The Hunga Tonga eruption sent at least 330,000 metric tons of methane into the stratosphere, and formaldehyde seen from orbit shows its salty ash cloud then broke down about 900 metric tons a day
Satellite readings show that the Hunga Tonga eruption's plume broke down about 900 metric tons (990 short tons) of methane a day. The reaction ran high in the stratosphere over the South Pacific in January 2022. A team…
Dust buried more than 2,300 feet down in an Antarctic ice core grew new iron minerals inside the ice, and its researchers say the same chemistry could explain why Martian dust is red and magnetic
Dust buried more than 2,300 feet (700 meters) deep in an Antarctic ice core has grown new iron minerals inside the ice.…
Slovak cavers say they mapped 10 miles of the quartzite cave Ojos de Cristal on Venezuela’s Mount Roraima, and up to 84 percent of its deep bacteria belonged to a class never before identified in a cave
Slovak cavers say the quartzite cave Ojos de Cristal, under the summit of Venezuela's Mount Roraima, runs 16.14 kilometers (10 miles), a…
In northwestern Madagascar’s Sambirano River region, a DNA study of 70 samples found a baobab species demoted to a variety in 1952 is distinct after all, and its authors say it would qualify as endangered
Madagascar has one more baobab species than botanists thought. A study published July 12, 2026, in the journal Taxon brings back Adansonia…
Bill and Shane Kellogg spent a decade opening their 5,000-acre Ohio farm to water quality research in the Lake Erie basin, and now their Hardin County family has won a 2026 Conservation Farm Family Award
The Kellogg family of Hardin County, Ohio, has won a 2026 Conservation Farm Family Award from the Ohio Department of Agriculture. Bill…
Great Zimbabwe’s residents turned old clay quarries below the Hill Complex into reservoirs that could hold at least 4.9 million gallons of water, and nearby clans still manage springs around the old stone city
Great Zimbabwe's residents stored rain and groundwater in big hollows called dhaka pits. Those reservoirs could have held at least 4.9 million…
53 fish species turned up around retired army tanks and train cars that Thailand sank off Narathiwat in 2010, and a diver found the biggest schools only around the tanks
In 2010, Thai authorities sank 25 retired army tanks off Narathiwat province, near the Malaysian border, as new fishing grounds. A diver…
Ten years after New South Wales teamed up with conservationists, 13 locally extinct mammals are back in three fenced reserves, and some gone over a century now breed safe from feral cats and foxes
New South Wales has reintroduced 13 locally extinct mammals to three fenced conservation sites, the state government announced on June 29, 2026.…
Two University of Alberta physicists traced millisecond swings in Earth’s length of day to the inner core’s gravitational tug on the mantle, and their model suggests the solid core deforms in about 10 years
A day on Earth isn't exactly 24 hours. Physicists at the University of Alberta now say the solid inner core's gravity explains…
A $10 million NOAA project is laying stone for more than 70 acres of Chesapeake Bay oyster reef habitat in Maryland’s Hooper Strait, and partners aim to restore or conserve 2,000 more acres by 2040
A $10 million NOAA grant is paying for more than 70 acres (28 hectares) of new Chesapeake Bay oyster reef at Maryland's…
Satellites tracked a loss of about 4.6 trillion gallons of groundwater in the snow-fed Upper Colorado River Basin during the 2020-2022 drought, and that is nearly double what the drier Lower Basin lost
The snow-fed Upper Colorado River Basin lost about 4.6 trillion gallons (17.5 cubic kilometers) of groundwater during the 2020-2022 drought, nearly double…
A 38-year-old artist built an earthen house in Argentina’s Traslasierra Valley with about 12 car windshields given away in the town where she grew up, and from above its two hexagons form a heart
Mariana Di Pascuale, a 38-year-old painter and biodanza facilitator, built an earthen house in Los Hornillos, a village in Argentina's Traslasierra Valley,…
In Yunnan’s Yanjin, the so-called world’s narrowest city squeezes homes into a river valley that narrows to about 98 feet, and the famous 400,000 population figure actually covers the whole county, not the town
In the mountains of southwestern China, Yanjin squeezes homes and roads into a river valley that narrows to about 98 feet. Often…
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Sunken army tanks off Thailand now host 53 fish species12 hours ago
