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Trump says U.S. and Denmark reached agreement on Greenland security
🔥 10 sources

Trump says U.S. and Denmark reached agreement on Greenland security

U.S. President Donald Trump said the United States, Denmark and Greenland had reached a security agreement giving Washington permanent control over Greenland’s security and a greater role in its affairs. He also said the agreement would expand the U.S. military presence there. The full terms and whether the agreement has been formally signed remain unclear, with Denmark and Greenland indicating that a signing was expected.

Sep 18, 2026· ABC News
Denmark says NATO will share Arctic security responsibility under Greenland deal
🔥 3 sources

Denmark says NATO will share Arctic security responsibility under Greenland deal

Denmark, Greenland and the United States are expected to sign a security agreement on Greenland. Denmark says the deal would make NATO share responsibility for Arctic security instead of leaving it solely to Washington and Copenhagen.

Sep 21, 2026· CBC News
US, Denmark, Greenland agree to enhance High North security measures
🔥 2 sources

US, Denmark, Greenland agree to enhance High North security measures

Sep 20, 2026· CryptoBriefing
U.S.-listed Greenland stocks surge after Trump agrees security deal with Denmark
🔥 2 sources

U.S.-listed Greenland stocks surge after Trump agrees security deal with Denmark

Sep 21, 2026· CNBC
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GroenlandiaDänemarkDonald TrumpRusiaUnited StatesNorth Atlantic Treaty OrganizationEuropaChina
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Latest Arctic articles

Currents in an Arctic sea accelerate the sinking of carbon-carrying phytoplankton

Currents in an Arctic sea accelerate the sinking of carbon-carrying phytoplankton

Tiny plantlike organisms called phytoplankton that form the base of marine food webs topped by orcas, whales and sharks usually get eaten or slowly sink to the seafloor, carrying carbon as they go. Across most of the ocean, the descent from sunlit surface layers takes weeks. But in the Arctic's Chukchi Sea, scientists have found that a convergence of currents pushes phytoplankton from under the ice to the seafloor at four times the usual speed.

Arctic
Sep 23, 2026 · byPhys.org
Trump's deal with Denmark and Greenland: Key takeaways

Trump's deal with Denmark and Greenland: Key takeaways

U.S. President Donald Trump and the leaders of Denmark and Greenland signed an agreement about the status of the Arctic island after months of threats by Trump to seize the semiautonomous territory of a NATO ally. The deal was officially signed Tuesday in New York, after U.S., Greenlandic and Danish officials had quietly negotiated for months behind the scenes - searching both for solutions to address some of Trump’s security concerns about the territory, as well as alleviating Danish and Greenlandic fears of being taken over by the U.S. The three parties expressed satisfaction with the deal at the signing ceremony - but what exactly does it say? Washington is allowed to "modernize and expand” its activities at the remote Pituffik Space Base in the northwest, according to the agreement. The U.S. can also set up "defence areas” at Narsarsuaq in the south and Mestersvig in the east, and "may establish additional defense areas in Greenland and strengthen its military operations or facilities.” The accord calls for wide U.S. military mobility on Greenland’s territory, including "undersea access," noting that " the security situation in the Arctic is changing and that more efforts are needed to ensure security there in the future.” US President Donald Trump, Danish Prime Minister Mette Frederiksen and Greenland Prime Minister Jens-Frederik Nielsen attend a trilateral signing event regarding a deal on Greenland The agreement reaffirms "the sovereignty and territorial integrity of the Kingdom of Denmark,” and recognizes the Greenlanders' "right to self-determination.” The agreement says all three parties "support a stronger NATO engagement in the Arctic, including as regards planning, presence, exercises, and joint intelligence gathering.” It allows U.S. military access to Greenland to defend the NATO area, Greenland itself and the American continent - including through a "Golden Dome defense system." The deal spells out that "no state that is not a member of NATO shall be allowed to establish its own manned or unmanned military installations in Greenland nor shall they be allowed a persistent presence of military forces in Greenland." In the preamble, the signatories recognize "the need to protect the pristine environment of Greenland.” It also stresses "the economic, social, and cultural rights of the people of Greenland, including with respect to their lands and their way of life, including hunting, fishing, and other traditional, cultural, historical, future activities.” The accord "does not have an end date” and, if Greenland chooses to become independent, it will agree to remain in NATO and take on Denmark’s rights and obligations under the deal. The deal will only "enter into force” once the "necessary parliamentary processes of the Kingdom of Denmark, in conjunction with Greenland, have been completed.”

Donald Trumpcritical
ArcticDonald TrumpDänemark
Sep 23, 2026 · byMobile Business
Methane beneath the Greenland ice sheet shapes microbial life and influences the carbon cycle

Methane beneath the Greenland ice sheet shapes microbial life and influences the carbon cycle

A new study involving researchers from the Faculty of Science, Charles University, Prague, shows that methane concentration is among the key factors determining the composition of microbial communities at the margin of the Greenland Ice Sheet. The findings, published in Applied and Environmental Microbiology, provide new insights into processes that influence carbon and methane cycling in a rapidly warming Arctic.

ArcticGroenlandiaPrague
Sep 22, 2026 · byPhys.org
Trump’s Greenland quest leaves scars, even as deal brings relief

Trump’s Greenland quest leaves scars, even as deal brings relief

President Trump’s announcement that he secured a deal with Denmark and Greenland over security for the Arctic territory gave both the president’s supporters and critics something to cheer over — the removal of a key irritant in the NATO relationship.  The exact details of the deal are not yet public, but officials have highlighted that…

Donald Trumpcritical
ArcticDonald TrumpDänemark
Sep 22, 2026 · byThe Hill
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Is this how the Greenland crisis ends?

The U.N. General Assembly is in full swing over in New York, and the agenda is packed. But perhaps the most pressing item will take place on the sidelines of the gathering, as Denmark, the U.S. and Greenland prepare to sign a security deal. What does the agreement mean for the EU’s big Arctic strategy? […]

ArcticDänemarkGroenlandia
Sep 22, 2026 · byPOLITICO Europe
Satellite record reveals Arctic melt season has plateaued after decades of lengthening

Satellite record reveals Arctic melt season has plateaued after decades of lengthening

For decades, Arctic sea ice has been melting earlier in spring and freezing later in fall, extending the melt season and contributing to widespread ice loss. A new NASA-led study published in Communications Earth & Environment has found that while the Arctic melt season has lengthened dramatically since satellite records began, that trend unexpectedly stabilized around 2010.

ArcticNASA
Sep 21, 2026 · byPhys.org