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11 September 2026 • UPSC CSE

Read the news. Test the concept. Write the Mains answer.

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NEWS 1GS-2 • International Relations / Global Governance / Global SouthSource: The Hindu

BRICS Summit: Global Conflicts Dominate the Agenda

Context: The 18th BRICS Summit in New Delhi (September 12–13) comes amid the West Asia conflict, Ukraine war and disruptions in energy and food supply chains.

Prelims Notes

Topic
GS-2 • International Relations / Global Governance / Global South
Key Terms
Focus on the institutions, locations, legal provisions, strategic concepts and factual details covered below.

Context

The 18th BRICS Summit in New Delhi (September 12–13) comes amid the West Asia conflict, Ukraine war and disruptions in energy and food supply chains.

Leaders including Putin and Xi Jinping are expected; the summit provides India a platform to address conflicts and wider Global South concerns.

BRICS — Basics

BRICS
Originally Brazil, Russia, India, China + South Africa; first leaders’ summit in 2009, with South Africa joining in 2011.
Expanded grouping
Now includes 11 full members, reflecting its growing economic and geopolitical weight.
Nature
Informal, consensus-based forum; no treaty, permanent secretariat or military alliance.
Three broad pillars
Political-security, economic-financial, and people-to-people cooperation.
NDB
BRICS’ key financial institution for infrastructure and sustainable-development financing.

Why BRICS Matters for India

Global South leadership
Platform to articulate interests of developing countries and strengthen India’s diplomatic influence.
Strategic autonomy
Enables engagement with Russia, China and other major powers without joining a formal bloc.
Global governance reform
Supports greater representation of developing countries in UNSC, IMF and World Bank.
Economic resilience
Scope for cooperation in trade, development finance, energy, food security and critical supply chains.
De-dollarisation debate
Provides space to promote local-currency settlement and alternative financial mechanisms, reducing vulnerability to external financial shocks.
China engagement
BRICS provides an institutional channel for dialogue with China despite bilateral tensions.
Multipolarity
Supports India’s objective of a balanced, multipolar international order.

Challenges for India

China factor
China’s economic and political weight can influence the grouping and may conflict with India’s interests.
Russia–West tensions
India must balance BRICS engagement with its relations with the US and Europe.
Divergent interests
Members differ substantially on Ukraine, West Asia, trade and global security.
Expansion dilemma
Larger membership increases representation but makes consensus and effective coordination harder.
Limited institutionalisation
Informal structure can restrict implementation of collective decisions.
Risk of anti-West perception
India needs BRICS to remain a platform for cooperation, not bloc confrontation.

Way Forward for India

Use BRICS as a platform for issue-based cooperation, not ideological alignment.
Build consensus on development, energy/food security, counter-terrorism and global governance reform.
Strengthen the NDB and practical economic cooperation.
Maintain strategic autonomy by deepening both BRICS and India’s partnerships with the US, EU, Quad and other groupings.
Key Takeaway: BRICS: informal, consensus-based forum; no treaty, permanent secretariat or military alliance.

Prelims Practice MCQ

+2 correct • −0.66 wrong

Which one of the following correctly describes BRICS as presented in the current-affairs note?

Explanation: BRICS is described as an informal, consensus-based forum with no treaty, permanent secretariat or military alliance.

UPSC Mains Question

15 marks • 250 words

Examine the role of BRICS in advancing India’s strategic autonomy and Global South priorities in an increasingly multipolar world.

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  • BRICS: informal, consensus-based forum; no treaty, permanent secretariat or military alliance.
  • India uses BRICS for Global South leadership, strategic autonomy and global governance reform.
  • NDB supports infrastructure and sustainable-development financing.
  • Key challenge: balancing engagement with China/Russia while retaining partnerships with the U.S., EU and Quad.
NEWS 2GS-2 • International Relations / Global Security / Changing World OrderSource: The Hindu

A Unilateral America in a Post-Unipolar World

Context: After 25 years of U.S. interventions following 9/11, military dominance remains strong but unilateral ability to shape regional and global outcomes has weakened.

