A ship of the Royal Arctic Line is seen at the container port in Nuuk, Greenland, September 11, 2021. REUTERS/Hannibal Hanschke

The national flag is painted at a container in front of the Arctic Command of Danish armed forces in Nuuk, Greenland, September 8, 2021. REUTERS/Hannibal Hanschke

Containers of the Royal Arctic Line are pictured at the harbor in Nuuk, Greenland, September 7, 2021. REUTERS/Hannibal Hanschke

A container of the Royal Arctic Line is pictured in Nuuk, Greenland, September 5, 2021. REUTERS/Hannibal Hanschke

Containers of the Royal Arctic Line are pictured in Nuuk, Greenland, September 5, 2021. REUTERS/Hannibal Hanschke

French President Emmanuel Macron talks with Ambassador for Polar Issues at the Arctic Council Olivier Poivre d'Arvor after a sea trip off the Calanques, as he attends the IUCN World Conservation Congress in Marseille, France, September 3, 2021. Ludovic Marin/Pool via REUTERS

French President Emmanuel Macron talks with Ambassador for Polar Issues at the Arctic Council Olivier Poivre d'Arvor and former Director-General of the World Trade Organization, Pascal Lamy after a sea trip off the Calanques, as he attends the IUCN World Conservation Congress in Marseille, France, September 3, 2021. Ludovic Marin/Pool via REUTERS

French President Emmanuel Macron talks with Ambassador for Polar Issues at the Arctic Council Olivier Poivre d'Arvor after a sea trip off the Calanques, as he attends the IUCN World Conservation Congress in Marseille, France, September 3, 2021. Ludovic Marin/Pool via REUTERS

A general view shows Zapolyarny mine of Medvezhy Ruchey enterprise, which is a subsidiary of the world's leading nickel and palladium producer Nornickel, in the Arctic city of Norilsk, Russia August 24, 2021. Picture taken August 24, 2021. REUTERS/Tatyana Makeyeva

A dump truck is loaded with ore at Zapolyarny mine of Medvezhy Ruchey enterprise, which is a subsidiary of the world's leading nickel and palladium producer Nornickel, in the Arctic city of Norilsk, Russia August 24, 2021. Picture taken August 24, 2021. REUTERS/Tatyana Makeyeva

A general view shows Zapolyarny mine of Medvezhy Ruchey enterprise, which is a subsidiary of the world's leading nickel and palladium producer Nornickel, in the Arctic city of Norilsk, Russia August 24, 2021. Picture taken August 24, 2021. REUTERS/Tatyana Makeyeva

A general view shows the Arctic city of Norilsk, Russia August 24, 2021. Picture taken August 24, 2021. REUTERS/Tatyana Makeyeva

A view shows Nadezhda Metallurgical Plant of Nornickel company, the world's leading nickel and palladium producer, in the Arctic city of Norilsk, Russia August 23, 2021. Picture taken August 23, 2021. REUTERS/Tatyana Makeyeva

An employee works at Nadezhda Metallurgical Plant of Nornickel company, the world's leading nickel and palladium producer, in the Arctic city of Norilsk, Russia August 23, 2021. Picture taken August 23, 2021. REUTERS/Tatyana Makeyeva

An interior view shows Nadezhda Metallurgical Plant of Nornickel company, the world's leading nickel and palladium producer, in the Arctic city of Norilsk, Russia August 23, 2021. Picture taken August 23, 2021. REUTERS/Tatyana Makeyeva

A general view shows Nadezhda Metallurgical Plant of Nornickel company, the world's leading nickel and palladium producer, in the Arctic city of Norilsk, Russia August 23, 2021. Picture taken August 23, 2021. REUTERS/Tatyana Makeyeva

An employee works at Nadezhda Metallurgical Plant of Nornickel company, the world's leading nickel and palladium producer, in the Arctic city of Norilsk, Russia August 23, 2021. Picture taken August 23, 2021. REUTERS/Tatyana Makeyeva

A view through a bus window shows Nadezhda Metallurgical Plant of Nornickel company, the world's leading nickel and palladium producer, in the Arctic city of Norilsk, Russia August 22, 2021. Picture taken August 22, 2021. REUTERS/Tatyana Makeyeva

Map and chart showing June 2021 temperatures relative to the average surface air temperature in June between 1991-2020, globally as well as for North America, Europe and Arctic Siberia.

