Overview

The polar regions — the Arctic and Antarctic — have emerged as critical arenas of geopolitical competition in the 21st century. Melting ice caps are opening new shipping routes (Northern Sea Route), exposing vast mineral and energy reserves, and raising sovereignty disputes. Meanwhile, territorial disputes and international boundary lines remain perennial topics for UPSC — from the South China Sea's nine-dash line to the Durand Line and McMahon Line affecting India's neighbourhood.

Exam Strategy: For Prelims, memorise the Arctic Council's 8 members, India's polar research stations (Maitri, Bharati, Himadri), the Antarctic Treaty year (1959), and international boundary lines. For Mains, focus on the geopolitics of the Northern Sea Route, Arctic resource competition, India's Arctic Policy (2022), and how UNCLOS governs maritime disputes.


The Arctic

Geography

FeatureDetails
DefinitionRegion around the North Pole, generally north of the Arctic Circle (66.5 degree N)
OceanArctic Ocean — smallest and shallowest of the world's five oceans
Land massesParts of Russia, Canada, USA (Alaska), Norway, Denmark (Greenland), Finland, Sweden, Iceland
Permanent iceArctic sea ice is shrinking due to climate change; summer minimum extent has declined by ~13% per decade since 1979
Indigenous peoplesInuit, Sami, Nenets, Chukchi, and other Arctic-dwelling communities

Arctic Council

The Arctic Council, established by the Ottawa Declaration in 1996, is the leading intergovernmental forum for Arctic cooperation.

CategoryMembers
8 Member StatesCanada, Denmark (Greenland), Finland, Iceland, Norway, Russia, Sweden, United States
6 Permanent ParticipantsIndigenous peoples' organisations (e.g., Inuit Circumpolar Council, Saami Council)
Observer States (13)India, China, Japan, South Korea, Singapore, France, Germany, Italy, Netherlands, Poland, Spain, Switzerland, United Kingdom
India's observer statusGranted in 2013 at the Kiruna Ministerial Meeting

Key Fact: All 8 Arctic Council member states have territory above the Arctic Circle. India gained observer status in 2013, joining China, Japan, South Korea, and Singapore (all also admitted in 2013). Observer states may attend meetings, propose projects, and contribute to working groups, but cannot vote.

Northern Sea Route (NSR)

FeatureDetails
RouteAlong Russia's Arctic coast, connecting the Atlantic Ocean (via the Barents Sea) to the Pacific Ocean (via the Bering Strait)
Distance advantageMumbai to Rotterdam: ~7,400 nautical miles via NSR vs ~11,200 via Suez Canal (~34% shorter)
Strategic significanceReduced shipping time, fuel costs, and avoidance of chokepoints (Suez Canal, Strait of Malacca)
ChallengesIce coverage for much of the year, need for icebreaker escorts, limited port infrastructure, environmental risks
Russia's roleControls most of the NSR; requires advance permission for transit; investing heavily in icebreaker fleet
Climate change impactArctic ice melt is making the NSR navigable for longer periods each year

Arctic Resource Race

ResourceEstimated ReservesKey Claimants
Oil~13% of world's undiscovered oil (estimated 90 billion barrels)Russia, USA, Canada, Norway
Natural Gas~30% of world's undiscovered gasRussia (largest Arctic gas fields), Norway
MineralsRare earth elements, zinc, nickel, platinum, diamondsRussia, Canada, Greenland (Denmark)
FisheriesRich fishing grounds as ice retreatsAll Arctic states

UNCLOS and Arctic Claims

Under UNCLOS (United Nations Convention on the Law of the Sea), coastal states can claim:

  • Territorial Sea — 12 nautical miles from baseline
  • EEZ — 200 nautical miles (sovereign rights over resources)
  • Extended Continental Shelf — beyond 200 nm if geological evidence supports it (under Article 76)

Russia, Canada, Denmark (via Greenland), and Norway have submitted claims to the UN Commission on the Limits of the Continental Shelf (CLCS) to extend their continental shelves in the Arctic, including claims to the Lomonosov Ridge (which Russia argues is an extension of the Siberian continental shelf).