Prelims Notes

Topic
GS-2 • International Relations / Global Security / Changing World Order
Key Terms
Focus on the institutions, locations, legal provisions, strategic concepts and factual details covered below.

Context

9/11 (2001) came when the U.S. was the world’s dominant power following the Cold War.

The War on Terror initially targeted al-Qaeda and the Taliban but gradually expanded into regime-change wars in Afghanistan, Iraq and Libya.

After 25 years, the interventions have produced a paradox: U.S. military dominance survived, but its ability to unilaterally shape regional and global outcomes weakened.

How U.S. Interventions Reshaped Geopolitics

Afghanistan
Taliban was removed but not defeated → regrouped → U.S. withdrawal in 2021 → Taliban returned to power.
Iraq
Saddam’s removal eliminated a buffer against Iran → Iranian influence expanded → instability enabled the rise of Al-Qaeda in Iraq and subsequently ISIS.
Libya
Gaddafi’s overthrow → state fragmentation and militia rule → weapons and jihadist networks spread towards the Sahel.
West Asia
The 2023 Hamas attack and subsequent regional escalation again drew the U.S. into conflicts despite its attempts to reduce its regional footprint.
Overall
Regime-change interventions created power vacuums, strengthening non-state actors and increasing the influence of regional and external rivals.

Emergence of a Post-Unipolar Order

China
Economic and military rise has created a major alternative pole of power and increasingly challenges U.S. primacy.
Russia
U.S. retrenchment was perceived as weakening; Russia subsequently challenged the European security order through the 2022 invasion of Ukraine.
West Asia
Persistent instability has limited Washington’s ability to disengage from the region.
Europe
NATO remains important, but differences over U.S. commitments and burden-sharing have created strains in the transatlantic relationship.
Result
The world has shifted from the post-Cold War unipolar moment towards competitive multipolarity.

Strategic Lessons

Power without legitimacy/stability
Military intervention can remove regimes but cannot easily construct sustainable political orders.
Strategic overreach
Excessive commitments across multiple theatres can weaken long-term strategic flexibility.
Power vacuums
Collapse of state institutions can produce terrorism, civil conflict and rival-power expansion.
Unintended consequences
U.S. interventions indirectly strengthened Iranian influence, jihadist groups and strategic opportunities for Russia and China.
New reality
The U.S. remains the strongest military power, but global politics increasingly requires coalition-building, diplomacy and accommodation of multiple power centres.
Key Takeaway: Afghanistan: Taliban removed but not defeated; returned to power after the 2021 withdrawal.

Prelims Practice MCQ

+2 correct • −0.66 wrong

Which development is identified as an unintended geopolitical consequence of the U.S. intervention in Iraq?

Explanation: The note states that removing Saddam Hussein eliminated a buffer against Iran, allowing Iranian influence to expand amid wider instability.

UPSC Mains Question

15 marks • 250 words

The experience of U.S. interventions after 9/11 illustrates the limits of military power in shaping sustainable political orders. Discuss.

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  • Afghanistan: Taliban removed but not defeated; returned to power after the 2021 withdrawal.
  • Iraq: Saddam’s removal eliminated a buffer against Iran and contributed to wider instability and the rise of Al-Qaeda in Iraq/ISIS.
  • Libya: regime collapse produced fragmentation, militia rule and spread of weapons/jihadist networks.
  • Post-unipolar trend: competitive multipolarity requires coalition-building, diplomacy and accommodation of multiple power centres.
NEWS 3GS-2 • West Asia / Maritime Security / International Relations; GS-3 • Energy SecuritySource: The Hindu

Houthis Seize Mokha, Advance Towards Bab el-Mandeb

Context: Houthi forces have seized the strategic Yemeni port city of Mokha and are advancing towards the Bab el-Mandeb Strait amid renewed fighting.

