VK IAS Geography current Affairs for UPSC
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โœ…Gs-1 : Geography/Gs-3 : Environment

โœ…Rejosari Senik- Case study- example of how slow-onset events (like sea-level rise) trigger climate-induced displacement and transform land use patterns.

๐Ÿ…พ๏ธMany residents migrated for better jobs and homes, leaving behind what resembled a ghost town.

๐Ÿ…พ๏ธMangroves act as bio-shields, reducing tidal wave impact.They stabilize the coast, reduce erosion, and store carbon.Indonesian government plans to build a 700-km sea wall to hold back the rising sea.

โš ๏ธGs-4 : Ethics point- Environmental Ethics- Pasijah represents the emotional and cultural bonds people share with their land. Dont think that when we speak about Adaptation it is not only technical but also about dignity, memory, and identity of people.

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โœ…Gs-1 : Geography/Gs-3 : Environment

๐Ÿ…พ๏ธAral Sea is a is a landlocked sea
-Shrinkage-began in the 1960s due to Soviet-era diversion of the Amu Darya and Syr Darya rivers for irrigation.

๐Ÿ…พ๏ธGeological Uplift: Loss of water weight has caused the Earth's crust in the Aral Sea basin to rise โ€” about 1.6 inches (4 cm) between 2016โ€“2020.

๐Ÿ…พ๏ธDesert Formation: Drying of the Aral Sea led to the creation of the Aralkum Desert.

๐Ÿ…พ๏ธDust emissions from Aralkum doubled between 1985 and 2015, carrying toxins and salts.Dust affects air quality and public health in nearby countries (Kazakhstan, Uzbekistan, Turkmenistan).


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โœ…Gs-1 : Geography

โœ…Gs-2 : IR- USA eyes Africa's great lake region for mines and minerals.

๐Ÿ…พ๏ธThe U.S. is diversifying supply chains to reduce China dependency and Use resource diplomacy as peace diplomacy- This is part of the broader โ€œfriend-shoringโ€ strategy: supply security through allied or strategic partnerships.

๐Ÿ…พ๏ธBut issue is - Minerals fund wars in Congo just like oil in the Middle East โ€” making control over resources a cause of and solution to violence.We discussed about the Africa's Great lake Region in this video on Mapping. V. IMP for mapping-
https://youtu.be/1P0Fmh9HXv4

๐Ÿ…พ๏ธBisie mine was a model of ethical mining โ€” modernised, regulated, global export supply

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UPSC Prelims 2025- Key.pdf
30 MB
โœ…How Relevant was VK IAS in prelims 2025?- โ˜๏ธCheck this document. ๐Ÿ™‚

This is also the official key from my end

- VK (
@hinduhighlights and @upschighlights)
#Placesinnews #Geography

โœ…Gs-2 : IR- India- China Relations

โœ…Gs-1 : Geography- Indian Geography- Passes

๐Ÿ…พ๏ธImportance of Shipki La Pass-Could cut Delhiโ€“Mansarovar journey by 14 days-Strong religious and ethnic links with Tibetan plateau communities-Shared surnames (e.g., Namgyal) reflect cross-border kinship-Festivals, pilgrimages (e.g., Mansarovar) reinforce civilisational unity.

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โœ…Gs-1 : Geography- Strait of Hormuz

โœ…Gs-2 : IR- India- Gulf Relations- Energy Security


๐Ÿ”ฐIndiaโ€™s Oil & Gas Dependency on the Region (2023 data):
โšœ๏ธ~60% of Indiaโ€™s crude oil imports come from West Asia (Iraq, Saudi Arabia, UAE, Kuwait, Iran).
โšœ๏ธ~40% of global seaborne oil passes through the Strait of Hormuz.

โš ๏ธA sustained disruption in the Strait of Hormuz could lead to:

๐Ÿ…พ๏ธOil prices doubling= Indiaโ€™s fiscal and current account balance deteriorating by 1โ€“2% of GDP->Inflationary pressures worsening by ~2 percentage points->Rupee weakening by ~5โ€“7%

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โœ…Rivers in Kerala- As discussed in Madhav Gadgil committee report

โš ๏ธTop 5 Longest Rivers in Kerala and Lengths- There are 44 rivers in Kerala. 41 of them flow westward and 3 eastward.
East flowing rivers in kerala: Kabani, Bhavani, Pambar All the rivers are entirely monsoon-fed.

โšœ๏ธ1. Periyar River (244km)-Kaladi, the birth place of Sankaracharya-on the banks of this river AKA 'Churni' in Kautilya's Arthashastra- Mullaperiyar dam location- home for largest hydro-electric project in Kerala,Idukki dam

โšœ๏ธ2. Bharatapuzha River (209km)-AKA Nile of Kerala

โšœ๏ธ3. Pamba River (176km)- flows through Chinnar Wildlife Sanctuary-AKA 'Dakshina Bhageerathi' and 'River Baris'- Has sabarimala temple .