The Antarctic

Geography

FeatureDetails
LocationContinent around the South Pole, south of 60 degree S latitude
Area~14.2 million sq km — fifth-largest continent
Ice coverage~98% covered by ice (average thickness ~2.16 km)
SignificanceContains ~70% of the world's fresh water (locked in ice); no permanent human population
ClimateColdest, driest, and windiest continent; lowest recorded temperature: -89.2 degree C (Vostok Station, 1983)

Antarctic Treaty System (ATS)

FeatureDetails
Antarctic TreatySigned on 1 December 1959 in Washington, D.C.; entered into force on 23 June 1961
Original signatories12 nations (including USA, USSR, UK, France, Argentina, Australia, Chile, Japan, New Zealand, Norway, South Africa, Belgium)
Current parties58 nations (as of 2025; 29 Consultative Parties + 29 Non-Consultative Parties)
Key provisionsAntarctica to be used for peaceful purposes only; freedom of scientific investigation; no military activity, nuclear explosions, or nuclear waste disposal; territorial claims frozen
Consultative parties29 nations with voting rights (must demonstrate substantial scientific research activity); India is a Consultative Party

Madrid Protocol (1991)

FeatureDetails
Full nameProtocol on Environmental Protection to the Antarctic Treaty
Signed1991 in Madrid; entered into force in 1998
Key provisionMining ban — prohibits all mineral resource activities in Antarctica (except scientific research)
DurationCannot be modified for 50 years from entry into force (i.e., until 2048)
Environmental protectionDesignates Antarctica as a "natural reserve devoted to peace and science"
Environmental impactAll activities must undergo prior environmental impact assessment

Exam Tip: The Madrid Protocol's mining ban is valid until at least 2048. After that, any modification requires agreement of three-quarters of the current Consultative Parties. This is a frequently tested fact — remember 1991 (signed) and 2048 (earliest review date).


India's Polar Programme

India's Antarctic Stations

StationLocationEstablishedStatus
Dakshin GangotriQueen Maud Land, Antarctica1983 (India's first Antarctic station)Decommissioned in 1988–89 (buried under ice); now a supply base
MaitriSchirmacher Oasis, Queen Maud Land1989Operational year-round
BharatiLarsemann Hills, Prydz Bay2012Operational year-round; built from 134 shipping containers

India's Arctic Station

StationLocationEstablishedDetails
HimadriNy-Alesund, Svalbard, Norway2008India's first and only Arctic research station; located 1,200 km from the North Pole

NCPOR — National Centre for Polar and Ocean Research

FeatureDetails
LocationVasco da Gama, Goa
UnderMinistry of Earth Sciences (MoES)
RolePlans, promotes, and executes India's research in the polar regions (Arctic, Antarctic), the Southern Ocean, and the Himalayas
ExpeditionsIndia has conducted 43+ Antarctic expeditions since 1981

India's Arctic Policy (2022)

FeatureDetails
ReleasedMarch 2022
Title"India and the Arctic: Building a Partnership for Sustainable Development"
Six pillarsScience and research, Climate and environment, Economic and human development, Transportation and connectivity, Governance and international cooperation, National capacity building
Key focusClimate change research, Arctic resource assessment, Northern Sea Route potential, and strengthening India's scientific presence through Himadri

Prelims Tip: India's three Antarctic stations — Dakshin Gangotri (1983, now decommissioned), Maitri (1989), and Bharati (2012). India's Arctic station — Himadri (2008, Svalbard, Norway). All managed by NCPOR (Goa) under MoES.


Major Disputed Territories

South China Sea — Nine-Dash Line

FeatureDetails
WhatChina claims "historic rights" over most of the South China Sea, demarcated by the nine-dash line (originally eleven-dash line)
ClaimantsChina, Taiwan, Vietnam, Philippines, Malaysia, Brunei
Key featuresSpratly Islands, Paracel Islands, Scarborough Shoal
Strategic importance~$3.4 trillion in trade passes through annually; rich fisheries; potential oil and gas reserves
2016 ArbitrationThe Permanent Court of Arbitration (The Hague) ruled that China's nine-dash line has no legal basis under UNCLOS; China rejected the ruling
UNCLOS relevanceThe ruling affirmed that maritime entitlements are based on UNCLOS, not historical claims

