Libro de Visitas

Jamesliemy

25 Jun 2025 - 06:29 pm

A nuclear fusion power plant prototype is already being built outside Boston. How long until unlimited clean energy is real?
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In an unassuming industrial park 30 miles outside Boston, engineers are building a futuristic machine to replicate the energy of the stars. If all goes to plan, it could be the key to producing virtually unlimited, clean electricity in the United States in about a decade.

The donut-shaped machine Commonwealth Fusion Systems is assembling to generate this energy is simultaneously the hottest and coldest place in the entire solar system, according to the scientists who are building it.

It is inside that extreme environment in the so-called tokamak that they smash atoms together in 100-million-degree plasma. The nuclear fusion reaction is surrounded by a magnetic field more than 400,000 times more powerful than the Earth’s and chilled with cryogenic gases close to absolute zero.

The fusion reaction — forcing two atoms to merge — is what creates the energy of the sun. It is the exact opposite of what the world knows now as “nuclear power” — a fission reaction that splits atoms.

Nuclear fusion has far greater energy potential, with none of the safety concerns around radioactive waste.

SPARC is the tokamak Commonwealth says could forever change how the world gets its energy, generating 10 million times more than coal or natural gas while producing no planet-warming pollution. Fuel for fusion is abundant, derived from deuterium, found in seawater, and tritium extracted from lithium. And unlike nuclear fission, there is no atomic waste involved.

The biggest hurdle is building a machine powerful and precise enough to harness the molten, hard-to-tame plasma, while also overcoming the net-energy issue – getting more energy out than you put into it.
“Basically, what everybody expects is when we build the next machine, we expect it to be a net-energy machine,” said Andrew Holland, CEO of the Fusion Industry Association, a trade group representing fusion companies around the globe. “The question is, how fast can you build that machine?”

Commonwealth’s timeline is audacious: With over $2 billion raised in private capital, its goal is to build the world’s first fusion-fueled power plant by the early 2030s in Virginia.

“It’s like a race with the planet,” said Brandon Sorbom, Commonwealth’s chief science officer. Commonwealth is racing to find a solution for global warming, Sorbom said, but it’s also trying to keep up with new power-hungry technologies like artificial intelligence. “This factory here is a 24/7 factory,” he said. “We’re acutely aware of it every minute of every hour of every day.”

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25 Jun 2025 - 05:33 pm

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Derekproke

25 Jun 2025 - 03:55 pm

Trailer trucks queue to cross into the United States at the Otay Mesa Port of Entry, in Tijuana, Mexico, November 27, 2024. Jorge Duenes/Reuters
New York
CNN
—
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Since President Donald Trump won the election in November, businesses across the globe have been bracing for higher tariffs — a key Day One promise the president made.

But over a week into his presidency, Trump has yet to enact any new tariffs.
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That could change, come 11:59 p.m. ET on Saturday — the deadline Trump set for when he says he will slap 25% tariffs on all Mexican and Canadian goods and a 10% tariff on all Chinese goods.

The tariffs, he said, will be imposed as a way of punishing the three nations, which Trump claims are responsible for helping people enter the country illegally and supplying fentanyl consumed in the US.

Speaking to reporters from the Oval Office on Thursday, Trump said he meant business, especially with his tariff threats on Mexico and Canada. White House Press Secretary Karoline Leavitt also confirmed on Friday that Trump will levy the 10% tariff on China on Saturday.
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Should these threats be believed? Yes and no, said Trump’s former Commerce Secretary Wilbur Ross.
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The threat of blanket tariffs is likely being overstated, Ross said in an interview with CNN. “There probably will be exclusions, because there are some goods that just are not made here, will not be made here, and therefore, there’s no particular point putting tariffs on.”

Ross, who was one of a handful of initial cabinet members in Trump’s first administration who kept their position for the entire four-year term, said he advocated for such exclusions when he advised Trump on tariff policies.



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24 Jun 2025 - 05:10 pm

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24 Jun 2025 - 11:47 am

Tree-covered mountains rise behind a pile of trash, children run through the orange haze of a dust storm, and a billboard standing on parched earth indicates where the seashore used to be before desertification took hold. These striking images, exhibited as part of the Right Here, Right Now Global Climate Summit, show the devastating effects of climate change.
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The summit, held at the University of Oxford in the UK and supported by UN Human Rights (OHCHR), aims to reframe climate change as a human rights crisis and spotlight climate solutions. It works with everyone from policymakers to artists to get the message across.

