Blog

TRAWL Assembly

Syllabus: GS3/ Defence

In News

• The Ministry of Defence signed contracts worth approximately ₹975 crore with BEML and Electro Pneumatics & Hydraulics (EPHL) to procure indigenous TRAWL Assemblies for T-72 and T-90 tanks.

About –

• TRAWL Assembly – It is a mine-clearing device mounted on the front of a battle tank to safely detect and detonate anti-tank mines before the tank rolls over them.
• T-72 (Ajeya)-It is a Soviet-era main battle tank that entered service in 1973, with approximately 25,000 units built globally.
• T-90 (Bhishma) – It is a Russian main battle tank that entered service in 1992.

Atal Pension Yojana

Syllabus: GS2/ Governance

Context

• The Atal Pension Yojana (APY), has achieved a historic milestone by surpassing total gross enrolments of “9 crore” subscribers on 21st April, 2026.

Atal Pension Yojana (APY)

• It was launched in 2015
• Objective – to provide old-age income security to workers in the unorganised sector.
• Target Group: Initially available to all citizens of India between 18 and 40 years of age.
• Scheme Features: APY offers a guaranteed minimum pension of Rs.1,000 to Rs.5,000 per month starting at age 60, based on contributions.
• Administering Body: Administered by Pension Fund Regulatory and Development Authority (PFRDA).
• Managed under the National Pension System (NPS)
• Progress: As of January, 2026, over 8.66 crore subscribers have been enrolled, making APY a cornerstone of India’s inclusive social security framework.

The Druzhba Pipeline

Syllabus: GS2/ IR

In News

• The resumption of Russian oil transit through the Ukrainian section of the Druzhba pipeline on 22 April 2026 was the decisive factor in unblocking major financial and diplomatic aid for Kyiv.

Druzhba Pipeline,

• It is often called the Friendship Pipeline,
• It is one of the world’s longest and largest crude oil pipeline networks.

Key Facts

• Origin: It starts in Almetyevsk, Tatarstan (Russia), collecting crude from Siberia, the Urals, and the Caspian Sea.
• Historical Context: Built in the 1960s (operational since 1964) during the Soviet era to supply socialist bloc countries (COMECON).
• Capacity: It can transport between 1.2 to 2 million barrels of oil per day.
• Total Length: Approximately 4,000 to 5,500 km.

Dolphin Friends Initiative

Syllabus: GS3/ Environment

In News

• The Forest Department, Prayagraj has launched the Dolphin Friends volunteer network.
• Objective – to strengthen conservation of the Gangetic dolphin through community participation and river monitoring.

Ganges River Dolphin (Platanista Gangetica)

Characteristics

• Functionally blind; relies on echolocation for hunting.
• Known as Susu due to the sound it makes while breathing.
• Exclusively freshwater species, inhabiting Ganga and Brahmaputra river basins in India, Nepal, and Bangladesh.
• Threats: Habitat destruction, pollution and hunting.

conservation Status

• Indian Wildlife (Protection) Act, 1972: Schedule I
• CITES (Convention on International Trade in Endangered Species): Appendix I
• CMS (Convention on Migratory Species): Appendix I
• IUCN Red List: Endangered

National & State Recognition

• Declared India’s National Aquatic Animal in 2009.
• Recognized as the State Aquatic Animal of Assam.

Indus River Dolphin (Platanista minor)

Characteristics:

• Functionally blind, navigates using echolocation.
• Locally called Bhulan in the region.
• Found mainly in the Indus River System (Pakistan) with a small population in India’s Beas River.
• Threats: Habitat fragmentation, Restricted range, leading to population isolation.

Conservation Status:

• Indian Wildlife (Protection) Act, 1972: Schedule I
• CITES: Appendix I
• IUCN Red List: Endangered.
• State Recognition:Declared the State Aquatic Animal of Punjab.

Do You Know?

• One more species of Dolphin i.e. Irrawaddy dolphin found in India in Chilika Lake (Asia’s largest brackish water lagoon) in Odisha.
• Unlike the other two species, Irrawaddy dolphins are not blind and have a bulbous head with no beak.
• IUCN Red List Conservation status: Critically Endangered.

