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In Egypt"s Red Sea, corals fade as oceans warm

Standing on a boat bobbing gently in the Red Sea, Egyptian diving instructor Mohamed Abdelaziz looks on as tourists snorkel amid the brilliantly coloured corals, a natural wonder now under threat from climate change......»»

Category: topSource:  physorgOct 7th, 2021

The heat is on: What we know about why ocean temperatures keep smashing records

Over the last year, our oceans have been hotter than any time ever recorded. Our instrumental record covers the last 150 years. But based on proxy observations, we can say our oceans are now hotter than well before the rise of human civilization, ver.....»»

Category: topSource:  physorgRelated NewsApr 11th, 2024

Ocean currents threaten to collapse Antarctic ice shelves, study finds

A new study published in Nature Communications has revealed that the interplay between meandering ocean currents and the ocean floor induces upwelling velocity, transporting warm water to shallower depths. This mechanism contributes substantially to.....»»

Category: topSource:  physorgRelated NewsApr 11th, 2024

Scientists are grasping at straws while trying to protect infant corals from hungry fish

South Florida researchers trying to prevent predatory fish from devouring laboratory-grown coral are grasping at biodegradable straws in an effort to restore what some call the rainforest of the sea......»»

Category: topSource:  physorgRelated NewsApr 11th, 2024

Panama plans dry alternative to drought-hit canal

Panama on Wednesday unveiled plans for a "dry canal" to move cargo between the Pacific and Atlantic oceans due to low water levels in its century-old maritime channel......»»

Category: topSource:  physorgRelated NewsApr 11th, 2024

Using CO₂ and biomass, researchers find path to more environmentally friendly recyclable plastics

Modern life relies on plastic. This lightweight, adaptable product is a cornerstone of packaging, medical equipment, the aerospace and automotive industries and more. But plastic waste remains a problem as it degrades in landfills and pollutes oceans.....»»

Category: topSource:  physorgRelated NewsApr 10th, 2024

Study finds microbes hitchhike on microplastics to reach the sea

The oceans contain large amounts of microplastics, particles that are less than 5 mm in size. In parts of the Baltic Sea, the concentration of microplastics can be as much as 3,300 particles per cubic meter. The microplastics end up in aquatic enviro.....»»

Category: topSource:  physorgRelated NewsApr 9th, 2024

Heat from El Niño can warm oceans off West Antarctica—and melt floating ice shelves from below

As snow falls on Antarctica, layers build up and turn to ice. Over time, this compressed snow has become a continent-sized glacier, or ice sheet. It's enormous—almost double the size of Australia and far larger than the continental United States......»»

Category: topSource:  physorgRelated NewsApr 9th, 2024

Rising sea surface temperatures have led to profound changes in macroalgae communities over the last 40 years: Study

A study conducted off the coast of Biscay shows that cold-affinity algae species are gradually being replaced by warm-affinity ones......»»

Category: topSource:  physorgRelated NewsApr 9th, 2024

Broken record: March is 10th straight month to be hottest on record, scientists say

For the 10th consecutive month, Earth in March set a new monthly record for global heat—with both air temperatures and the world's oceans hitting an all-time high for the month, the European Union climate agency Copernicus said......»»

Category: topSource:  physorgRelated NewsApr 9th, 2024

New young and warm Jupiter-like exoplanet detected

An international team of astronomers reports the detection of a new young and warm exoplanet orbiting a distant star. The newfound alien world, designated TOI-4862 b (or NGTS-30 b), is similar in size and mass to Jupiter. The finding was published Ap.....»»

Category: topSource:  physorgRelated NewsApr 9th, 2024

Tiny cracks in rocks may have concentrated chemicals needed for life

The gentle flow of warm fluids could have given pre-life chemistry a boost. Enlarge / Active geology could have helped purify key chemicals needed for life. (credit: Christof B. Mast) In some ways, the origin of life is.....»»

Category: topSource:  arstechnicaRelated NewsApr 5th, 2024

Why there may be oceans inside dwarf planets beyond Pluto—and what this means for the likely abundance of life

Earth was long thought to be the only planet in our solar system with an ocean, but it is beginning to look as though there are underground oceans inside even the most surprising icy bodies......»»

Category: topSource:  theglobeandmailRelated NewsApr 4th, 2024

Unlocking Arctic mysteries: How melting ice shapes our climate

Recent decades have witnessed rapid changes in the Arctic climate, with warming rates surpassing global averages by three to four times. This puzzling "Warm Arctic, Cold Eurasia" climate phenomenon has profound implications, sparking scientific curio.....»»

Category: topSource:  physorgRelated NewsApr 4th, 2024

Tropical cyclones may be an unlikely ally in the battle against ocean hypoxia

Tropical cyclones, also known as hurricanes and typhoons, are meteorological phenomena that occur over tropical and subtropical oceans experiencing low atmospheric pressure, where water vapor from the warm oceans condenses to produce spiraling cloud.....»»

Category: topSource:  physorgRelated NewsApr 1st, 2024

Atmospheric scientists link Arctic sea loss ice to strong El Niño events

El Niño, a climate pattern where warm waters in the eastern Pacific fuel hotter weather, is finally beginning to wane after bringing a long stretch of record heat and heavy precipitation across the world since last summer......»»

Category: topSource:  physorgRelated NewsApr 1st, 2024

As climate change and pollution imperil coral reefs, scientists are deep-freezing corals to repopulate future oceans

Coral reefs are some of the oldest, most diverse ecosystems on Earth, and among the most valuable. They nurture 25% of all ocean life, protect coasts from storms and add billions of dollars yearly to the global economy through their influences on fis.....»»

Category: topSource:  physorgRelated NewsMar 31st, 2024

New electrochemical technology could de-acidify the oceans—and even remove carbon dioxide in the process

In the effort to combat the catastrophic impacts of global warming, we must accelerate carbon emissions reduction efforts and rapidly scale strategies to remove carbon dioxide (CO2) from the atmosphere and the oceans. The technologies for reducing ou.....»»

Category: topSource:  physorgRelated NewsMar 30th, 2024

Invasive Pacific oyster proliferation during Blob marine heat wave portends similar events as seas warm

Pacific oysters, non-native to the United States but farmed in the U.S. for aquaculture, are an invasive species. During the Pacific Blob heat wave in the mid-2010s, as sea temperatures in Washington state's Puget Sound rose to 3°C above average, th.....»»

Category: topSource:  pcmagRelated NewsMar 26th, 2024

Additional nutrients intensify dead zones in oceans, researchers find

As more and more nutrients from land and air enter the world's oceans, the dead zones without oxygen in the water will increase in size and intensity. That is the warning that Ph.D. student Zoë van Kemenade, an organic geochemist at NIOZ, draws from.....»»

Category: topSource:  physorgRelated NewsMar 26th, 2024

Apple Watch SE 2 spring deals hit $189, official leather MagSafe Wallet $25, M3 MacBooks, more

Monday’s best deals have a fitting spring discount as a headliner, dropping Apple Watch SE 2 styles down to $189 just in time for warm weather workouts. You can also score a rare deal on Apple’s original Leather MagSafe Wallet at $25, while 14-in.....»»

Category: topSource:  informationweekRelated NewsMar 25th, 2024