Prelims Notes

Topic
GS-2 • West Asia / Maritime Security / International Relations; GS-3 • Energy Security
Key Terms
Focus on the institutions, locations, legal provisions, strategic concepts and factual details covered below.

Context

Houthi forces have seized the strategic Yemeni port city of Mokha (Mocha) on the Red Sea and are advancing towards the Bab el-Mandeb Strait, amid renewed fighting with Saudi-backed Yemeni government forces.

The Houthis have also reportedly captured Zuqar Island in the southern Red Sea after missile attacks followed by a boat-borne assault.

Location & Strategic Importance

Mokha
Port city on Yemen’s western coast, in Taiz Governorate, about 80 km north of Bab el-Mandeb. Its location gives access to the Red Sea shipping corridor.
Zuqar Island
Yemeni island in the southern Red Sea, part of the Hanish Islands, situated between Yemen and Eritrea and close to Bab el-Mandeb.
Bab el-Mandeb
Strategic chokepoint between Yemen (Asia) and Djibouti–Eritrea (Africa), connecting the Red Sea with the Gulf of Aden → Arabian Sea → Indian Ocean.
Suez connection
Ships travelling between Asia and Europe through the Indian Ocean normally pass Bab el-Mandeb → Red Sea → Suez Canal → Mediterranean Sea.
Therefore, Houthi control of Mokha and nearby islands brings them closer to influencing this critical global maritime corridor.

Concerns for Global Trade & Security

Shipping disruption
Greater Houthi control could threaten commercial vessels and force ships to take longer routes around the Cape of Good Hope.
Energy security
Disruption of the Red Sea–Suez route can increase oil prices, freight costs and delivery times.
Geopolitical leverage
Control around Bab el-Mandeb could give the Houthis and their Iranian backers greater leverage in the wider West Asian conflict.
Saudi–Houthi escalation
Renewed fighting risks reversing years of relative calm and pushing Yemen back towards a broader civil war.
India
The route is important for India’s trade with Europe, energy supplies and Indian Ocean maritime security.
Key Takeaway: Mokha lies on Yemen’s western coast, about 80 km north of Bab el-Mandeb.

Prelims Practice MCQ

+2 correct • −0.66 wrong

The Bab el-Mandeb Strait connects which maritime regions in the route described in the note?

Explanation: Bab el-Mandeb connects the Red Sea with the Gulf of Aden and onward to the Arabian Sea and Indian Ocean.

UPSC Mains Question

15 marks • 250 words

The strategic importance of Bab el-Mandeb extends beyond West Asian geopolitics to global trade and India’s energy security. Discuss.

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  • Mokha lies on Yemen’s western coast, about 80 km north of Bab el-Mandeb.
  • Bab el-Mandeb is a chokepoint between Yemen and Djibouti–Eritrea, linking the Red Sea with the Gulf of Aden and Indian Ocean.
  • Disruption can raise oil prices, freight costs and delivery times.
  • For India, the corridor matters for Europe-bound trade, energy supplies and Indian Ocean maritime security.
NEWS 4GS-3 • Space Technology / Space Economy; GS-2 • International CooperationSource: The Hindu

International Space Summit: Cooperation for a Safe & Sustainable Space

Context: The International Space Summit in Paris on September 9–10, 2026 brought governments, space agencies and industry together on space exploration, economy and security.

Prelims Notes

Topic
GS-3 • Space Technology / Space Economy; GS-2 • International Cooperation
Key Terms
Focus on the institutions, locations, legal provisions, strategic concepts and factual details covered below.

Context

The International Space Summit, hosted by France in Paris on September 9–10, 2026, brought together governments, space agencies, industry and other stakeholders to discuss the future of space exploration, the space economy and space security.

PM Modi, addressing the summit virtually, called for “cooperation over confrontation”, sustainable use of space and wider sharing of its benefits.