18th Civil Services Day

Syllabus:  GS2/ Governance

Context

• The 18th Civil Services Day was celebrated on April 21, 2026.
• This day is observed annually in India to recognize the contributions of civil servants and to allow them to recommit themselves to public service.
• 2026 Theme – Viksit Bharat: Citizen-Centric Governance and Development at the Last Mile”.
• Significance: The day (instituted in 2006) honors Sardar Patel’s 1947 address to the first IAS batch, where he dubbed civil servants the “steel frame of India”.
• Organiser: The event is conducted by the Department of Administrative Reforms and Public Grievances (DARPG)

Constitutional Provisions of Civil Services

• Article 309 empowers Parliament and State Legislatures to regulate recruitment and conditions of service.
• Article 310 of the Constitution states that civil servants of the Union and the States hold office during the pleasure of the President or the Governor,
• Article 311 provides safeguards for civil servants against arbitrary dismissal.
• Article 312 outlines the process for creating All India Services, such as the Indian Administrative Service (IAS), the Indian Police Service (IPS), and the Indian Forest Service (IFoS).
• Articles 315 to 323 of the Indian Constitution establish Public Service Commissions (PSCs) for both the Union (UPSC) and each state (SPSC).

History of Civil Services in India

• Lord Cornwallis is considered as ‘Father of Civil Services in India’.
• Lord Wellesley founded the College of Fort William in Calcutta in 1800 to educate young recruits for the Civil Services.
• Note – Satyendranath Tagore was the first Indian to clear ICS in 1864.

Governance reforms to enhance efficiency of bureaucracy

• Mission Karmayogi National Program: It is a flagship programme of Government of India launched in 2020 for training of civil servants.
• e-Governance Initiatives: Centralised Public Grievance Redress and Monitoring System (CPGRAMS) for grievance redressal, SPARROW for performance appraisal, and digitization of service records.

Adi Shankaracharya

Syllabus: GS1/ History

In News

• The Prime Minister of India paid tribute to Adi Shankaracharya on his Jayanti.

Adi Shankaracharya (approximately 788–820 CE)

• Born in Kalady, Kerala.
• He is credited with reviving Hinduism and unifying India’s diverse spiritual strands through the philosophy of Advaita Vedanta.

Core Philosophy: Advaita Vedanta (Non-Dualism)

• Concept of Brahman: Asserts that the ultimate reality is Brahman, which is formless (Nirguna), infinite, and the only truth (Brahma Satyam).
• Atman and Brahman: Taught that the individual soul (Atman) is fundamentally identical to Brahman. The perceived separation is an illusion.
• Maya: Explained the empirical world as Maya (illusion), a creative power that makes the singular reality appear as a multitude.
• Path to Liberation: Emphasised Gyan (knowledge) over ritualistic actions as the primary means to achieve Moksha (liberation).

Major Contributions & Legacy

• Establishment of Mathas: To unify the country and preserve Vedic thought, he founded four primary monasteries (Mathas) in the cardinal directions:
• North: Jyotir Math (Badrinath/Joshimath, Uttarakhand) — custodian of the Atharva Veda.
• South: Sringeri Sharada Peetham (Karnataka) — custodian of the Yajur Veda.
• East: Govardhana Math (Puri, Odisha) — custodian of the Rig Veda.
• West: Dwarka Sharada Peetham (Gujarat) — custodian of the Sama Veda.
• Shanmata System: Synthesised the worship of six major deities (Shiva, Vishnu, Shakti, Ganesha, Surya, and Skanda), reducing sectarian conflicts.
• Dashanami Sampradaya: Organised a monastic order for renunciates, which remains influential today.

Important Literary Works

• Commentaries (Bhashyas): Wrote the Brahmasutrabhasya (oldest surviving commentary on the Brahma Sutras), along with commentaries on the Bhagavad Gita and 12 major Upanishads.
• Philosophical Treatises: Includes Viveka Chudamani, Atma Bodha, and Upadesa Sahasri.
• Devotional Hymns (Stotras): Composed works like Bhaja Govindam, Nirvana Shatakam, and Saundarya Lahari.

