Lithium and battery materials

Greenland Security Deal Shifts Critical Minerals Focus to Arctic Rare Earths

A new US security deal for Greenland is directing attention to the island's vast rare earth and critical mineral deposits, impacting companies with existing or developing interests in the region.

By the PubCo Insight Editorial Team, edited by Brad Listermann  ·  September 21, 2026
Greenland Security Deal Unlocks Arctic Rare Earth Potential
Long-term US security commitment de-risks Greenland mineral projects.
On September 21, 2026, Critical Metals (CRML), Greenland-Linked Stocks (GLND), and GRML saw significant overnight gains. This surge followed former President Trump's announcement of a "permanent" US security deal for Greenland. The move signals a clear geopolitical shift, directly affecting the critical minerals sector, particularly those companies with existing or developing ties to Greenland's resource potential. This development highlights the increasing strategic importance of Arctic mineral resources in global supply chains.

The Geopolitical Mechanism of Arctic Resource Access

Securing critical mineral supply chains is a central tenet of modern industrial policy. The US, like many industrial nations, faces a reliance on a limited number of foreign sources for essential materials like rare earth elements, lithium, and boron. A security deal, such as the one announced for Greenland, aims to de-risk this supply chain by establishing a stable, politically aligned source. This is not about direct mineral extraction by the US government. Instead, it creates a framework that encourages and protects private sector investment in exploration, development, and processing within the partner nation. The "permanent" nature of the deal implies long-term stability for capital-intensive mining projects, reducing political risk for investors. For this to matter, Greenland must possess commercially viable deposits, and the regulatory environment must facilitate extraction. Conversely, a reversal of the security deal, or significant shifts in Greenlandic national policy, would undermine the framework. The ultimate proof of its impact will be the acceleration of permitting, investment, and ultimately, the flow of processed critical minerals from Greenland into US-aligned supply chains.
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Companies Operating in the Arctic Critical Mineral Space

Several companies are already positioned in the critical minerals sector, with some directly impacted by the Greenland development. Critical Metals Corp. (CRML), trading at $6.73, is one such entity. On September 16, CRML projected up to $2.2 billion in annual revenue from its proposed Romanian refinery, following breakthrough results showing over 99% dissolution of eudialyte concentrate into 19 ultra-high-purity rare earth products from its Tanbreez project. This project, located in southern Greenland, is central to CRML's strategy. The company’s merger with European Lithium also advanced to a shareholder vote in October, following a court ruling. While not directly Greenland-focused, other companies are working on critical mineral supply chains. NioCorp Developments Ltd. (NB), priced at $3.58, is developing a niobium, scandium, and titanium project in Nebraska. USA Rare Earth, Inc. (USAR), at $15.37, is focused on rare earth processing in the United States, with its Round Top project in Texas holding significant heavy rare earth deposits. American Battery Technology Company (ABAT), trading at $2.18, reported 407% revenue growth and positive adjusted gross profit in its Q4 2026 earnings, focusing on lithium-ion battery recycling and primary mineral extraction from Nevada claystone. In the lithium space, Standard Lithium Ltd. (SLI), at $2.12, saw Equinor post a positive PEA for its Texas lithium project on September 20. Atlas Lithium Corporation (ATLX), priced at $2.9, is developing its lithium project in Brazil. Ioneer Ltd (IONR), at $3.43, is advancing its Rhyolite Ridge lithium-boron project in Nevada. These companies represent diverse approaches to securing critical minerals, from hard rock and brine lithium to rare earths and other battery metals, but the Greenland deal introduces a new, potentially significant, source of supply.

American Lithium Minerals, Inc.