Other Major Disputed Territories

DisputeBetweenKey Details
CrimeaRussia vs UkraineAnnexed by Russia in 2014; internationally recognised as part of Ukraine by most countries
KashmirIndia vs Pakistan vs ChinaIndia claims entire J&K; Pakistan controls Pakistan-occupied Kashmir (PoK); China controls Aksai Chin
Falkland IslandsUK vs ArgentinaUK controls; Argentina claims sovereignty; 1982 Falklands War; known as Islas Malvinas in Argentina
Kuril IslandsRussia vs JapanControlled by Russia since 1945; Japan claims the four southernmost islands (Northern Territories)
Golan HeightsIsrael vs SyriaCaptured by Israel in 1967 Six-Day War; annexed in 1981; US recognised Israeli sovereignty in 2019
Western SaharaMorocco vs Sahrawi Arab Democratic Republic (Polisario Front)Morocco controls most of the territory; UN considers it a non-self-governing territory
Senkaku/Diaoyu IslandsJapan vs China vs TaiwanAdministered by Japan; claimed by China and Taiwan; uninhabited rocky islands in the East China Sea
Taiwan StraitChina vs TaiwanChina considers Taiwan a breakaway province; Taiwan functions as independent state; major US-China tension point

Important International Boundary Lines

Boundary LineBetweenKey Details
Durand LineAfghanistan – PakistanDrawn in 1893 by Sir Mortimer Durand; 2,640 km; Afghanistan does not recognise it as an official international boundary
McMahon LineIndia – China (in Arunachal Pradesh)Proposed by Sir Henry McMahon at the Shimla Conference in 1914; China does not accept it; basis of the India-China border dispute in the eastern sector
Radcliffe LineIndia – Pakistan (and India – Bangladesh)Drawn by Sir Cyril Radcliffe in 1947 for the partition of British India into India and Pakistan (West and East)
Line of Control (LoC)India – Pakistan (Kashmir)De facto border in Kashmir since the Simla Agreement of 1972; not an internationally recognised boundary
Line of Actual Control (LAC)India – ChinaDe facto border; approximately 3,488 km; not clearly demarcated; source of frequent standoffs (Doklam 2017, Galwan 2020)
38th ParallelNorth Korea – South KoreaDivided Korea after WWII (1945); de facto border after the Korean War (1950–53); Demilitarised Zone (DMZ) runs roughly along it
49th ParallelUSA – Canada (western border)Agreed in 1818 (Convention of 1818); one of the world's longest undefended international borders
17th ParallelFormerly North Vietnam – South VietnamDivided Vietnam after the Geneva Accords (1954); reunified in 1975 after the Vietnam War
Maginot LineFrance – GermanyFrench fortification line built in the 1930s along the Franco-German border; bypassed by Germany in WWII via Belgium
Oder-Neisse LineGermany – PolandPost-WWII border established in 1945; defines Germany's eastern boundary with Poland
Hindenburg LineGermany – France (WWI)German defensive position in WWI (1917); also refers to the ceasefire line between India and Pakistan before 1972 (now LoC)

Prelims Tip: Do not confuse these boundary lines — Durand Line (Afghanistan-Pakistan, 1893), McMahon Line (India-China, 1914), Radcliffe Line (India-Pakistan partition, 1947). The LAC (India-China) is distinct from the McMahon Line — the LAC is the de facto border across the entire India-China frontier, while the McMahon Line specifically refers to the eastern sector (Arunachal Pradesh).


UNCLOS — Key Provisions for Boundary Disputes

ZoneDistance from BaselineRights
Territorial Sea0–12 nautical milesFull sovereignty; innocent passage allowed for foreign ships
Contiguous Zone12–24 nautical milesEnforcement of customs, fiscal, immigration, and sanitary laws
Exclusive Economic Zone (EEZ)0–200 nautical milesSovereign rights over natural resources (fishing, mining, energy); freedom of navigation for all states
Continental ShelfUp to 200 nm (extendable under Article 76)Sovereign rights over seabed and subsoil resources
High SeasBeyond 200 nm (or extended shelf)Freedom of navigation, fishing, scientific research; no state sovereignty

Article 76 allows coastal states to claim an Extended Continental Shelf beyond 200 nm if they can prove the seabed is a natural prolongation of their land territory. This is the basis of Russia's Arctic claim over the Lomonosov Ridge and overlapping claims in the Arctic Ocean.