Why Space Cooperation Matters

Crowded orbits
Growing number of satellites and space actors → risks of space debris, collisions and orbital congestion.
Dual-use nature
Space technologies serve both civilian applications and strategic/security purposes, increasing the need for responsible behaviour.
Global commons
Safe and sustainable access requires international rules, data-sharing and coordination.
Summit themes included space economy, exploration and innovation, and space security through dialogue and partnerships.
A summit declaration reaffirmed the objective of a peaceful, secure, safe, stable and sustainable outer space and adherence to the 1967 Outer Space Treaty.

India’s Space Vision & International Role

ISRO
India has placed 430+ payloads from 34 countries, reflecting its growing role in international launch services.
Societal applications
Satellites support weather forecasting, agriculture, fisheries, navigation and disaster management.
Major achievements
Chandrayaan-3 lunar landing, Aditya-L1 solar mission and an Indian astronaut’s ISS mission in 2025.
Future roadmap
Indigenous space station by 2035 and an Indian astronaut on the Moon by 2040.
Private sector
Growing participation of Indian space startups alongside ISRO is expanding India’s commercial space ecosystem.
France–India cooperation
Long-standing partnership since the 1960s, now extending to Earth observation, advanced technologies and human-spaceflight-related cooperation.
Key Takeaway: Growing satellite activity creates risks of debris, collisions and orbital congestion.

Prelims Practice MCQ

+2 correct • −0.66 wrong

Which international legal instrument is specifically reaffirmed in the declaration discussed at the International Space Summit?

Explanation: The summit declaration reaffirmed a peaceful, secure, safe, stable and sustainable outer space and adherence to the 1967 Outer Space Treaty.

UPSC Mains Question

15 marks • 250 words

Growing space activity requires international cooperation to ensure safe, secure and sustainable use of outer space. Discuss India’s role.

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  • Growing satellite activity creates risks of debris, collisions and orbital congestion.
  • Space technologies are dual-use, serving both civilian and strategic purposes.
  • 1967 Outer Space Treaty remains a core framework for peaceful and sustainable outer-space use.
  • India’s ecosystem combines ISRO, international launch services, societal applications and expanding private-sector participation.
NEWS 5GS-2 • International Relations; GS-3 • International Trade / Economic SecuritySource: The Hindu

U.S.–Canada Trade Dispute: Lessons for India

Context: The U.S.–Canada trade relationship has deteriorated over tariffs and negotiations, showing that deep economic integration does not guarantee predictable trade relations.

Prelims Notes

Topic
GS-2 • International Relations; GS-3 • International Trade / Economic Security
Key Terms
Focus on the institutions, locations, legal provisions, strategic concepts and factual details covered below.

Context

The U.S.–Canada trade relationship, despite decades of deep economic integration, has deteriorated sharply over tariffs and trade negotiations.

The U.S. has imposed 50% tariffs on several Canadian imports, while Canada has responded with retaliatory tariffs; Washington has also moved towards restrictions on selected Canadian goods.

The episode demonstrates that economic interdependence and strategic partnership do not guarantee predictable trade relations.

What Canada’s Experience Shows

Deep integration is not sufficient
Canada is highly integrated with the U.S. market and supplies critical inputs such as oil, aluminium and lumber, yet remains vulnerable to unilateral U.S. trade measures.
Trade agreements have limits
Even long-standing arrangements such as NAFTA/USMCA cannot completely insulate partners from changing domestic political and economic priorities.
Economic dependence creates vulnerability
Heavy dependence on one market can reduce bargaining power when the larger partner uses tariffs and market access as negotiating instruments.
Diversification becomes strategic
Canada is increasingly looking towards alternative markets and domestic economic resilience to reduce excessive dependence on the U.S.

