Libro de Visitas

Michaelhap

30 Jun 2025 - 05:54 am

The CO2 that is extracted from the water is run through a purification process that uses activated carbon in the form of charred coconut husks, and is then ready to be stored.
трип скан
In a scaled up system, it would be fed into geological CO2 storage. Before the water is released, its acidity is restored to normal levels, making it ready to absorb more carbon dioxide from the air.

“This discharged water that now has very low carbon concentrations needs to refill it, so it’s just trying to suck CO2 from anywhere, and it sucks it from the atmosphere,” says Halloran. “A simple analogy is that we’re squeezing out a sponge and putting it back.”

While more tests are needed to understand the full potential of the technology, Halloran admits that it doesn’t “blow direct air capture out the water in terms of the energy costs,” and there are other challenges such as having to remove impurities from the water before releasing it, as well as the potential impact on ecosystems. But, he adds, all carbon capture technologies incur high costs in building plants and infrastructure, and using seawater has one clear advantage: It has a much higher concentration of carbon than air does, “so you should be able to really reduce the capital costs involved in building the plants.”
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трип скан
Mitigating impacts
One major concern with any system that captures carbon from seawater is the impact of the discharged water on marine ecosystems. Guy Hooper, a PhD researcher at the University of Exeter, who’s working on this issue at the SeaCURE site, says that low-carbon seawater is released in such small quantities that it is unlikely to have any effect on the marine environment, because it dilutes extremely quickly.

However, that doesn’t mean that SeaCURE is automatically safe. “To understand how a scaled-up version of SeaCURE might affect the marine environment, we have been conducting experiments to measure how marine organisms respond to low-carbon seawater,” he adds. “Initial results suggest that some marine organisms, such as plankton and mussels, may be affected when exposed to low-carbon seawater.”

To mitigate potential impacts, the seawater can be “pre-diluted” before releasing it into the marine environment, but Hooper warns that a SeaCURE system should not be deployed near any sensitive marine habitats.

There is rising interest in carbon capture from seawater — also known as Direct Ocean Capture or DOC — and several startups are operating in the field. Among them is Captura, a spin off from the California Institute of Technology that is working on a pilot project in Hawaii, and Amsterdam-based Brineworks, which says that its method is more cost-effective than air carbon capture.
According to Stuart Haszeldine, a professor of Carbon Capture and Storage at the University of Edinburgh, who’s not involved with SeaCURE, although the initiative appears to be more energy efficient than current air capture pilot tests, a full-scale system will require a supply of renewable energy and permanent storage of CO2 by compressing it to become a liquid and then injecting it into porous rocks deep underground.

He says the next challenge is for SeaCURE to scale up and “to operate for longer to prove it can capture millions of tons of CO2 each year.”

But he believes there is huge potential in recapturing carbon from ocean water. “Total carbon in seawater is about 50 times that in the atmosphere, and carbon can be resident in seawater for tens of thousands of years, causing acidification which damages the plankton and coral reef ecosystems. Removing carbon from the ocean is a giant task, but essential if the consequences of climate change are to be controlled,” he says.

Annieisors

29 Jun 2025 - 10:56 pm

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Williamdog

29 Jun 2025 - 09:50 pm

These preppers have ‘go bags,’ guns and a fear of global disaster. They’re also left-wing
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This fear is where Marlon Smith’s interest in preparedness began. Growing up in Trinidad, he lived through an attempted coup in 1990 that sparked his concern the government would not be there in times of disaster. This only deepened after he moved to New York City and watched the aftermath of 9/11 and then Hurricane Katrina. “You see the inability of the government to truly help their citizens,” he said.

Smith, who now lives in New Jersey, runs a fashion company by day and spends his weekends teaching survival skills — including how to survive nuclear fallout. “People find it funny that I work in women’s evening wear and yet I do this hardcore prepping and survivalism in the woods,” he said.
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It’s hard to pin down the exact number of preppers in the US. Mills says 5 million is a reasonable estimate; others would say much higher. Chris Ellis, a military officer and academic who researches disaster preparedness, puts the figure at around 20 to 23 million using data from FEMA household surveys.

Figuring out the proportion of preppers on the left is perhaps even trickier. Mills, who has surveyed 2,500 preppers over the past decade, has consistently found about 80% identify as conservatives, libertarians or another right-wing ideology. He doesn’t see any dramatic upswing in left-wing preppers.
necdotal evidence, however, points to increased interest from this side of the political spectrum.

