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Short entries on the news across the whole UPSC syllabus, each filed by topic and subtopic and marked for Prelims or Mains.

Latest digest: 1 to 14 September 2026, published Tuesday, 15 September 2026.

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6 items · all dates · International Relations

Full coverage of International Relations is coming soon. The items below touch on it.

Environment › Climate negotiations and finance

Also: International Relations › Neighbourhood

2 Sep 2026

Loss and damage: Nepal seeks climate compensation from major emitters, and India responds

After the 26 August disaster, Nepal's Foreign Minister said China, the United States and India, the major emitters, had a historical responsibility to compensate vulnerable nations like Nepal. Nepal wrote to the UN's Fund for Responding to Loss and Damage. The minister later denied seeking compensation.

India's reply

  • India invoked common but differentiated responsibilities and respective capabilities, with developed countries leading on emissions cuts, finance and technology.
  • Nepal produces about 0.1 per cent of global emissions.
  • India's per capita emissions, around 2 tonnes a year, are about half the global average.

A small fund

About $822 millionPledged to the fund

$5 to 20 millionCap on each grant in the pilot phase

$4.78 billionNepal's reconstruction bill

From The Hindu, 5 and 12 September 2026
  • Contributions are voluntary, and the United States has pulled out.
  • The decision adopting the Paris Agreement says Article 8 gives no basis for liability or compensation.

Loss and damage in the climate regime

  1. 2013

    COP19 in Warsaw sets up the Warsaw International Mechanism for Loss and Damage.

  2. 2015

    Article 8 of the Paris Agreement recognises averting, minimising and addressing loss and damage.

  3. 2019

    COP25 creates the Santiago Network to give technical help to vulnerable countries.

  4. 2022

    COP27 in Sharm el-Sheikh agrees to set up a fund for loss and damage.

  5. 2023

    COP28 in Dubai operationalises the fund, hosted for now by the World Bank.

From The Hindu, 5 September 2026, and The Indian Express, 9 September 2026; earlier dates are from UNFCCC decisions

PrelimsMains

Environment › Climate negotiations and finance

Also: International Relations › Regional groupings

12 Sep 2026

BRICS New Delhi Declaration: what it says on climate, energy, health and technology

Leaders of the eleven BRICS countries adopted the New Delhi Declaration at the 18th BRICS Summit, held under India's chairship on 12 and 13 September.

UPSC has asked

  • Prelims 2025: BRICS summits and membership
  • Prelims 2014: BRICS summits and membership

What the declaration commits to

Climate
  • Opposes carbon border adjustment mechanisms as unilateral trade measures
  • Backs the Paris Agreement on the principle of CBDR-RC
  • A BRICS Carbon Markets Partnership, and support for Ethiopia's COP32 presidency
Energy
  • Fossil fuels keep an important role in developing economies
  • Just, orderly, equitable and inclusive transitions, with technological neutrality
  • Diversified critical mineral supply chains, with sovereign rights preserved
Health
  • A working group for an Integrated Early Warning System on mass infectious diseases
  • Support for negotiating PABS under the WHO Pandemic Agreement
  • Mental health centres coordinated by NIMHANS, and a TCIM working group
Technology
  • Progress on the Remote Sensing Satellite Constellation
  • Terms of reference being drafted for a BRICS Space Council
  • Cooperation in quantum technologies, and proposed GRAIN research centres
Agriculture
  • AGRIN, a network on agro-inputs, genetic resources and information
  • A Global Forum on Farmers' Rights in Seed Systems
  • Continued work on a BRICS Grain Exchange
From the New Delhi Declaration as released by PIB, 12 September 2026.

CBAM, the flashpoint

  • The EU's CBAM covers steel, aluminium, cement, fertilisers, electricity and hydrogen, and entered its definitive phase in January 2026.
  • Developing exporters, India among them, call it a trade barrier.
  • The declaration calls such measures unilateral, punitive and discriminatory.
  • The declaration's climate stand rests on CBDR-RC, a principle set in the 1992 UN climate convention.

At the summit

  • Prime Minister Modi warned that the weaponisation of technology and critical minerals could hinder shared progress.
  • President Xi announced a BRICS open-source AI community led by China.

BRICS in brief

  • BRICS began as Brazil, Russia, India and China, and South Africa joined in 2010.
  • Expansions in 2024 and 2025 took it to eleven members, Indonesia the latest.

For the exam

  • Prelims: the new bodies and their full forms, RSSC, PABS, TCIM (Traditional, Complementary and Integrative Medicine) and AGRIN.
  • Mains, GS2: BRICS as a Global South voice, and India balancing between the West and China.
  • Mains, GS3: CBAM as a trade and climate question, and energy security through critical mineral supply chains.