Frequently Asked Questions (Prelims Pattern)

QuestionAnswer
How many members does the Arctic Council have?8 member states
When did India get Arctic Council observer status?2013
Name India's Antarctic research stations.Maitri (1989) and Bharati (2012); Dakshin Gangotri (1983, decommissioned)
Where is India's Arctic station Himadri?Ny-Alesund, Svalbard, Norway (est. 2008)
When was the Antarctic Treaty signed?1 December 1959 (entered into force 1961)
What does the Madrid Protocol ban?Mining and mineral resource activities in Antarctica
Until when is the Madrid Protocol mining ban in effect?At least 2048 (50 years from 1998 entry into force)
What is the nine-dash line?China's claimed boundary over most of the South China Sea
What was the 2016 SCS arbitration ruling?The nine-dash line has no legal basis under UNCLOS
What is the Durand Line?Boundary between Afghanistan and Pakistan (1893)
What is the McMahon Line?Boundary between India and China in the eastern sector (1914)
What is the 38th Parallel?Divides North and South Korea
What is the 49th Parallel?Part of the USA-Canada border
What is UNCLOS Article 76 about?Extended Continental Shelf claims beyond 200 nm

Global Strategic Chokepoints

Understanding maritime chokepoints is essential for geopolitics — control over these narrow passages confers immense strategic leverage.

ChokepointLocationConnectsStrategic Significance
Strait of HormuzBetween Iran and Oman/UAEPersian Gulf to Gulf of Oman~20% of world's oil passes through; vital for energy security
Strait of MalaccaBetween Malaysia, Singapore, and IndonesiaIndian Ocean to Pacific Ocean~25% of global trade; India's energy imports route
Suez CanalEgyptMediterranean Sea to Red Sea~12% of global trade; opened 1869; expanded 2015
Panama CanalPanamaAtlantic Ocean to Pacific Ocean~5% of global trade; avoids circumnavigating South America
Bab-el-MandebBetween Yemen and DjiboutiRed Sea to Gulf of AdenKey route between Asia and Europe via Suez; Houthi disruptions (2024–25)
Turkish StraitsTurkey (Bosphorus + Dardanelles)Black Sea to Mediterranean SeaRussia's only warm-water naval access to the Mediterranean
Strait of GibraltarBetween Spain and MoroccoAtlantic Ocean to Mediterranean SeaControls entry to the Mediterranean

Mains Relevance: India's energy security depends on the Strait of Hormuz and the Strait of Malacca. As of 2025, after deliberate diversification, only ~30% of India's crude oil imports transit through the Strait of Hormuz (down from ~45% earlier), per the Ministry of Petroleum & Natural Gas. The Strait of Malacca remains the key route for trade with East and Southeast Asia. The opening of the Northern Sea Route could further reduce India's dependence on these chokepoints, which is why India's Arctic Policy (2022) emphasises NSR potential.


Climate Change and Polar Regions

ImpactArcticAntarctic
Ice lossArctic sea ice declining ~13% per decade (summer minimum); 2012 and 2020 saw record lowsAntarctic ice sheet losing ~150 billion tonnes per year; West Antarctic Ice Sheet most vulnerable
Sea level riseArctic ice melt contributes minimally (floating ice); Greenland ice sheet melt is significantAntarctic ice sheet holds enough ice to raise sea level by ~58 metres if fully melted
Permafrost thawReleases methane (potent greenhouse gas); threatens infrastructure in Arctic regionsLimited permafrost; not a major concern
BiodiversityPolar bears, walruses, Arctic foxes threatened by habitat lossPenguin colonies, krill populations affected by changing ice patterns
Geopolitical shiftNew shipping routes (NSR, Northwest Passage); resource access; sovereignty disputes intensifyRelatively stable under Antarctic Treaty; concern about post-2048 mining pressure