Length of day: Earth's inner core shifts it by milliseconds12 hours ago
Chesapeake oyster reef: NOAA lays stone for 70 acres in Hooper Strait12 hours ago
Quartzite cave under Mount Roraima runs 10 miles and hides bacteria new to caves12 hours ago
Artemis 3: NASA targets summer 2027, crewed Moon landing in 202813 hours ago
Antarctic ice core dust grew iron minerals 2,300 feet down, a clue to red Mars13 hours agoScience
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The Hunga Tonga eruption sent at least 330,000 metric tons of methane into the stratosphere, and formaldehyde seen from orbit shows its salty ash cloud then broke down about 900 metric tons a day
Satellite readings show that the Hunga Tonga eruption's plume broke down about 900 metric tons (990 short tons) of methane a day.…
A ritual bath preserved 13.8 feet from floor to ceiling stands in a monumental purification complex at the foot of Jerusalem’s Temple Mount, and archaeologists say pilgrims likely purified themselves there before entering the Temple
Five summers of digging by the Hebrew University of Jerusalem have exposed a monumental purification complex at the foot of the Temple…
Geologist Arthur Hickman spotted an 850-foot circle on Google Earth in 2007, and drilling 212 feet into what is now Hickman Crater turned up melted rock laced with nickel from an iron meteorite
Hickman Crater is a ring of rock about 850 feet (260 meters) wide in Western Australia's Pilbara region. Arthur Hickman, a geologist…
NASA is targeting summer 2027 for Artemis III, a 14-day test flight in low Earth orbit with two commercial landers, and Administrator Jared Isaacman expects astronauts to land on the Moon in 2028
NASA is targeting a summer 2027 launch for Artemis III, a crewed test flight that will stay in low Earth orbit. Administrator…
Dust buried more than 2,300 feet down in an Antarctic ice core grew new iron minerals inside the ice, and its researchers say the same chemistry could explain why Martian dust is red and magnetic
Dust buried more than 2,300 feet (700 meters) deep in an Antarctic ice core has grown new iron minerals inside the ice.…
Slovak cavers say they mapped 10 miles of the quartzite cave Ojos de Cristal on Venezuela’s Mount Roraima, and up to 84 percent of its deep bacteria belonged to a class never before identified in a cave
Slovak cavers say the quartzite cave Ojos de Cristal, under the summit of Venezuela's Mount Roraima, runs 16.14 kilometers (10 miles), a…
ECOticias.com · Latest from our Spanish edition
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Botellas de plástico: Coca-Cola, Nestlé y Danone cambiarán sus mensajes sobre reciclaje tras negociar con Bruselas
Tres grandes empresas como son Coca-Cola, Nestlé y Danone se han comprometido y cambiarán sus mensajes sobre el reciclaje de …
Segunda mano en España: el 88,4 % reutiliza productos y el mercado mueve 18.810 millones de euros
El mercado de segunda mano en España está en auge. El 88,4% de la población adquirió y/o vendió algún producto …
Incendio de Niebla: revocadas cinco monterías previstas en la zona afectada por el fuego
Ecologistas en Acción ha informado que, tras las reclamaciones de colectivos ecologistas y animalistas, la Junta de Andalucía retiró los …
Aceite de oliva virgen extra: COAG pide exigirlo también para cocinar en hospitales, residencias y escuelas infantiles
El aceite que se utiliza para cocinar también forma parte del debate sobre la alimentación en los hospitales, las residencias …
Onkalo logra la licencia: Finlandia camina para dar vida al primer almacén permanente de combustible nuclear gastado
Finlandia ha dado su respaldo a la puesta en marcha del almacenamiento de residuos nucleares en Onkalo de aquí al …
Orthetrum trinacria: detectan por primera vez en Cataluña esta libélula en expansión hacia el norte
Gracias al hallazgo en el delta del Ebro de la Orthetrum trinacria, ya son 72 las especies de libélulas que …
Environment
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In northwestern Madagascar’s Sambirano River region, a DNA study of 70 samples found a baobab species demoted to a variety in 1952 is distinct after all, and its authors say it would qualify as endangered
Madagascar has one more baobab species than botanists thought. A study published July 12, 2026, in the journal Taxon brings back Adansonia…
Ten years after New South Wales teamed up with conservationists, 13 locally extinct mammals are back in three fenced reserves, and some gone over a century now breed safe from feral cats and foxes