American Lithium Minerals, Inc. (AMLM), an exploration stage company trading over the counter at $0.0721, focuses on lithium and boron properties in Nevada. The company was incorporated in Nevada on March 10, 2005. Its primary asset is the Sarcobatus Lithium property, comprising 1,780 acres of mining claims in Central Nevada. AMLM’s stated business plan involves exploring for lithium in Nevada and expanding its exploration and acquisition for mineral properties worldwide. It also intends to develop the use of Real World Asset Tokens to provide capital for mining, a strategy outlined in its February 2026 Regulation A offering circular. The company's activities since 2009 have centered on lithium exploration at the Sarcobatus project. AMLM has also acquired and divested cobalt, nickel, and graphite prospects in Central Nevada, and rare earth elements projects in Kingman, Arizona, and Southeast Illinois. The February 4, 2026, Regulation A offering on Form 1-A covers up to 80,000,000 units, with each unit including one share of common stock and one warrant to purchase 1.5 shares of common stock. These warrants are exercisable at $0.05 per share until December 31, 2028, potentially issuing up to an additional 120,000,000 shares if fully exercised. The company's current outstanding share count is available in its SEC filings. The public record does not yet establish a measured or indicated resource estimate for the Sarcobatus project. AMLM's long-term vision, as described in its filings, is to create an interoperable ecosystem where assets can be acquired, tokenized, and traded, merging public market credibility with blockchain agility.

What to watch

The immediate focus for Critical Metals (CRML) will be the October shareholder vote regarding its merger with European Lithium, a decision that could consolidate its European and Greenlandic assets. For the broader Greenland-linked sector, watch for specific announcements from the US and Greenlandic governments detailing the implementation of the security deal. This could include new trade agreements, investment incentives, or changes to permitting processes for mineral projects. Any further studies or resource updates from CRML's Tanbreez project, particularly concerning the scale and economic viability of its heavy rare earth deposits, will be significant. Beyond Greenland, watch for progress reports from companies like Standard Lithium (SLI) on its Texas lithium project, especially as it moves past the PEA stage, and for American Battery Technology Company (ABAT) to continue demonstrating profitability and revenue growth in its recycling and extraction operations., { "label": "Investment Climate", "note": "Reduced political risk for capital-intensive mining projects" }, { "label": "Resource Assessment", "note": "Greenland's known rare earth and critical mineral deposits" }, { "label": "Project Development", "note": "Accelerated permitting, exploration, and extraction", "metric": "CRML Tanbreez" }, { "label": "Supply Diversification", "note": "New, stable source of critical minerals for US-aligned supply chains" } ], "highlight": 1, "highlight_note": "Security deal provides stability, attracting private investment to high-risk projects.", "footnote": "Source: MT Newswires, Stocktwits, GlobeNewswire, SEC Filings" }

Companies mentioned

TickerCompanyPrice
ABATAmerican Battery Technology Company$2.18
AMLM clientAmerican Lithium Minerals, Inc.$0.0721
ATLXAtlas Lithium Corporation$2.9
CRMLCritical Metals Corp.$6.73
IONRioneer Ltd$3.43
NBNioCorp Developments Ltd.$3.58
SLIStandard Lithium Ltd.$2.12
USARUSA Rare Earth, Inc.$15.37

Listed alphabetically, not ranked. Prices as of 2026-09-21 and they move. Check a live quote before relying on any of this.

How we chose the companies in this article

We cover a fixed universe of companies working in lithium, boron and the critical minerals that feed battery and energy-storage supply chains. Every one of them that had usable market data on 2026-09-21 appears in this article. We do not pick which ones to mention based on what we think of them, and we do not order them by size, price or trading volume, because an ordered list is a verdict and that is not ours to hand down. Companies left out, and why: none. American Lithium Minerals and Artificial Intelligence Technology Solutions pay us, which is disclosed in full at the foot of every article they appear in.

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Disclosure required by Section 17(b) of the Securities Act of 1933

American Lithium Minerals, Inc.. American Lithium Minerals, Inc. (issuer) paid Strategic Innovations First, Inc., an affiliate of PubCo Insight and Pulse IR. Compensation received: USD 11,550.00 total, three equal monthly installments of USD 3,850.00. Form of payment: cash only; no stock, options or warrants. Services: investor relations, marketing and content creation under Master Services Agreement dated June 22, 2026. Period: three month initial term, June 2026 through August 2026. No position, options or warrants held by PubCo Insight, Pulse IR, Strategic Innovations First, Inc., or Brad Listermann.

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