A police officer talks to a Greenpeace activist who demonstrates in front of the Norwegian oil and energy ministry in central Oslo, Norway June 24, 2021, a day after the country granted exploration oil licenses in the Arctic. REUTERS/Gwladys Fouche

A Greenpeace activist looks at a sticker reading "Norwegian oil is boiling the planet" as they demonstrate in front of the Norwegian oil and energy ministry in central Oslo, Norway June 24, 2021, a day after the country granted exploration oil licenses in the Arctic. REUTERS/Gwladys Fouche

Greenpeace activists install stickers as they demonstrate in front of the Norwegian oil and energy ministry in central Oslo, Norway June 24, 2021, a day after the country granted exploration oil licenses in the Arctic. The sign (R) reads "Norwegian oil is boiling the planet". REUTERS/Gwladys Fouche

Greenpeace activists demonstrate in front of the Norwegian oil and energy ministry in central Oslo, Norway June 24, 2021, a day after the country granted exploration oil licenses in the Arctic. The sign reads "Norwegian oil is boiling the planet". REUTERS/Gwladys Fouche

Greenpeace activists demonstrate in front of the Norwegian oil and energy ministry in central Oslo, Norway June 24, 2021, a day after the country granted exploration oil licenses in the Arctic. REUTERS/Gwladys Fouche

Greenpeace activists demonstrate in front of the Norwegian oil and energy ministry in central Oslo, Norway June 24, 2021, a day after the country granted exploration oil licenses in the Arctic. The sign (L) reads "No to new oil". REUTERS/Gwladys Fouche

An arctic fox digs through the town dump in St. George, Alaska, U.S., May 22, 2021. Picture taken May 22, 2021. REUTERS/Nathan Howard

An arctic fox digs through the town dump in St. George, Alaska, U.S., May 22, 2021. Picture taken May 22, 2021. REUTERS/Nathan Howard

Atmospheric physicist and leader of the MOSAiC expedition Markus Rex chats with German Minister for Education and Research Anja Karliczek after a news conference presenting the initial results of the MOSAiC expedition, the largest scientific undertaking in the polar region to date, in Berlin, Germany June 15, 2021. John MacDougall/Pool via REUTERS

Atmospheric physicist and leader of the MOSAiC expedition Markus Rex addresses a news conference presenting the initial results of the MOSAiC expedition, the largest scientific undertaking in the polar region to date, in Berlin, Germany June 15, 2021. John MacDougall/Pool via REUTERS

Sea ice physicist and expedition participant Stefanie Arndt, atmospheric physicist and leader of the MOSAiC expedition Markus Rex and Germany's Minister for Education and Research Anja Karliczek pose with a placard showing a picture of the German icebreaker and research vessel "Polarstern" and a text reading 'Global Temperature rise' before a news conference presenting the initial results of the MOSAiC expedition, the largest scientific undertaking in the polar region to date, in Berlin, Germany June 15, 2021. John MacDougall/Pool via REUTERS

Sea ice physicist and expedition participant Stefanie Arndt, atmospheric physicist and leader of the MOSAiC expedition Markus Rex and Germany's Minister for Education and Research Anja Karliczek pose with a placard showing a picture of the German icebreaker and research vessel "Polarstern" and a text reading 'Global Temperature rise' before a news conference presenting the initial results of the MOSAiC expedition, the largest scientific undertaking in the polar region to date, in Berlin, Germany June 15, 2021. John MacDougall/Pool via REUTERS

Atmospheric physicist and leader of the MOSAiC expedition Markus Rex addresses a news conference presenting the initial results of the MOSAiC expedition, the largest scientific undertaking in the polar region to date, in Berlin, Germany June 15, 2021. John MacDougall/Pool via REUTERS

Atmospheric physicist and leader of the MOSAiC expedition Markus Rex and expedition participant Stefanie Arndt attend a news conference presenting the initial results of the MOSAiC expedition, the largest scientific undertaking in the polar region to date, in Berlin, Germany June 15, 2021. John MacDougall/Pool via REUTERS

Germany Minister for Education and Research Anja Karliczek addresses a news conference presenting the initial results of the MOSAiC expedition, the largest scientific undertaking in the polar region to date, in Berlin, Germany June 15, 2021. John MacDougall/Pool via REUTERS

Sea ice physicist and MOSAiC expedition participant Stefanie Arndt addresses a news conference presenting the initial results of the MOSAiC expedition, the largest scientific undertaking in the polar region to date, in Berlin, Germany June 15, 2021. John MacDougall/Pool via REUTERS

Sea ice physicist and MOSAiC expedition participant Stefanie Arndt attends a news conference presenting the initial results of the MOSAiC expedition, the largest scientific undertaking in the polar region to date, in Berlin, Germany June 15, 2021. John MacDougall/Pool via REUTERS

Sea ice physicist and MOSAiC expedition participant Stefanie Arndt addresses a news conference presenting the initial results of the MOSAiC expedition, the largest scientific undertaking in the polar region to date, in Berlin, Germany June 15, 2021. John MacDougall/Pool via REUTERS

Germany Minister for Education and Research Anja Karliczek addresses a news conference presenting the initial results of the MOSAiC expedition, the largest scientific undertaking in the polar region to date, in Berlin, Germany June 15, 2021. John MacDougall/Pool via REUTERS

Germany Minister for Education and Research Anja Karliczek addresses a news conference presenting the initial results of the MOSAiC expedition, the largest scientific undertaking in the polar region to date, in Berlin, Germany June 15, 2021. John MacDougall/Pool via REUTERS