SMILE Scheme

Syllabus: GS2/Governance

Context

• The SMILE Scheme is transforming lives across India by promoting inclusive rehabilitation and social reintegration of vulnerable communities.

Support for Marginalised Individuals for Livelihood and Enterprise (SMILE)

• Launched in – 2022
• Implementation – Ministry of Social Justice and Empowerment.
• Objective – to support vulnerable groups at every stage, from identification and rescue to healthcare, rehabilitation, education, counselling, skill development, and long-term economic independence.

Features –

• One of its components was the sub-scheme to identify, profile, and rehabilitate individuals engaged in the act of begging with their consent.
• The other component of the scheme is for the empowerment of transgender persons.

Shekha Jheel Bird Sanctuary Designated as New Ramsar Sites

Syllabus: GS3/ Environment

Context

• India designated Shekha Jheel Bird Sanctuary in Uttar Pradesh as its 99th Ramsar Site, with Uttar Pradesh now having 12th sites on the list.

Shekha Jheel Bird Sanctuary

• Location – It is a freshwater wetland ecosystem, formed by the Upper Ganges Canal in Aligarh, Uttar Pradesh.
• It is a key habitat for migratory birds on the Central Asian Flyway and wintering ground for species such as Bar-headed Goose, Painted Stork and various species of ducks and waterfowl.

India’s Latest Additions in Ramasar site

• Siliserh Lake (Rajasthan): 95th Ramsar site
• Kopra Jalashay (Chhattisgarh): 96th Ramsar Sites
• Patna Bird Sanctuary (Uttar Pradesh): 97th Ramsar Sites
• Chhari-Dhand Conservation Reserve (Gujarat): 98th Ramsar Sites

Connect with the basics – Ramsar Convention

• A Ramsar site is a wetland designated as one of international importance under the Ramsar Convention.
• Ramsar Convention – It is one of the inter-governmental accords to preserve the wetlands of international importance.
• It was signed on February 2, 1971 in Ramsar, Iran and came into force in 1975.
• India became a signatory to the Ramsar Convention in 1982.

Indo–Lanka Accord (1987)

Syllabus: GS2/ International Relations

Context

• Tamil political parties in Sri Lanka have urged India to sustain pressure for full implementation of the Indo-Lanka Accord.

Indo–Lanka Accord (1987)

• The Indo-Lanka Accord was a bilateral agreement signed in July 1987 between Rajiv Gandhi and J. R. Jayewardene
• Mandate – to address the ethnic conflict in Sri Lanka.
• Objectives: The Accord aimed to resolve the long-standing conflict between the Sinhalese-majority government and Tamil minorities.

Key Provisions:

• It sought to ensure the devolution of political powers to provinces in order to provide greater regional autonomy.
• It granted official status to the Tamil language alongside Sinhala.

13th Amendment to the Sri Lankan Constitution (1987)

• The 13th Amendment was enacted in 1987
• Objective – to operationalise the provisions of the Indo–Lanka Accord and provide a constitutional framework for devolution.

Key Features:

• The Amendment established Provincial Councils in all nine provinces to facilitate decentralised administration.
• It introduced a three-fold distribution of powers through the Provincial List, Reserved List, and Concurrent List, broadly resembling the Indian federal structure.
• It enabled the transfer of several functional subjects such as education, agriculture, health, and local governance to the provincial level.

National Medical Commission (NMC)

Syllabus: GS2/ Governance

Context

• The National Medical Commission (NMC) has proposed amendments to the Registration of Medical Practitioners and Licence to Practice Medicine (Amendment), Regulations, 2026, aiming to expand medical education capacity while strengthening quality standards.

National Medical Commission (NMC)

• It is India’s apex statutory body responsible for regulating medical education, professionals, and institutions.
• It was established in 2020, under the National Medical Commission Act, 2019, replacing the Medical Council of India (MCI) to streamline governance and improve the quality of healthcare nationwide.

It operates through four autonomous boards;

1. Under-Graduate Medical Education Board (UGMEB)
2. Post-Graduate Medical Education Board (PGMEB)
3. Medical Assessment and Rating Board (MARB)
4. Ethics and Medical Registration Board (EMRB)

Structure of NMC: The NMC consists of;

• A Chairperson.
• 10 ex-officio members (including representatives from ministries and institutions).
• 22 part-time members (including State representatives and experts).