New South Wales has reintroduced 13 locally extinct mammals to three fenced conservation sites, the state government announced on June 29, 2026.…
A $10 million NOAA project is laying stone for more than 70 acres of Chesapeake Bay oyster reef habitat in Maryland’s Hooper Strait, and partners aim to restore or conserve 2,000 more acres by 2040
A $10 million NOAA grant is paying for more than 70 acres (28 hectares) of new Chesapeake Bay oyster reef at Maryland's…
Satellites tracked a loss of about 4.6 trillion gallons of groundwater in the snow-fed Upper Colorado River Basin during the 2020-2022 drought, and that is nearly double what the drier Lower Basin lost
The snow-fed Upper Colorado River Basin lost about 4.6 trillion gallons (17.5 cubic kilometers) of groundwater during the 2020-2022 drought, nearly double…
A 38-year-old artist built an earthen house in Argentina’s Traslasierra Valley with about 12 car windshields given away in the town where she grew up, and from above its two hexagons form a heart
Mariana Di Pascuale, a 38-year-old painter and biodanza facilitator, built an earthen house in Los Hornillos, a village in Argentina's Traslasierra Valley,…
In Slovakia’s Liptov and Lower Orava regions, brown bears damaged 130 hives in 37 raids between 2020 and 2024, and more than two-thirds of those raids hit beehives behind electric fences
Brown bears damaged 130 beehives in 37 raids in Slovakia's Liptov and Lower Orava regions between 2020 and 2024, according to a…
Energy
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A 60-hour pour of about 311,000 cubic feet of concrete started the second reactor at China’s Zhaoyuan nuclear plant, and each of six planned units will get a 666-foot cooling tower
China General Nuclear (CGN) began pouring concrete for Unit 2 at its Zhaoyuan nuclear plant on September 5, 2026. The pour in…
An estimated 4.2 million balcony solar systems are now plugged in at homes and apartments in Germany, and in Croatia the same small kit still needs a certified installer, design documents and paid metering
Germany now has an estimated 4.2 million balcony solar systems plugged in at homes and apartments, according to the country's Environment Agency…
At Germany’s Karlsruhe Institute of Technology, a prototype cooling system uses heat instead of an electric motor to stretch an ultrathin metal film, and it reached a 4°C temperature difference across the device
Researchers in Germany and Japan have demonstrated a cooling system in which heat supplies the force normally provided by an electric motor.…
In Corvallis, Oregon, chemists separated zirconium and hafnium in water with choline, a common food additive, reaching a separation factor of 33, and the solvent method used at two U.S. plants scores 6 to 7
Chemists at Oregon State University in Corvallis, Oregon, have patented a way to separate zirconium and hafnium in water, with no organic…
Princeton physicists reworked a 70-year-old fusion rule and calculated heating plasma first is the lowest-energy path to fusion ignition, while a trace of tungsten can roughly double the pressure
In 2015, Luis Delgado-Aparicio, a physicist at a U.S. Department of Energy fusion laboratory in New Jersey, won a five-year, $2.6 million…
When he was 15, he wanted to impress his mother with a kite, and that crazy idea ended up leading him to design a home turbine; what’s more, he has already sold his entire projected production for 2027
In a video KiteX posted in June 2026, founder Andreas Okholm stands in a field next to a slim mast held up…
Mobility
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Over the Atlantic in 2001, Air Transat Flight 236 lost power to both engines and glided about 75 miles for roughly 19 minutes, and all 306 people aboard survived a hard landing in the Azores
An airliner running out of fuel over the ocean sounds like a situation with no way out. Yet on August 24, 2001,…
New Mexico’s Sceye flew a solar-powered stratospheric airship about 18,600 miles to Japan and back in about a month and used it to beam calls and video to ordinary smartphones from more than 54,000 feet
On the morning of August 9, 2026, a silver stratospheric airship rose out of the New Mexico desert and set off across…
Cologne tested a curb charger that hides a 22-kilowatt EV socket inside a standard-size curbstone, logging 2,829 charging sessions with over 99 percent availability, and installation still cost about the same as a charging post