Several left-wing preppers told CNN about the burgeoning popularity of their newsletters, social media channels and prepping courses. Shonkwiler says subscriber numbers to his newsletter When/If increase exponentially whenever right-wing views make headlines, especially elections. He saw a huge uptick when Trump was reelected.

Smith has noticed more liberals among his growing client roster for prepping courses. He has an upcoming session teaching a group in the Hamptons — “all Democrats,” he said.

Smith is at pains to keep politics out of prepping, however, and makes his clients sign a waiver agreeing not to talk about it. “You leave your politics and your religion at the door. … You come here to learn; I’ll teach you,” he said.

Alexcew

29 Jun 2025 - 09:18 pm

Почему не работает торговую площадку Кракен
Сервис Kraken даёт возможность любому пользователю Интернета покупать запрещённые препараты и фальшивые документы. И даже заказать электронные услуги, использование которых является нарушением Уголовного кодекса. Однако иногда, используя этот сервис, пользователь может столкнуться с проблемой – Кракен не работает. Из-за этого уже не получится совершить покупку, познакомиться с товарами. Для того чтобы таких проблем не было пользователю сайта нужно познакомиться с причинами проблем со входом.
Почему нельзя зайти на сервис Кракен
Причинами того, что Кракен не работает, становятся:
• Блокировка сайта интернет-провайдером или национальным регулятором.
• Заражение компьютера вирусами.
• Заблокированный доступ антивирусной программой.
• Ошибки веб-обозревателя.
• Проблемы на стороне поставщика Интернета.
• Изменение адреса сайта или зеркала.
Часть проблем достаточно просто исправить. Можно удалить веб-адрес Кракена из файла hosts. Или выключить программы и расширения, которые не дают зайти на площадку. Проблемы с Интернетом решатся, если подождать восстановления связи. При смене адреса следует найти новый – избегая фальшивых ссылок. Но, когда вход заблокирован намеренно, нужно использовать специальные сервисы и ссылки.
Как зайти на сервис Kraken
VPN-сервисы позволяют перейти почти на все сайты. А применять их можно, установив приложение или браузерное расширение. Работать с VPN-сервисом несложно. А из-за изменения IP, открывается доступ к Кракену. Но у VPN есть свои минусы:
• уменьшение скорости;
• невысокая анонимность по сравнению с Тор;
• ограничение бесплатных мегабайт – для безлимитного доступа за услуги сервиса придётся заплатить.
Ещё один способ решить проблему, когда нельзя зайти на сайт kraken ссылка – установить Tor. Программа бесплатная, обеспечивает конфиденциальность, стирает историю посещений и позволяет избежать контроля. Недостатки у браузера тоже есть. Переходя на площадку с его помощью, можно заметить замедление доступа.
Зеркала – хороший вариант перехода к недоступным сайтам. Решение подходит, если Kraken недоступен из обычного браузера, когда изменился адрес сервиса, и при перерыве на техническое обслуживание. Функционал зеркальной версии повторяет основной ресурс. Скорость доступа не падает. А перейти на зеркало сайта Kraken получится из обычного браузера.

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29 Jun 2025 - 07:05 pm

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29 Jun 2025 - 06:47 pm

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Bryanedula

29 Jun 2025 - 06:30 pm

Lido Finance: Leading Liquid Staking Protocol
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Lido Finance is a decentralized platform that enables users to stake their cryptocurrencies and earn staking rewards while maintaining liquidity through tokenized assets. It is one of the most popular liquid staking solutions in the DeFi ecosystem, supporting multiple blockchains including Ethereum, Solana, and more.

Lido Overview
Lido allows users to stake their assets without locking them up, providing flexibility and liquidity. When users stake their tokens via Lido, they receive a corresponding staked token (e.g., stETH for Ethereum), which can be used in other DeFi protocols, traded, or held for rewards.

Lido Fi
Lido Fi refers to the broader ecosystem of decentralized finance activities built around Lido’s staking tokens. It includes yield farming, liquidity pools, and integrations with various DeFi platforms, enabling users to maximize their crypto assets' utility.

Lido Staking
Lido staking involves depositing supported cryptocurrencies (like ETH, SOL, or others) into the Lido protocol. In return, users receive staked tokens that accrue staking rewards over time. This process is designed to be user-friendly, secure, and accessible to both individual and institutional investors.