Odisha: 1st State to Launch Marine Spatial Plan

Syllabus: GS3/Environment

Context

• The Odisha government recently signed a memorandum of understanding with the National Centre for Coastal Research under the Union Ministry of Earth Sciences to launch a Marine Spatial Plan (MSP) in the state for integrated coastal and marine planning.

About

• The plan covers Odisha’s 550+ km coastline, aiming to balance economic activities with the protection of ecologically sensitive zones like Chilika Lake, Bhitarkanika, and Gahirmatha.

Core Objectives

• Blue Economy Growth: Promoting sustainable development in sectors like fisheries, tourism, ports, and renewable ocean energy.
• Conflict Resolution: Reducing overlap and disputes between different stakeholders, such as traditional fishing communities and industrial port developers.
• Climate Resilience: Strengthening the protection of coastal ecosystems that serve as natural buffers against frequent cyclones and sea-level rise.
• SDG Alignment: Supports Sustainable Development Goal 14 (Life Below Water).

Lumpongdeng Island

Syllabus: GS1/Geography

Context

• After protests by conservation groups, the Meghalaya government dropped the proposed luxury resort project on Lumpongdeng Island.

Lumpongdeng Island

• Location – It is located in Umiam Lake, a manmade reservoir formed in the early 1960s by damming the Umiam River for a hydroelectric project, about 20 km from Shillong.
• The island is characterised by coniferous vegetation and lies near the centre of the lake.

River Basin Management Scheme

Syllabus: GS2/ Polity

News

• The Government of India has approved the continuation of the River Basin Management (RBM) Scheme for the 16th Finance Commission period spanning 2026–27 to 2030–31 with financial outlay of ₹2,183 crore.

River Basin Management Scheme

• Financing – Central Sector Scheme
• Implementation – Ministry of Jal Shakti
• Objective – It adopts a holistic approach, managing entire river systems—including tributaries and groundwater—as integrated hydrological units.

Key Developments (2026–2031)

• Enhanced Funding: The budget for the 16th Finance Commission period (2026–2031) has been increased to ₹2,183 crore.
• Strategic Focus: Priority is placed on the North Eastern Region and the Indus Basin (J&K/Ladakh) for national security and transboundary management.
• Modernization: The project utilizes technologies such as GIS, LiDAR, and drones for improved planning.

Jagadguru Basaveshwara

Syllabus: GS1/Culture

Context

• Prime Minister Narendra Modi paid homage to Jagadguru Basaveshwara on the occasion of Basava Jayanthi.

About

• Basaveshwara, also known as Basavanna.
• He was a 12th-century philosopher, social reformer, and key figure of the Bhakti movement, primarily active in the Kalyana region of present-day Karnataka.
• Lingayata Movement:- He is regarded as the founder of Lingayatism and advocated equality, social justice, and the rejection of caste hierarchy and social discrimination.
• He served as a finance minister under King Bijjala II of the Kalachuri dynasty, and his teachings are preserved in poetic compositions known as Vachanas.
• Basaveshwara introduced the concept of Ishtalinga, promoting a direct and personal connection with the divine, transcending social divisions.
• He also established the Anubhava Mantapa (often referred to as the first Parliament of the world), a pioneering forum for open dialogue, where people from diverse backgrounds, including women, could participate in discussions on spiritual and social issues.

Pradhan Mantri Gram Sadak Yojana-III (PMGSY-III)

Syllabus: GS2/Government Initiatives

Context

• The Union Cabinet has extended the Pradhan Mantri Gram Sadak Yojana-III (PMGSY-III) beyond March 2025 till 2028–29.

Pradhan Mantri Gram Sadak Yojana-III (PMGSY-III)

• Launched in – 2000
• Financing – Centrally Sponsored Scheme,
• Implementation – Ministry of Rural Development
• Objective – It is aimed at providing all-weather road connectivity to unconnected habitations in rural areas .