โšœ๏ธ4. Chaliyar River (169km)- AKA Beppur puzha

โšœ๏ธ5. Chalakudy River (169km)

๐Ÿ…พ๏ธSiva idol consecrated by social reformer Sree Narayana Guru at Aruvippuram is on the banks of Neyyar



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โœ…Gs-3 : Disaster management- Case study- Himachal Pradesh

โœ…Gs -1 : Geography-
Impact of climate change on climate

๐Ÿ…พ๏ธ How spatial and temporal distribution of rainfall is changing with climate change- click here

๐Ÿ…พ๏ธWhat are Cloudbursts?-
Click here

๐Ÿ”ฐWhat do you need to fix this problem?- 4Cโ€“2Dโ€“1R

โšœ๏ธC1: Climate Risk Mapping

โšœ๏ธC2: Capacity at local level

โšœ๏ธC3: Coordination between depts

โšœ๏ธC4: Communication clarity

โšœ๏ธD1: Decentralized Implementation

โšœ๏ธD2: Disaster Anticipation Systems

โšœ๏ธR: Resilient Infrastructure Redesign

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#Disaster
โœ…GS1- Geography
โœ…GS3- Disaster management


๐Ÿ”ดWhat is a Glacial lake and what is a Glacial lake outburst flood(GLOF)? Why are they increasing- GLOF = Glacial Lake Outburst Flood: Sudden release of water from glacial lakes, typically due to dam (moraine/ice) failure.-
Click here

๐Ÿ…พ๏ธRiver most impacted: Bhote Koshi River (major transboundary river flowing into Nepal).
โš ๏ธn 2023, India finalised its 1st national GLOF mitigation programme

๐Ÿ…พ๏ธTech measures

1. Automatic Weather Stations (AWS): Installed in Uttarakhand, Sikkim.

2. Early warning systems (EWS) being piloted.

3. Real-time water discharge sensors installed.

4. Landslide-prone areas mapped for prioritisation.

๐ŸŒŸPilot projects: Artificial draining of lakes, risk modelling, glacier-lake volume studies.


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โœ…Gs-1 : Geography

๐Ÿ…พ๏ธWatershed management and Rain water harvesting are two nature based solutions for the problem of water conservation and insurance against flash floods- Case study : Ramrawas Kalan model- x
Click here

๐Ÿ…พ๏ธFlash floods are sudden floods due to heavy rain or GLOFs->Kill >5000 people/year in India-> Damage to infrastructure, farmlands, ecosystems-> Events rose from 132 (2020) โ†’ 184 (2022) โ€” trend of intensification.

โšœ๏ธIf soil is already wet โ†’ less infiltration โ†’ rapid runoff โ†’ flash flood. Climate Change Link
Each +1ยฐC โ†’ +7% atmospheric moisture โ†’ more rain. Flash flood events doubled between 1981โ€“2020. Monsoon (Juneโ€“Sep) = 75% of all flash floods. Pre- & post-monsoon rainfall intensity โ†‘ 56% and 40%.

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โœ…Gs-1 : Geography- Mercator Map replacement Issue- Africa

โœ…GS-1: World History-Post-colonial perspectives- Decolonization

โœ…Gs-4 : Ethics: Perception, Bias, Equity

๐Ÿ…พ๏ธThe Mercator projection, created by cartographer Gerardus Mercator in 1569, was designed to aid navigation but not represent geography accurately.It enlarges landmasses near the poles and shrinks those near the equator.

โš ๏ธAs a result: 1. Africa appears 3x smaller than it actually is. 2. Greenland looks the same size as Africa, though itโ€™s 14x smaller. 3. Europe appears proportionally bigger, reinforcing Eurocentric worldviews

๐Ÿ”ฐThese distortions normalize colonial dominance, portraying Africa as "small, conquerable, and insignificant- leads to psychological marginalisation, subtly shaping global perception of importance, power, and centrality.

๐Ÿ…พ๏ธDistorted maps = distorted power relations.

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#Geography #Placesinnews

โœ…scarborough shoal

๐Ÿ…พ๏ธConflicted region in south china sea- It is a triangular atoll, located 200 km from the Philippines coast, and within its exclusive economic zone (EEZ) under UNCLOS(1982).

๐Ÿ”ฐOther places of south china sea in news

โšœ๏ธ1. Gulf of Tonkin-
Click here

โšœ๏ธ2. Paracel Islands-
Click here

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โœ…Gs-3 : Climate change-

๐Ÿ…พ๏ธUrban Floods in India- How to plan?

โšœ๏ธA system designed for old conditions fails when new input variables change drastically.Cities are designed for an older climate regime (predictable monsoon calendar), not todayโ€™s erratic, intense rainfall.

โš ๏ธ Gap = Preparedness follows โ€œcalendarโ€ (seasonal averages), but reality follows โ€œreal-time rain events.โ€System failure happens when interlinked subsystems (drainage + waste + planning) donโ€™t coordinate.