“Photographers document the human rights impacts of climate change, helping to inform the public and hold governments and businesses accountable,” said Volker Turk, UN High Commissioner for the OHCHR, via email. “The Right Here, Right Now Global Climate Summit shows the power of collective action — uniting storytellers, scientists, indigenous leaders, and others to advance climate solutions rooted in human rights.”

Coinciding with World Environment Day on June 5, the exhibition — titled “Photography 4 Humanity: A Lens on Climate Justice” — features the work of 31 photographers from across the globe, all documenting the effects of global warming and environmental pollution on their own communities.

Climate change disproportionately affects vulnerable populations around the world. Despite emitting far fewer greenhouse gases, low-income nations are suffering the most from extreme weather events and have fewer resources to adapt or recover.
Photographs at the exhibition show the effects of desertification, flooding and plastic pollution. A black and white image shows the ruins of a house in West Bengal, India, sloping towards the Ganges River, with the owner sitting alongside. Riverbank erosion is degrading the environment and displacing communities in the area. Photographer Masood Sarwer said in a press release that the photo depicts the “slow violence” of climate change: “These are not sudden disasters, but slow-moving, relentless ones — shaping a new category of environmental refugees.”

Another photo, taken by Aung Chan Thar, shows children fishing for trash in Inle Lake, Myanmar. The lake was once a pristine natural wonder but now faces the growing threat of plastic pollution. “This image of children cleaning the water symbolizes the importance of education and collective action in preserving our environment for a sustainable future,” he said.

Organizers hope that the exhibition will help to humanize the climate crisis. “Our mission is to inspire new perspectives through photography,” said Pauline Benthede, global vice president of artistic direction and exhibitions at Fotografiska, the museum of photography, art and culture that is curating the exhibition at the summit. “It draws attention to the human rights issue at the heart of global warming, which affects both the world’s landscapes and the people that live within them.”

“Photography is the most influential and inclusive art form of our times and has the power to foster understanding and inspire action,” she added.

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24 Jun 2025 - 09:54 am

Tree-covered mountains rise behind a pile of trash, children run through the orange haze of a dust storm, and a billboard standing on parched earth indicates where the seashore used to be before desertification took hold. These striking images, exhibited as part of the Right Here, Right Now Global Climate Summit, show the devastating effects of climate change.
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The summit, held at the University of Oxford in the UK and supported by UN Human Rights (OHCHR), aims to reframe climate change as a human rights crisis and spotlight climate solutions. It works with everyone from policymakers to artists to get the message across.

“Photographers document the human rights impacts of climate change, helping to inform the public and hold governments and businesses accountable,” said Volker Turk, UN High Commissioner for the OHCHR, via email. “The Right Here, Right Now Global Climate Summit shows the power of collective action — uniting storytellers, scientists, indigenous leaders, and others to advance climate solutions rooted in human rights.”

Coinciding with World Environment Day on June 5, the exhibition — titled “Photography 4 Humanity: A Lens on Climate Justice” — features the work of 31 photographers from across the globe, all documenting the effects of global warming and environmental pollution on their own communities.

Climate change disproportionately affects vulnerable populations around the world. Despite emitting far fewer greenhouse gases, low-income nations are suffering the most from extreme weather events and have fewer resources to adapt or recover.
Photographs at the exhibition show the effects of desertification, flooding and plastic pollution. A black and white image shows the ruins of a house in West Bengal, India, sloping towards the Ganges River, with the owner sitting alongside. Riverbank erosion is degrading the environment and displacing communities in the area. Photographer Masood Sarwer said in a press release that the photo depicts the “slow violence” of climate change: “These are not sudden disasters, but slow-moving, relentless ones — shaping a new category of environmental refugees.”

Another photo, taken by Aung Chan Thar, shows children fishing for trash in Inle Lake, Myanmar. The lake was once a pristine natural wonder but now faces the growing threat of plastic pollution. “This image of children cleaning the water symbolizes the importance of education and collective action in preserving our environment for a sustainable future,” he said.

Organizers hope that the exhibition will help to humanize the climate crisis. “Our mission is to inspire new perspectives through photography,” said Pauline Benthede, global vice president of artistic direction and exhibitions at Fotografiska, the museum of photography, art and culture that is curating the exhibition at the summit. “It draws attention to the human rights issue at the heart of global warming, which affects both the world’s landscapes and the people that live within them.”

“Photography is the most influential and inclusive art form of our times and has the power to foster understanding and inspire action,” she added.