Lido Finance ETH Staking
Lido Finance ETH staking is one of its flagship features, allowing users to stake ETH without needing to run a validator node. By staking ETH through Lido, users receive stETH, which represents their staked ETH plus accrued rewards, and can be used across DeFi applications.

Lido Finance Crypto
Lido finance crypto encompasses the native tokens (like stETH for Ethereum, stSOL for Solana, etc.), governance tokens, and other assets within the Lido ecosystem. These tokens facilitate staking, liquidity provision, and governance participation.

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Timothyhab

29 Jun 2025 - 04:37 pm

Curve Finance: Leading DeFi Liquidity and Stablecoin Protocol
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Curve Finance is a decentralized exchange (DEX) optimized for stablecoin and low-volatility asset trading. Known for its efficient liquidity pools and low slippage, Curve has become a cornerstone in the DeFi ecosystem for stable asset swaps and liquidity provision.

Curve Fi
Curve Fi refers to the platform's core protocol that enables users to swap stablecoins and other similar assets with minimal slippage and low fees. It leverages specialized liquidity pools to facilitate efficient trading.

Curve Finance Crypto
Curve finance crypto encompasses the native tokens (such as CRV), liquidity provider tokens, and other assets within the Curve ecosystem. These tokens are used for governance, staking, and earning rewards.

Curve DeFi
Curve DeFi describes the broader decentralized finance ecosystem built around Curve’s liquidity pools and protocols. It includes yield farming, liquidity mining, and integrations with other DeFi platforms like Yearn, Convex, and more.

Curve Finance Liquidity Pool
A Curve liquidity pool is a smart contract that holds assets like stablecoins or similar tokens, allowing users to deposit and earn fees or rewards. These pools are optimized for low slippage and high efficiency, supporting large trading volumes.

Curve Finance Borrow
While primarily known for liquidity provision and swaps, Curve also supports borrowing mechanisms indirectly through integrations with lending protocols like Aave or Compound, where users can collateralize assets and borrow against their liquidity pool tokens.

Antionenip

29 Jun 2025 - 02:35 pm

“It’s true that both plants are not yet operating at the capacity we originally targeted,” said the Climeworks spokesperson.
трипскан вход
“Like all transformative innovations, progress is iterative, and some steps may take longer than anticipated,” they said.

The company’s prospective third plant in Louisiana aims to remove 1 million tons of carbon a year by 2030, but it’s uncertain whether construction will proceed under the Trump administration.

A Department of Energy spokesperson said a department-wide review was underway “to ensure all activities follow the law, comply with applicable court orders and align with the Trump administration’s priorities.” The government has a mandate “to unleash ‘American Energy Dominance’,” they added.

Direct air capture’s success will also depend on companies’ willingness to buy carbon credits.
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Currently companies are pretty free to “use the atmosphere as a waste dump,” said Holly Buck, assistant professor of environment and sustainability at the University at Buffalo. “This lack of regulation means there is not yet a strong business case for cleaning this waste up,” she told CNN.

Another criticism leveled at Climeworks is its failure to offset its own climate pollution. The carbon produced by its corporate activities, such as office space and travel, outweighs the carbon removed by its plants.

The company says its plants already remove more carbon than they produce and corporate emissions “will become irrelevant as the size of our plants scales up.”

Some, however, believe the challenges Climeworks face tell a broader story about direct air capture.

This should be a “wake-up call,” said Lili Fuhr, director of the fossil economy program at the Center for International Environmental Law. Climeworks’ problems are not “outliers,” she told CNN, “but reflect persistent technical and economic hurdles faced by the direct air capture industry worldwide.”

“The climate crisis demands real action, not speculative tech that overpromises and underdelivers.” she added.

Some of the Climeworks’ problems are “related to normal first-of-a-kind scaling challenges with emerging complex engineering projects,” Buck said.

But the technology has a steep path to becoming cheaper and more efficient, especially with US slashing funding for climate policies, she added. “This kind of policy instability and backtracking on contracts will be terrible for a range of technologies and innovations, not just direct air capture.”

Direct air capture is definitely feasible but its hard, said MIT’s Buck. Whether it succeeds will depend on a slew of factors including technological improvements and creating markets for carbon removals, he said.

“At this point in time, no one really knows how large a role direct air capture will play in the future.”