Key Terms for Quick Revision

TermMeaning
Arctic CouncilIntergovernmental forum for Arctic cooperation (8 members, est. 1996)
Northern Sea Route (NSR)Shipping lane along Russia's Arctic coast connecting Atlantic and Pacific oceans
Antarctic Treaty (1959)International agreement dedicating Antarctica to peaceful purposes and scientific research
Madrid Protocol (1991)Protocol banning mining in Antarctica; designates it a "natural reserve devoted to peace and science"
NCPORNational Centre for Polar and Ocean Research, Goa — manages India's polar research
HimadriIndia's Arctic research station at Ny-Alesund, Svalbard (2008)
MaitriIndia's Antarctic research station at Schirmacher Oasis (1989)
BharatiIndia's Antarctic research station at Larsemann Hills (2012)
UNCLOSUnited Nations Convention on the Law of the Sea — governing framework for maritime zones and rights
EEZExclusive Economic Zone — up to 200 nm from baseline; sovereign rights over resources
Article 76UNCLOS provision allowing Extended Continental Shelf claims beyond 200 nm
Nine-Dash LineChina's claimed boundary in the South China Sea; ruled without legal basis by PCA (2016)
Durand LineAfghanistan-Pakistan boundary (1893); not recognised by Afghanistan
McMahon LineIndia-China boundary in eastern sector (1914); not accepted by China
Radcliffe LineIndia-Pakistan boundary drawn during partition (1947)
LoCLine of Control — de facto border between India and Pakistan in Kashmir (since 1972 Simla Agreement)
LACLine of Actual Control — de facto border between India and China; approximately 3,488 km; not clearly demarcated
ChokepointNarrow strategic waterway through which a large volume of maritime trade passes
PermafrostPermanently frozen ground (at or below 0 degree C for at least two consecutive years); stores vast amounts of methane
Svalbard Treaty (1920)Grants Norway sovereignty over Svalbard but allows all signatories (including India) to conduct research and economic activity

Recent Developments (2024–2026)

Arctic Militarisation — Russia–China NSR Partnership and NATO's High North Response (2024–2025)

Russia's Northern Sea Route (NSR) logged 38 million tonnes of cargo in 2024, with Moscow actively promoting it as an alternative to Suez for China-Europe trade. In May 2024, Russia and China formally established an intergovernmental Sub-Commission on NSR Development — coordinating port infrastructure investment, digital ice-navigation data sharing, and Chinese-flagged transit expansion along the NSR. This Russia–China Arctic axis represents a direct challenge to Western maritime dominance: if the NSR becomes fully operational year-round (projected post-2030 as Arctic ice retreats), shipping distances between East Asia and Europe shrink by 30–40% compared to the Suez route. In response, Norway, Finland, and Sweden announced a trilateral military transport corridor in June 2024 to streamline NATO logistics in the High North. NATO still lacks a dedicated Arctic strategy (EU last updated its Arctic strategy in 2021, pre-Ukraine invasion). India's Arctic engagement deepened: in June 2025, India signed an agreement with Kongsberg Maritime and GRSE to co-develop its first indigenous Polar Research Vessel — a major step beyond the seasonal Himadri operations at Ny-Ålesund, Svalbard.

UPSC angle: NSR as an emerging trade route, India's Arctic Policy 2022, and India's three polar stations (Himadri-Arctic, Maitri-Antarctic, Bharati-Antarctic) are standard Prelims facts. For Mains, Russia–China Arctic cooperation and its implications for India's strategic autonomy in a multipolar world is a high-value GS2 topic.

Antarctic Governance Under Pressure — Madrid Protocol, Climate Data, and India's Deep South Research (2024–2025)

The Antarctic Treaty System remains robust: the 2025 Antarctic Treaty Consultative Meeting (ATCM) reaffirmed the Madrid Protocol's mining ban and "natural reserve" status. However, climate change is imposing unprecedented stress on Antarctic ice: February 2023 set the all-time record low Antarctic sea-ice extent at 1.79 million km², and February 2024 tied for the second-lowest on record at 1.99 million km² — roughly 1 million km² below the 1981–2010 average. The period 2022–2024 saw three consecutive Antarctic sea-ice summer minimums below 2.0 million km². West Antarctic Ice Sheet (WAIS) destabilisation, if complete, could raise global sea levels by 3.3 metres. India's 44th Scientific Expedition to Antarctica (2024–25 season) operated from Bharati (Larsemann Hills) and Maitri (Schirmacher Oasis), with NCPOR (Goa) managing data on ice cores, atmospheric CO₂, and Southern Ocean currents — directly relevant to India's monsoon modelling and coastal vulnerability assessments.

UPSC angle: Antarctic Treaty (1959), Madrid Protocol (1991), ATCM, India's polar stations and their locations, and the implications of Antarctic ice loss for sea-level rise and Indian Ocean dynamics are all high-frequency UPSC topics, especially post-2023 when sea-ice records were broken.


Sources: Arctic Council (arctic-council.org); Wikipedia (Arctic Council, Antarctic Treaty, Nine-dash line, Durand Line); PIB (pib.gov.in — India's polar programme, Arctic Policy 2022); NCPOR (ncpor.res.in — Himadri, Bharati, Maitri); Britannica; PCA (South China Sea Arbitration); UNCLOS text (un.org); The Arctic Institute; Insights on India (coastline revision).