Lessons for India–U.S. Trade

Do not equate a trade deal with permanent tariff stability
India should assess whether negotiated concessions will provide durable benefits or merely postpone future tariff demands.
Cost–benefit before market opening
Any agreement should balance greater U.S. market access with its implications for Indian agriculture, MSMEs, manufacturing, employment and strategic sectors.
Protect competitive advantage
India should secure concessions that genuinely improve its position vis-à-vis Vietnam, Mexico, China and other competing exporters.
Preserve policy space
Negotiations should protect India’s ability to pursue legitimate industrial, agricultural, labour and developmental policies.
Diversify markets and supply chains
Greater engagement with the EU, ASEAN, Africa, West Asia and other markets can reduce vulnerability to unilateral trade actions.
Build domestic competitiveness
Trade diplomacy must be complemented by stronger manufacturing capacity, infrastructure, productivity and export competitiveness. India’s Parliamentary Standing Committee has similarly stressed export infrastructure, supply-chain integration and competitiveness while protecting Indian interests in the U.S. relationship.
Key Takeaway: NAFTA/USMCA cannot completely insulate partners from changing domestic political and economic priorities.

Prelims Practice MCQ

+2 correct • −0.66 wrong

What is the principal trade-policy lesson for India highlighted by the U.S.–Canada dispute?

Explanation: The note recommends diversification of markets and supply chains alongside stronger manufacturing, infrastructure, productivity and export competitiveness.

UPSC Mains Question

15 marks • 250 words

Deep economic interdependence can coexist with trade vulnerability. What lessons should India draw from the U.S.–Canada trade dispute?

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  • NAFTA/USMCA cannot completely insulate partners from changing domestic political and economic priorities.
  • Heavy dependence on one market can reduce bargaining power.
  • India should diversify markets across the EU, ASEAN, Africa, West Asia and others.
  • Trade diplomacy should protect policy space and be backed by domestic manufacturing, infrastructure and export competitiveness.
NEWS 6GS-3 • Environment & Ecology; GS-2 • International Law / GovernanceSource: The Hindu

Ecocide: Towards Criminalising Severe Environmental Destruction

Context: Concerns over the proposed Tara coal-block auction in Hasdeo-Aranya have renewed debate on whether severe ecological destruction should attract criminal liability.

Prelims Notes

Topic
GS-3 • Environment & Ecology; GS-2 • International Law / Governance
Key Terms
Focus on the institutions, locations, legal provisions, strategic concepts and factual details covered below.

Context — Hasdeo-Aranya

The proposed Tara coal-block auction in Chhattisgarh’s Hasdeo-Aranya has raised concerns over the destruction of 4,000+ acres of dense forest and threats to biodiversity and elephant corridors.

It brings into focus the emerging debate on “ecocide” — whether extreme ecological destruction should attract criminal liability.

Ecocide — Concept & Legal Status

Ecocide
Serious environmental destruction causing severe and widespread or long-term ecological damage.
It is proposed as a fifth international crime, alongside genocide, crimes against humanity, war crimes and aggression.
ICC
Not yet a standalone crime under the Rome Statute; however, Article 8(2)(b)(iv) criminalises certain wartime acts causing widespread, long-term and severe environmental damage.
International push
Vanuatu has advocated adding ecocide to the Rome Statute.
National level
Countries such as France have introduced forms of ecocide-related criminal liability.
India
No standalone ecocide offence; environmental harm is dealt with through the Environment (Protection) Act, 1986, forest/wildlife laws and NGT framework.

Why It Matters

Accountability
Moves extreme environmental destruction from a regulatory violation towards criminal responsibility.
Deterrence
Creates stronger consequences for deliberate or reckless ecological damage.
Biodiversity & climate
Protects ecosystems whose destruction can be irreversible and long-term.
Intergenerational justice
Recognises the rights of future generations to ecological security.
Development–environment balance
Reinforces that development cannot justify wanton ecological destruction.
Global governance
Could establish a stronger international norm for protecting the environment as a common global interest.
Key Takeaway: Ecocide is proposed as a fifth international crime alongside genocide, crimes against humanity, war crimes and aggression.