Four curb chargers on Klosterstrasse and Dürener Strasse in Cologne logged 2,829 validated charging sessions in 329 days and were available more…
The world’s largest construction vessel had to take on ballast water and sink lower to fit under the 213-foot clearance of Denmark’s Great Belt Bridge on its way to a Baltic wind farm
Pioneering Spirit, the world’s largest construction vessel, passed under Denmark’s Great Belt Bridge on Tuesday, September 29, on its way to install…
Maersk fueled the 9,016-TEU Tangier Maersk with 100 percent corn ethanol in America’s first ethanol bunkering of a deep-sea container ship, as a national lab says today’s methanol-ready fleet could burn 2 billion gallons yearly
Andrea Lazzaro, head of business development at the marine engine designer WinGD, told Ship & Bunker in an interview published in March…
The Agua Negra tunnel plan calls for a custom machine to bore twin 8.6-mile tubes under the Andes, but the $1.5 billion Argentina-Chile project has been stuck since the IDB approved it in 2017
By August 7, 2026, the Cristo Redentor pass between Mendoza and Santiago had been closed by snow for 24 days, with more…
hoyECO · Sustainable living, in Spanish
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La Biblioteca de la UC Santa Cruz publicó más de 3200 fotos de Dorothea Lange y Pirkle Jones del pueblo de Monticello, arrasado en 1956, y 70 años después el lago Berryessa lo sigue cubriendo
La Biblioteca de la Universidad de California en Santa Cruz ha abierto al público más de 3200 fotos del pueblo …
En 2023 la Universidad Rice sacó hasta el 68 % del hidrógeno de residuos plásticos en cuatro segundos, y tres años después el hidrógeno de bajas emisiones se queda en casi un millón de toneladas
Investigadores de la Universidad Rice, en Houston (Estados Unidos), presentaron en 2023 un método para sacar hidrógeno de residuos plásticos …
1 parte de ferrihidrita por cada 2 de basalto, en granos de menos de una milésima de milímetro, reproduce el color rojo de Marte y sugiere que se oxidó cuando tenía agua líquida
El color rojo de Marte se debe sobre todo a la ferrihidrita, un óxido de hierro que contiene agua. Así …
La terminal Este de Nador West Med recibió al portacontenedores MSC Nita en una escala de prueba y el puerto marroquí abrirá con capacidad para 5 millones de contenedores al año
La terminal Este de Nador West Med, el nuevo puerto marroquí de la bahía de Betoya, ya ha superado su …
Las ventanas solares transparentes ya generan electricidad en la sede de NEXT Energy en Santa Bárbara, y la empresa calcula que una fachada así cubriría hasta el 25 % del consumo de un edificio comercial
Las ventanas solares de NEXT Energy Technologies ya generan electricidad en la fachada de su sede de Santa Bárbara (California). …
Un tinte rojo echado en 2010 al río Misuri, en Montana, pasó 8,2 horas en el embalse de Toston y el USGS calculó con él cuánto duraría el paso de un vertido
Un equipo del Servicio Geológico de Estados Unidos (USGS) echó 68,4 litros de tinte rojo al río Misuri, en Montana, …
Technology
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In Yunnan’s Yanjin, the so-called world’s narrowest city squeezes homes into a river valley that narrows to about 98 feet, and the famous 400,000 population figure actually covers the whole county, not the town
In the mountains of southwestern China, Yanjin squeezes homes and roads into a river valley that narrows to about 98 feet. Often…
In Japan, researchers led by Tohoku University used an inexpensive blue pigment to turn carbon dioxide into methane with 79.5% Faradaic efficiency, and methane selectivity stayed above 60% for about 80 hours
An inexpensive blue pigment has helped researchers in Japan turn carbon dioxide into methane in a single electrochemical process. The laboratory advance…
A company won a mining license for a magnesium deposit it estimates at more than 50 million metric tons near Rășinari, in Romania’s Sibiu County, and the EU gets 97 percent of its magnesium from China
Order 529 of Sept. 3, 2026, gave Mineral Proiect Invest S.A. (MPI) mining concession license 29.694/2026 at Valea Dobra, a magnesium deposit…
At Japan’s car parts shipping sites, workers read about 10 barcodes per product until DENSO’s Masahiro Hara created the QR code in 1994, and it now tracks glass eels for an expected 10,000 traders a year
Masahiro Hara, a barcode engineer at DENSO, created the QR code in 1994 after watching workers at car parts shipping sites in…