PMGSY has evolved through multiple phases:

• PMGSY-I (2000) focused on providing connectivity to unconnected habitations;
• PMGSY-II (2013) aimed at upgradation of existing rural roads;
• PMGSY-III (2019) focuses on consolidation of rural road networks;

Significance

• The extension will help complete targeted rural road upgradation.
• It improves market access for agricultural and non-farm products while reducing transportation costs.
• It will enhance access to education and healthcare services, particularly in remote areas, and contribute to inclusive growth by bridging the rural–urban divide in line with the vision of Viksit Bharat 2047.

Israel’s ‘Yellow Line’ in Southern Lebanon

Syllabus: GS2/ IR

Context

• Recently, Israel announced the establishment of a ‘Yellow Line’ in southern Lebanon, shortly after a 10-day ceasefire agreement between Israel and Lebanon.

What is the ‘Yellow Line’?

• It is a military demarcation line created by Israel to separate areas of control in a conflict zone.
• It is a temporary operational boundary that marks the limit of Israeli troop deployment.
• A threshold beyond which movement is treated as a potential security threat.

Comparison with Gaza

• A similar line has been used in Gaza since October 2023.
• There, it effectively divided territory between Israeli-controlled areas and Hamas-controlled zones.

India’s First Large-Scale Private Gold Mining Project

Syllabus: GS3/ Economy

In News

• The launch of India’s first large-scale private gold mine at Jonnagiri, Kurnool district, Andhra Pradesh, has brought renewed focus on India’s gold reserves, production deficit, and the strategic importance of domestic mining.

Gold

• It is a soft, dense, highly ductile, and corrosion-resistant precious metal found in nature in its native form.
• Gold is India’s second-largest import after oil, with nearly 1,000 tonnes imported annually to meet domestic demand.
• Bihar dominates reserves at ~43%, followed by Rajasthan (~25%) and Karnataka (~20%).
• Karnataka accounts for approximately 97% of India’s total gold output, primarily through the Hutti Gold Mines in Raichur.
• China leads global gold production with approximately 10% of world output, followed by Russia and Australia.
• Switzerland is the world’s largest gold importer.

India’s First Water Neutral Coaching Depot

Miscellaneous

In News

• The Kankaria Coaching Depot in Ahmedabad has become India’s first water-neutral railway depot by adopting innovative wastewater treatment and reuse systems.

Kankaria Coaching Depot : India’s first water-neutral railway depot

• It saves around 60 lakh litres of water daily and about 5.84 crore litres annually, reducing dependence on freshwater.
• It uses phytoremediation, where plants help purify wastewater, followed by wetland treatment, carbon and sand filtration.
• The water is further cleaned using filtration and UV disinfection, making it safe for reuse in operations instead of being discharged.
• Importance – It reduces water consumption and operational costs while promoting environmental sustainability, serving as a model for greener and more efficient railway infrastructure in India.

Connect with the basics – Phytoremediation

• It is a process in which plants are used to clean contaminated soil, water, or groundwater by absorbing or breaking down pollutants like metals, pesticides, explosives, and oil.
• It works best in areas with low contamination, as high pollution levels can slow plant growth.

State of India’s Bats, 2024-25 Report

Environment

Context

• The first-ever national assessment titled “State of India’s Bats, 2024–25” has been released by the Nature Conservation Foundation, in collaboration with Bat Conservation International, World Wide Fund for Nature, and the Centre for Wildlife Studies, highlighting the status, diversity, and threats to bats in India.

Key Findings

• Geographical Distribution: India hosts around 135 bat species.
• West Bengal leads with 68 bat species, followed by 66 in Meghalaya, 52 in Uttarakhand 41 each in Kerala and Karnataka and 43 in Sikkim, denoting diversity.
• Among cities, Delhi had 15 bat species, despite pressures of urbanisation.

Endemism & Threat Status:

• 16 species are endemic to India
• 7 species are listed as threatened by the IUCN
• 35 species are either Data Deficient or not assessed
• Major Threats: Urbanisation, deforestation, land-use change and climate change impacts.