PrelimsMains

Environment › Environmental law and institutions

Also: International Relations › Neighbourhood

6 Sep 2026Mains focus

Nepal's disaster sharpens the case for data sharing on Himalayan rivers as China presses on with its Yarlung Tsangpo dam

China is pressing on with its mega dam on the Yarlung Tsangpo, the Brahmaputra in Tibet, in a seismically active region near the Indian border. Nepal's flood disaster has renewed calls for binding data sharing on Himalayan rivers.

The dam

  • Chinese analysts project about 60 GW, over three times the Three Gorges.
  • Water may be diverted through a 40 km tunnel at the Great Bend.
  • Little is public, so India cannot judge the effect downstream.

A weak framework

  1. 1997

    UN Watercourses Convention; neither India nor China has joined

  2. 2002

    Flood season memorandum on the Brahmaputra

  3. 2005

    Flood season memorandum on the Sutlej

  4. 2017

    China stops sharing Brahmaputra data during the Doklam standoff

  5. July 2025

    Construction of the dam begins

From The Indian Express, 7 September 2026, and The Hindu, 6 September 2026
  • There is no water treaty, and the Expert Level Mechanism is only consultative.
  • India too shares data thinly with its downstream neighbours.

Why data matters

  • More than 14,000 glacial lakes dot the Tibetan Plateau, growing fastest near China's southern borders.
  • When a flood can reach a border in minutes, upstream data is part of the warning system.

Way forward

Way forward
  • Data sharing

    • A binding mechanism for regular sharing
    • Not exchanges only during disasters
  • Himalayan disaster compact

    • Transboundary monitoring
    • Warnings that reach communities
    • Development suited to fragile valleys
  • The dam

    • Joint impact assessment and monitoring
From The Indian Express, 7 and 8 September 2026

Models

Rhine
  • Technical cooperation insulated from politics
Senegal River
  • Member states jointly own their dams as common property
Mekong River Commission
  • China has stayed outside
From The Indian Express, 7 September 2026

Mains

Science and Technology › Space

Also: International Relations › Major powers

10 Sep 2026

At the first International Space Summit in Paris, India sets out three principles for space

France hosted the first International Space Summit in Paris on 9 and 10 September. Prime Minister Modi said crowded orbits call for cooperation over confrontation, sustainability over short term gain, and inclusion over exclusion, anchored in international law.

The summit

  • Its four pillars: security and defence, space sector competitiveness, regulation of activities such as space debris, and science and exploration.
  • India welcomed support for the International Telecommunication Union's framework for frequency management.

India's record

430+payloads from 34 countries launched on Indian rockets

2035target for an indigenous space station

2040target for an Indian astronaut on the Moon

From the PIB release, 10 September 2026

Partners

European Space Agency
  • Ground stations to track Gaganyaan missions
  • Talks on human spaceflight, lunar exploration and ISRO's Venus Orbiter Mission
CNES, France's space agency
  • Built Megha-Tropiques and SARAL with ISRO
  • Joint TRISHNA with ISRO: thermal infrared mission tracking land surface temperature and evapotranspiration
  • TRISHNA due on a PSLV next year
From The Hindu and PIB, September 2026

PrelimsMains

Environment › Protected areas and habitats

Also: International Relations › Major powers

1 Sep 2026

India and Germany sign a joint declaration on conserving wetlands of international importance

At the 4th Indo-German Environment Forum on 1 September, India and Germany signed a Joint Declaration of Intent on the conservation and wise use of Wetlands of International Importance, for shared wetland science, restoration and community participation.

UPSC has asked

  • Prelims 2022: wetlands as the kidneys of the Earth
  • Prelims 2014: what the Montreux Record implies

The science

  • Wetlands store floodwater, recharge groundwater, filter pollutants and hold large amounts of carbon, which is why they are called the kidneys of the landscape.

Ramsar basics

Ramsar Convention
  • Signed

    • At Ramsar, Iran, in 1971
    • Countries designate Wetlands of International Importance, or Ramsar sites
  • India

    • Joined in 1982
    • Wetlands (Conservation and Management) Rules, 2017
  • Wise use

    • Keeping a wetland's ecological character while people continue to benefit from it
  • Montreux Record

    • Sites whose ecological character is changing because of human activity
Standard facts about the Ramsar Convention, as background to the PIB release of 1 September 2026

The forum

  • Held since 2008, it is the highest level bilateral forum between India and Germany on environmental policy.