Pegasus, a 16-foot-wide drone built by three Australian companies, flew for almost 2 hours over Queensland on a single lithium-sulfur battery pack, and its makers now expect missions of 5 to 8 hours
On its longest test flight, over Queensland in Australia, a drone called Pegasus ran on one lithium-sulfur battery pack for almost 2…
Louisiana’s Lake Peigneur emptied into a salt mine within hours in 1980 while a Texaco rig drilled on the lake, and about 50 miners escaped, but federal investigators never pinned down the exact cause
Leonce Viator Jr. had taken his nephew out to their favorite fishing hole on Lake Peigneur early on November 20, 1980. "I…
Economy
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Workers digging a kitchen foundation in Massachusetts found the Marblehead Hoard, 82 gold and silver coins from nine countries, and its top piece, a 1764 Mexican gold coin, was estimated at up to $10,000
Workers digging a new kitchen foundation in Marblehead, Massachusetts, uncovered the gold and silver coins now known as the Marblehead Hoard. Numismatic…
Two amateur archaeologists found 141 Roman gold coins in a field in Luxembourg, and beneath them, they also discovered a fortification that had been buried for more than 1,600 years
Two amateur archaeologists prospecting a plowed field near Holzthum, a village in northern Luxembourg, set off a find that ended with 141…
In 1988, a treasure hunter discovered a ship loaded with gold that had been sunk since 1857, but he ended up spending more than 11 years behind bars over 500 coins whose whereabouts remain a mystery
Finding a sunken fortune sounds like the end of a treasure hunt. For American engineer Tommy Thompson, it became the beginning of…
A miner pushing dirt with a bulldozer near Ruby, Alaska, in 1998 spotted something unusual, and it turned out to be the state’s largest gold nugget, a 294.1-troy-ounce mass that later sold for $750,000
In 1998, Barry Clay was pushing dirt with a bulldozer on a placer claim along Swift Creek, near the Yukon River village…
Someone laying a patio in northern Denmark dug up the country’s largest known Viking silver hoard, 18.5 kilograms of bracelets, bars and coins, and one bar is scratched with a runic word experts have never seen before
"It was only supposed to be a couple of hours of hard yard work," the finder said, translated from Danish. The job…
A Wyoming coal mine bought for $2 million in 2011 holds what Ramaco calls the largest unconventional rare earth deposit in the US, and a new engineering report has pushed first production back to 2031
Randall Atkins went to Wyoming looking for coal. In 2011 his company bought the defunct Brook Mine near Sheridan for $2 million,…
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Bill and Shane Kellogg spent a decade opening their 5,000-acre Ohio farm to water quality research in the Lake Erie basin, and now their Hardin County family has won a 2026 Conservation Farm Family Award
The Kellogg family of Hardin County, Ohio, has won a 2026 Conservation Farm Family Award from the Ohio Department of Agriculture. Bill…
At a fire lab at Brazil’s Unisinos University, Tetra Pak carton strips carried flames nearly 6 inches in 14 seconds, and the 17.6°F they took off a test roof’s surface shrank indoors
At a fire lab at Brazil's Unisinos University, strips of Tetra Pak carton, the material promoted online as a cheap way to…
Kelvin Doe built a battery, a generator and an FM radio station from Freetown’s trash and reached MIT at 15, and 14 years later he is building a free youth makerspace in Toronto
Kelvin Doe grew up in Freetown, Sierra Leone, and as a teenager he dug through the garbage for parts to build his…
Juan, 29, chose an olive farm near Tarragona, Spain, over a Barcelona apartment costing more than $1,100 a month, and now he sells organic olive oil and grows 80 percent of his vegetables
Juan keeps his organic olive oil in a little stone hut at the mouth of a tunnel in a Catalan hillside. "We…
A Burkina Faso farmer filled zaï pits with manure and grew a nearly 100-acre forest on abandoned land, and a study found termite tunnels made rain soak in 2 to 4 times faster
The sun was going down on another scorching day when journalist Mark Hertsgaard found Yacouba Sawadogo walking through his woods with a…
Naples Botanical Garden shows how an empty 2-liter soda bottle becomes a self-watering planter with a cotton wick, and a University of Kentucky extension guide says capillary action can lift water about 4 inches
"Have you ever wanted to grow herbs and vegetables, but you're worried about remembering to water them? There is a solution for…