Key Facts about Bats

• Bats are mammals belonging to the order Chiroptera and are the only mammals capable of sustained powered flight, with wings made of stretched skin over elongated finger bones.
• There are over 1,400 species of bats worldwide.
• They inhabit almost every continent except Antarctica, thriving mainly in tropical regions.
• Bats are crucial for ecosystems as pollinators for many plants, agents of seed dispersal, and natural controllers of insect populations, including agricultural pests.
• Most bats use echolocation—high-frequency sound waves—for navigation and hunting in the dark, a unique adaptation that allows them to exploit nocturnal ecological niches effectively.
• Unlike birds, bats cannot take off from the ground easily; they hang upside down to launch into flight.
• They rest during daytime, often in caves or hollow trees, forming colonies that can range widely in size.
• The Indian flying fox (Pteropus giganteus) is among the largest bats in India and a critical species for pollination and ecosystem health.
• Bats are known reservoirs of numerous viruses, including coronaviruses, Nipah virus, and Ebola, yet they exhibit remarkable immunity and longevity which is a subject of scientific research.

Kerala Botanist’s Innovation in Tackling Invasive Species

Environment

Context

• Alim Yusuf, a botanist from Malabar Botanical Garden and Institute for Plant Sciences, has received the World Wide Fund for Nature National Award for developing an application to detect invasive plant species in Kerala.

About the Innovation

• The application, Neophyte ID, is an AI-powered mobile tool that enables users to identify invasive plant species by capturing images.
• The app can identify nearly 100 invasive plant species found in Kerala.
• It integrates geospatial tracking to map the spread of invasive species, aiding scientific research and policy intervention.

Connect with the basics – Definition:

• Definition – Invasive species are non-native organisms (animals, plants, fungi, microbes) that establish self-sustaining populations and cause harm to the environment, economy, or human health.
• Impacts – They contribute to biodiversity loss, ecological disruption, and can lead to significant economic losses in agriculture, forestry, and fisheries.
• Causes – Globalization (increased trade and travel), human activities, and climate change facilitate their spread and establishment.
• Indian Context – India has several widespread invasive species, including plants like Lantana camara and Water Hyacinth, and animals such as the African Catfish and Nile Tilapia.

Shahtoosh Wool

Environment

Context

• A Delhi court has convicted a Jaipur-based art gallery owner for attempting to illegally export Shahtoosh shawls.

Shahtoosh Wool

• It is derived from the hair of the Tibetan Antelope, also known as Chiru.
• The animal is killed to obtain the wool.
• Trade in Shahtoosh is strictly prohibited in India and has also been banned globally.

Tibetan Antelope (Pantholops hodgsonii)

• The Chiru is a medium-sized bovid endemic to the high-altitude alpine steppes of the Tibetan Plateau (3,250–5,500m).
• Habitat: They inhabit the arid, cold grasslands of Tibet, Qinghai, and Xinjiang in China, with a small population in Ladakh (Changthang belt), India.
• Appearance: They have a pale fawn to a reddish-brown coat with a white belly.
• Males have black markings on their faces and legs, which are absent in females.

Conservation Status:

• IUCN Red List – Near Threatened (NT)
• Wildlife (Protection) Act, 1972 – Schedule I
• CITES convention – Appendix I

Operation Numkhor

Miscellaneous

Context

• Operation Numkhor, a nationwide crackdown on vehicle smuggling and forged registration rackets, is likely to be discussed in the upcoming Indo–Bhutan Joint Customs Group meeting.

Operation Numkhor

• Launched by – Customs (Preventive) Commissionerate, Kochi in September 2025.
• Mandate – to uncover a widespread racket involving the smuggling of high-end luxury vehicles from Bhutan.
• The operation revealed over 15,000 illegally registered vehicles across India, bypassing heavy customs duties and involving the use of forged documents

Indian Space Situational Awareness Report 2025 (ISSAR-2025)

Science & Technology

Context

• Recently, the Indian Space Situational Awareness Report for 2025 (ISSAR-2025) was released by ISRO during the inaugural session of the 2nd international conference on Spacecraft Mission Operations (SMOPS-2026) at Bengaluru.

