Antarctica is coming apart, crumbling into the sea, much, much faster than anybody ever thought possible. After all, it was only a couple of months ago when polar scientists called an extraordinary emergency meeting to discuss shocking developments: “Runaway ice loss causing rapid and catastrophic sea level rise is possible within our lifetimes.” (Source: Our Science, Your Future: Next Generation of Antarctic Scientists Call for Collaborative Action, Australian Antarctic Research Conference, November 22, 2024).

Another more recent new study using data from the Defense Meteorological Satellite Program is now overshadowing those panicky voices of polar scientists in November 2024. The new study should rattle the cages of every political leader in the world: “This simultaneous decline across both poles reinforces fears that Earth’s polar regions may be undergoing synchronized climate destabilization.” (Antarctica’s 2025 Sea Ice Collapse Shocks Scientists and Raises Fears of a New Climate Normal, Daily Galaxy, April 3, 2025)

“While Antarctica’s summer ice was hitting rock bottom, theArctic was also seeing near-record-low winter ice… with multiple low-ice years piling up, the question of whether this represents a tipping point is gaining traction in the scientific community.” Ibid.

Irreversibility of Cascading Ice Sheets

The tools that once revealed subtle changes in Antarctica are now capturing dramatic losses, lending weight to concerns that Antarctica’s sea ice system is approaching irreversibility. The polar scientists’ emergency meeting in November 2024 sent a chilling message to the world; “The experts’ conclusion, published as a press statement, is a somber one: if we don’t act, and quickly, the melting of Antarctica ice could cause catastrophic sea levels rise around the globe.” (Source: Emergency Meeting Reveals the Alarming Extent of Antarctica’s Ice Loss, Earth.com, Nov. 24, 2024)

“Truth be known, before very long we’ll see cities inundated and catastrophic flooding events, especially in low-lying coastal cities. All of these changes, we can plot them and if we look exponentially, we see really catastrophic effects in the next few years, certainly in the next decade or two the world will be completely different than it is now.” (Peter Wadhams, professor emeritus, Ocean Physics, Cambridge University, author of A Farewell to Ice; A Report from the Arctic )

Extensive research into how to stop this cascading freight train barreling down the mountainside concludes that the only salvation that’ll work soon enough is to stop burning fossil fuels, for example, gasoline-powered cars.

Building Sea Walls?

“Last year, when the Army Corps of Engineers proposed a vast network of seawalls and gates to shield NY and New Jersey Harbor, it argued that the fifty-three-billion dollar ($53B) project was a very good deal, although it ‘will not totally eliminate flood risks’ in the area, it would cost much less than repairing the city after every storm, Hurricane Sandy caused an estimated nineteen billion dollars in damage to NYC alone.” (Source: Can Sea Walls Save Us? The New Yorker, Nov. 5, 2023) Alas, $53B “will not totally eliminate flood risks.”

Across the globe, there is no organized worldwide mitigation plan underway to prevent both poles from crashing much faster and faster yet, which requires an immediate stop to burning fossil fuels. Good luck with that! Therefore, massive flooding is almost guaranteed to hit the world’s coastal megacities, like Miami, New York, and London. But nobody knows how soon, which, in and of itself, dictates taking immediate action to fund, engineer, start building seawalls, tall seawalls.

According to the above-referenced polar scientists’ emergency meeting: “The services of the Southern Ocean and Antarctica — oceanic carbon sink and planetary air-conditioner — have been taken for granted. Global warming-induced shifts observed in the region are immense. Recent research has shown record-low sea ice, extreme heatwaves exceeding 40°C (72°F) above average temperatures, and increased instability around key ice shelves. Shifting ecosystems on land and at sea underscore this sensitive region’s rapid and unprecedented transformations. Runaway ice loss causing rapid and catastrophic sea-level rise is possible within our lifetimes. Whether such irreversible tipping points have already passed is unknown.”

That paragraph contains the formula for rising sea levels beyond anybody’s imagination!

According to Earth.org, coastal megacities are at serious risk, e.g., Bangkok, Amsterdam, Ho Chi Minh City, Cardiff (UK), New Orleans, Manila, London, Shenzhen, Hamburg, and Dubai as well as megacities Miami and New York City. Many Florida and East Coast cities are high risk, e.g., Ft. Lauderdale, Norfolk, Hampton, Charleston, Cambridge, Jersey City, Chesapeake, Boston, Tampa, Palm Beach. It’s a long list.

What’s the likelihood of the Trump administration building seawalls to protect coastal cities? It can’t happen soon enough.

In the year 2020: Trump Blocked Over Plans to Build Wall Around Irish Golf Resort, CNN World, March 12, 2020: “Donald Trump’s hopes to protect his coastal Irish golf resort from erosion with a protective wall have been dashed by planning authorities.”

https://countercurrents.org/2025/04/will-the-u-s-build-seawalls/

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