โšœ๏ธSo-Dynamic shocks (flash floods) need dynamic planning tools (real-time data + integrated response).

โšœ๏ธUrban planning must design for uncertainty instead of averages-whether the city is prepared for the rain already falling.

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โœ…Sir creek issue- it lies between Sindh (Pakistan) and Kutch (Gujarat, India)- Issue Originated pre-independence, between Kutch and Sindh princely states.

โš ๏ธIssue to notice : India follows Thalweg principle (mid-channel). Pakistan claims the whole creek.

๐Ÿ…พ๏ธNature of the creek : Itโ€™s a tidal estuary, fluctuating with tides. it is therefore NOT permanent -i.e. Pak claims it is non-navigable- India opposes it.

โš ๏ธALSO NOTE - India opposes internationalisation under Simla Accord.Disputes cant be taken to international tribunals.



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โœ…Gs 1- Geography-Importance of Dam safety

๐Ÿ…พ๏ธIssue of Mullaperiyar dam- dual-impact issue of Mullaperiyar Dam's management on Tamil Nadu's environment, economy, and society, focusing on the heightened risk of inflows from Kerala (where the dam is located) and the resulting challenges, primarily concerning flood risk and water security.When Kerala is forced to release water due to heavy rainfall, Tamil Nadu's river systems (like the Vaigai) are stressed. This creates a "double whammy" of managing high inflows during a flood-prone season (northeast monsoon) while simultaneously facing water scarcity issues due to poor local storage and mismanagement of groundwater.

โšœ๏ธAlso read rivers of kerala-
Click here

๐Ÿ…พ๏ธDams as a source of Inter state conflict-
Click here

๐Ÿ”ฐEnvironmental Impacts

โšœ๏ธ1. Flash foods- link to climate change-
Click here
โšœ๏ธ2.Disaster management- Management issues b/w Riparian states- Click here

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โœ…Gs-1 : Geography- Spatial planning of cities- Urbanization agenda

๐Ÿ…พ๏ธContext : Major problem of city planning is that the city is planned like a map, not like a living organism i.e. - The plan is essentially a land-use zoning document, not a strategic growth blueprint.

๐Ÿ…พ๏ธIt identifies โ€œwhereโ€ functions should be located but not โ€œwhyโ€ or โ€œhowโ€ they evolve dynamically.For a rapidly growing tech and service economy, static zoning cannot adapt to new patterns like data centres, co-working, logistics sprawl, or high-density residential corridors-this led to unchecked peri-urban sprawl

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โœ…Important articles for the theme of climate change in Geography

๐Ÿ…พ๏ธ1. Glaciers and ice caps- What is a glacier?- What are the conditions for the formation of a glacier?-
Click here, GLOF and another example- Click here- parkachik glacier

๐Ÿ…พ๏ธ2. Groundwater Depletion- Reduced snowfall and erratic monsoons decrease natural recharge-
Click here

๐Ÿ…พ๏ธ3. Surface Water Variability (โ‰ˆ1% of total freshwater)-
Click here+ here= Musi river rejuvenation and Rhine river water pollution management case study

๐Ÿ…พ๏ธ4. Snow Cover =
Click here

๐Ÿ…พ๏ธ5. Permafrost Thaw-
Click here

๐Ÿ…พ๏ธ6. Hydrological Extremes:
Drought + Floods

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#Geography

โœ…Aravalli - Ecological signifiance

๐Ÿ…พ๏ธThe Aravalli system functions as a degraded but critical geomorphic and ecological transition zone, whose disruption has amplified desertification, groundwater stress, and habitat fragmentation

๐Ÿ”ฐImportant points for Prelims exam:

โšœ๏ธOldest Range: The Aravallis are India's oldest mountain range (~2 billion years old).

โšœ๏ธDesert Shield: They act as a critical "ecological barrier" preventing the eastward spread of the Thar Desert into the Indo-Gangetic plains (Haryana, UP).

โšœ๏ธWater Tower: They are the source of major rivers like Chambal, Sabarmati, and Luni and serve as a massive groundwater recharge zone.

โšœ๏ธResource Hub: Rich in minerals like sandstone, marble, granite, lead, zinc, and copper.

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โœ…Gs-1 : Geography- Aravalli

โœ…Gs-2 : Environment- Conservation-Threats to the Biodiversity of Aravallis


โš ๏ธAravalli - Ecological signifiance - Prelims revision pointers

๐Ÿ…พ๏ธQ) What do you mean by a wasteland- what are the problems associated with the definition of a wasteland? Critically analyze- click here
โšœ๏ธWhat is the Aravalli SC judgement?- Click here

๐Ÿ”ฐWithout a uniform standard, different States used "inconsistent criteria" to identify Aravalli formations. For Ex, some used slope measurements (>3ยฐ) while others used height.This allowed states to technically classify certain hill areas outside the "Aravalli" definition, thereby legally granting mining leases in ecologically sensitive zones that should have been protected- it would "open all the hills below 100 metres for mining".

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