PrelimsMains

Environment › Conservation initiatives

Also: International Relations › Global institutions

2 Sep 2026Prelims focus

International Big Cat Alliance and Asian Development Bank sign MoU at tiger landscapes workshop

UPSC has asked

  • Prelims 2025: who launched the Nature Solutions Finance Hub for Asia and the Pacific

The news

  • The International Big Cat Alliance (IBCA) and the Asian Development Bank signed an MoU at a tiger landscapes workshop organised with the National Tiger Conservation Authority.
  • It framed tiger landscapes as natural capital needing integrated landscape management.

What Prelims tests

IBCA
  • Launched by India at Mysuru, April 2023
  • Marked 50 years of Project Tiger
  • Headquartered in India
  • Seven big cat species: tiger, lion, leopard, snow leopard, cheetah, jaguar, puma
ADB
  • Founded 1966
  • Headquartered in Manila
NTCA
  • Statutory body under the Wildlife (Protection) Act, 1972
  • Runs Project Tiger (1973)
From the PIB release, 2 September 2026

Prelims

Practice questions

4 Prelims and 2 Mains questions, on the most important items above.

Prelims

  1. Q1

    With reference to loss and damage in the UN climate regime, consider the following statements:

    1. 1.The Fund for Responding to Loss and Damage was operationalised at COP28 in Dubai.
    2. 2.The decision adopting the Paris Agreement makes Article 8 a basis for liability and compensation.
    3. 3.The Warsaw International Mechanism was set up at COP27.

    Which of the statements given above is/are correct?

    1. (a)1 and 2 only
    2. (b)1 only
    3. (c)2 and 3 only
    4. (d)1 and 3 only
    Show answer and explanation

    Only statement 1 is correct. Statement 2 is wrong: that decision says Article 8 gives no basis for liability or compensation. Statement 3 is wrong: the Warsaw International Mechanism was set up at COP19 in 2013; COP27 agreed to set up the fund.

    From Loss and damage: Nepal seeks climate compensation from major emitters, and India responds

  2. Q2

    With reference to the BRICS New Delhi Declaration, 2026, consider the following statements:

    1. 1.It opposes carbon border adjustment mechanisms as unilateral, punitive and discriminatory measures.
    2. 2.It calls for fossil fuels to be phased out of emerging and developing economies.
    3. 3.It supports negotiations on Pathogen Access and Benefit Sharing under the WHO Pandemic Agreement.

    Which of the statements given above are correct?

    1. (a)1 and 2 only
    2. (b)1 and 3 only
    3. (c)2 and 3 only
    4. (d)1, 2 and 3
    Show answer and explanation

    Statements 1 and 3 are correct. Statement 2 is wrong: the declaration accepts that fossil fuels will keep an important role in developing economies, and calls for just, orderly, equitable and inclusive transitions instead.

    From BRICS New Delhi Declaration: what it says on climate, energy, health and technology

  3. Q3

    Consider the following statements about India's space cooperation:

    1. 1.TRISHNA is a joint mission of ISRO and CNES to track land surface temperature and evapotranspiration.
    2. 2.SARAL was built by ISRO with the European Space Agency.
    3. 3.European Space Agency ground stations will track Gaganyaan missions.

    Which of the statements given above are correct?

    1. (a)1 and 2 only
    2. (b)2 and 3 only
    3. (c)1 and 3 only
    4. (d)1, 2 and 3
    Show answer and explanation

    Statements 1 and 3 are correct. Statement 2 is wrong: SARAL, like Megha-Tropiques, was built by ISRO with France's space agency CNES.

    From At the first International Space Summit in Paris, India sets out three principles for space

  4. Q4

    Consider the following statements about the Ramsar Convention:

    1. 1.It was signed at Ramsar in Iran in 1971.
    2. 2.India joined the convention at its signing in 1971.
    3. 3.Wetlands whose ecological character is changing because of human activity can be placed on the Montreux Record.

    Which of the statements given above are correct?

    1. (a)1 only
    2. (b)2 only
    3. (c)2 and 3 only
    4. (d)1 and 3 only
    Show answer and explanation

    Statements 1 and 3 are correct. Statement 2 is wrong: the convention was signed in 1971, but India joined it only in 1982.

    From India and Germany sign a joint declaration on conserving wetlands of international importance

Mains

  1. Q1 · 10 marks · 150 words

    Nepal's demand for climate compensation applies to India the argument of historical responsibility that India makes to developed countries. Examine this claim, and the adequacy of the Fund for Responding to Loss and Damage.

    From Loss and damage: Nepal seeks climate compensation from major emitters, and India responds

  2. Q2 · 10 marks · 150 words

    What does the BRICS opposition to carbon border adjustment mechanisms reveal about the divide between developed and developing countries on climate action?

    From BRICS New Delhi Declaration: what it says on climate, energy, health and technology

Full coverage coming soon