Prelims Practice MCQ

+2 correct • −0.66 wrong

What is the present legal status of ecocide under the Rome Statute, as described in the note?

Explanation: The note states that ecocide is not yet a standalone Rome Statute crime; Article 8(2)(b)(iv) covers certain wartime acts causing widespread, long-term and severe environmental damage.

UPSC Mains Question

15 marks • 250 words

Should severe environmental destruction be recognised as an international crime of ecocide? Examine the legal and governance dimensions.

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  • Ecocide is proposed as a fifth international crime alongside genocide, crimes against humanity, war crimes and aggression.
  • The ICC Rome Statute does not currently recognise ecocide as a standalone crime.
  • Article 8(2)(b)(iv) covers certain wartime environmental destruction.
  • India currently addresses environmental harm through the Environment (Protection) Act, forest/wildlife laws and the NGT framework.
NEWS 7GS-1 • Physical Geography; GS-3 • Space Science & TechnologySource: AP

Mercury Is Shrinking Faster Than Previously Estimated

Context: A new study estimates that Mercury has contracted about 30% more than previously believed, implying a possible diameter reduction of up to 23 km.

Prelims Notes

Topic
GS-1 • Physical Geography; GS-3 • Space Science & Technology
Key Terms
Focus on the institutions, locations, legal provisions, strategic concepts and factual details covered below.

Context

A new study estimates that Mercury has contracted about 30% more than previously believed, implying a possible diameter reduction of up to 23 km.

The finding provides new evidence about Mercury’s internal cooling and geological evolution over billions of years.

Why Is Mercury Shrinking?

Mercury formed about 4.5 billion years ago and has gradually lost its internal heat.
Its unusually large iron core is cooling and contracting.
Core cooling → contraction of the interior → compression of mantle & crust → surface shortening.
This produces lobate scarps and wrinkle-like geological features on the surface.
Therefore, Mercury’s shrinking is a consequence of long-term planetary cooling, not sudden geological collapse.

What the New Study Reveals

Earlier estimates relied mainly on visible contraction-related faults mapped by NASA’s MESSENGER.
Researchers found that some wrinkles may be buried beneath impact debris, especially in rough terrain.
Accounting for these hidden features indicates that Mercury has undergone greater contraction than previously estimated.
BepiColombo (ESA–JAXA) will provide further observations to refine understanding of Mercury’s surface and interior.

Implications of Mercury’s Shrinkage

Planetary evolution
Confirms that Mercury’s interior is undergoing long-term thermal cooling and contraction.
Geological activity
Shows that Mercury’s surface preserves evidence of internal planetary processes, despite being an ancient, heavily cratered world.
Interior structure
The extent of contraction provides clues about the size, composition and thermal history of Mercury’s core.
Understanding terrestrial planets
Helps scientists understand how rocky planets lose internal heat and evolve, with implications for comparative planetary science.
Future research
Mapping contraction features can help determine whether Mercury has experienced recent or ongoing tectonic activity.
Broader significance
Studying Mercury’s cooling process helps explain why planets with different size, core composition and heat budgets evolve differently.
Key Takeaway: Mercury formed about 4.5 billion years ago and has gradually lost internal heat.

Prelims Practice MCQ

+2 correct • −0.66 wrong

What is the primary physical process behind Mercury’s shrinking described in the study?

Explanation: Mercury’s internal heat has been lost over time; its unusually large iron core cools and contracts, causing interior compression and surface shortening.

UPSC Mains Question

10 marks • 150 words

Explain how the cooling of Mercury’s interior produces surface contraction and what this reveals about the evolution of terrestrial planets.

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  • Mercury formed about 4.5 billion years ago and has gradually lost internal heat.
  • Cooling of its unusually large iron core causes contraction and surface shortening.
  • Lobate scarps and wrinkle-like features preserve evidence of contraction.
  • BepiColombo will provide further observations of Mercury’s surface and interior.

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