs of war – fielding anything from the massed […]

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White Dwarf Issue 71: 06th June 2015 – White Dwarf

A devastatingly good new issue of White Dwarf blasts in with the Space Marine Devastators! The heavy weapons specialists of the Adeptus Astartes receive this stunning new kit, and we’ve got a first look and stage-by-stage painting guide (not to mention a few surprising tidbits in The Week in White Dwarf). Our special Insignium Astartes […]

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DDT exposure quadruples breast cancer risk

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The Best Earth-Friendly Beauty Products

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The Best Earth-Friendly Beauty Products

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10 Easy Ways to Make Your Wedding More Eco-Friendly

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10 Easy Ways to Make Your Wedding More Eco-Friendly

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