Atmospheric physicist and leader of the MOSAiC expedition Markus Rex addresses a news conference presenting the initial results of the MOSAiC expedition, the largest scientific undertaking in the polar region to date, in Berlin, Germany June 15, 2021. John MacDougall/Pool via REUTERS

Atmospheric physicist and leader of the MOSAiC expedition Markus Rex addresses a news conference presenting the initial results of the MOSAiC expedition, the largest scientific undertaking in the polar region to date, in Berlin, Germany June 15, 2021. John MacDougall/Pool via REUTERS

Sea ice physicist and MOSAiC expedition participant Stefanie Arndt addresses a news conference presenting the initial results of the MOSAiC expedition, the largest scientific undertaking in the polar region to date, in Berlin, Germany June 15, 2021. John MacDougall/Pool via REUTERS

U.S. Secretary of State Antony Blinken boards his airplane prior to departing the Kangerlussuaq Airport in Greenland, May 20, 2021. Saul Loeb/Pool via REUTERS

A muskox is seen from the motorcade of U.S. Secretary of State Antony Blinken (not pictured) in Kangerlussuaq, Greenland, May 20, 2021. Saul Loeb/Pool via REUTERS

Areas of Greenland are seen from an aerial helicopter tour with U.S. Secretary of State Antony Blinken (not pictured) near Kangerlussuaq, Greenland, May 20, 2021. Saul Loeb/Pool via REUTERS

Glacial ice is seen from from an aerial helicopter tour with U.S. Secretary of State Antony Blinken (not pictured) near Kangerlussuaq, Greenland, May 20, 2021. Saul Loeb/Pool via REUTERS

Ice receding from a glacier is seen from an aerial helicopter tour with U.S. Secretary of State Antony Blinken (not pictured) near Kangerlussuaq, Greenland, May 20, 2021. Saul Loeb/Pool via REUTERS

Ice receding from a glacier is seen from an aerial helicopter tour with U.S. Secretary of State Antony Blinken (not pictured) near Kangerlussuaq, Greenland, May 20, 2021. Saul Loeb/Pool via REUTERS

Ice receding from a glacier is seen from an aerial helicopter tour with U.S. Secretary of State Antony Blinken (not pictured) near Kangerlussuaq, Greenland, May 20, 2021. Saul Loeb/Pool via REUTERS

Ice receding from a glacier is seen from an aerial helicopter tour with U.S. Secretary of State Antony Blinken (not pictured) near Kangerlussuaq, Greenland, May 20, 2021. Saul Loeb/Pool via REUTERS

U.S. Secretary of State Antony Blinken, Greenlandic Premier Mute Egede and Danish Foreign Minister Jeppe Kofod fly in a helicopter as they take an aerial tour near Kangerlussuaq, Greenland, May 20, 2021. Saul Loeb/Pool via REUTERS

U.S. Secretary of State Antony Blinken flies in a helicopter as he takes an aerial tour near Kangerlussuaq, Greenland, May 20, 2021. Saul Loeb/Pool via REUTERS

US Secretary of State Antony Blinken, Greenlandic Premier Mute Egede and Danish Foreign Minister Jeppe Kofod fly in a helicopter as they take an aerial tour near Kangerlussuaq, Greenland, May 20, 2021. Saul Loeb/Pool via REUTERS

US Secretary of State Antony Blinken and Greenlandic Premier Mute Egede fly in a helicopter as they take an aerial tour near Kangerlussuaq, Greenland, May 20, 2021. Saul Loeb/Pool via REUTERS

People wave to US Secretary of State Antony Blinken's motorcade in Kangerlussuaq, Greenland, May 20, 2021. Saul Loeb/Pool via REUTERS

The motorcade of US Secretary of State Antony Blinken drives back into town after visiting the Black Ridge Viewing site in Kangerlussuaq, Greenland, May 20, 2021. Saul Loeb/Pool via REUTERS

US Secretary of State Antony Blinken visits the Black Ridge Viewing site in Kangerlussuaq, Greenland, May 20, 2021. Saul Loeb/Pool via REUTERS

U.S. Secretary of State Antony Blinken, Greenlandic Premier Mute Egede and Dr. Mie Wingding, a scientist at the Greenlands Climate Research Center visit the Black Ridge Viewing site in Kangerlussuaq, Greenland, May 20, 2021. Saul Loeb/Pool via REUTERS

The motorcade of U.S. Secretary of State Antony Blinken drives back into town after visiting the Black Ridge Viewing site in Kangerlussuaq, Greenland, May 20, 2021. Saul Loeb/Pool via REUTERS

U.S. Secretary of State Antony Blinken and Danish Foreign Minister Jeppe Kofod visit the Black Ridge Viewing site in Kangerlussuaq, Greenland, May 20, 2021. Saul Loeb/Pool via REUTERS