Key Global and Indian Statistics for 2025

• Global Activity – 2025 saw a record 315 successful launches deploying 4,198 satellites.
• Indian Scenario: India recorded 5 launches, including the 100th mission (GSLV-F15/NVS-02). Notable achievements included the NISAR joint mission, the SpaDeX autonomous docking test, and continued operations of Aditya-L1.
• Safety & Exploration: ISRO launched NISAR, and is advancing its Debris Free Space Mission (DFSM) 2030.
• Human spaceflight progress was marked by Group Captain Shubhanshu Shukla’s command of the Axiom-4 mission.

Carbon Border Adjustment Mechanism (CBAM)

Environment

Context

• The European Commission has proposed expanding the scope of the Carbon Border Adjustment Mechanism (CBAM) to include around 180 additional products from January 1, 2028.

Carbon Border Adjustment Mechanism (CBAM)

• It is a carbon tariff on carbon intensive products, such as cement and some electricity, imported by the European Union.
• Significance – As a price on carbon, it discourages emissions. As a trade-related measure, it affects production and exports.

Marine Heatwaves

Geography

Context

• Tropical cyclones passing over marine heatwaves (MHWs) cause 60% more billion-dollar disasters through rapid intensification, warns a new study.

Marine Heatwaves

• It is a prolonged period of anomalously high ocean surface temperatures in a specific region.

They are characterised by two key parameters:

• Duration: Lasting anywhere from several days to several months.
• Intensity: Measured as a deviation from the long-term seasonal average, known as a temperature anomaly.

Key Drivers

• Climate Change: Oceans absorb 90%+ of excess atmospheric heat, raising baseline temperatures
• Ocean Currents: Warm water pools shift into cooler regions.
• Atmospheric Systems: High-pressure systems like the North Pacific High trap surface heat
• El Niño:  Elevates Pacific sea surface temperatures, triggering the largest recorded MHWs.

Memory Price Inflation (Memflation)

Economy

In News

• Gartner’s 2026 global semiconductor revenue forecast of $1.3 trillion cited memflation as a key driver of the industry’s third consecutive year of double-digit growth.

Memflation

• Inflation refers to a general rise in the overall prices of goods and services in an economy over time.
• Memflation refers to a structural economic trend where prices of semiconductor memory rise rapidly and persistently over time.

Amazon Rainforests

Environment

Context

• A recent study shows that consecutive droughts in 2023–2024 pushed Amazon rainforest moisture and biomass to their lowest levels in over three decades, indicating severe ecological stress.

Amazon Rain Forests

• Location: The region belongs to nine nations of the South American continent.
• Surrounded by – It is bounded by the Guiana Highlands to the north, the Andes Mountains to the west, the Brazilian central plateau to the south, and the Atlantic Ocean to the east.
• Area Covered: The majority of the forest, 60%, is in Brazil, followed by Peru with 13%, Colombia with 10%, and with minor amounts in Bolivia,Ecuador,French Guiana, Guyana, Suriname and Venezuela.
• Climate: Hot and humid climate with temperatures of 26-30°C throughout the year.There are no periodic seasons.The precipitation ranges from 2,000 mm to 10,920 mm annually.
• Tribes: Yanomamo,Kayapo,Akuntsu,Matses,Tupi etc.
• Fauna: Anaconda,Jesus lizard,howler monkey, golden lion tamarin, jaguar,sloth, spider monkey,Amazon River dolphin,toucan and the scarlet macaw,poison dart frog and the glass frog.
• Flora: Moist broadleaf tropical rainforest like myrtle,laurel,palm, acacia,rosewood,Brazil nut,rubber tree, mahogany and Amazonian cedar.

Significance of the Rainforests

• Lungs of the planet: Rainforests generate about 20% of the world’s oxygen and its trees play a key role in reducing pollutant levels.
• Fight climate change: They act as a crucial buffer in the global fight against climate change as it holds tremendous capacity to store carbon.
• Medicinal Properties: Many of these plants contain bioactive compounds capable of treatmenting diseases that are not yet curable, especially cancer.

Threat to the forests

• Climate Change: Due to climate change the forests are witnessing various challenges like changes in rainfall patterns,pollution etc.
• Deforestation: The size of the Amazon forest shrank dramatically as a result of settlers’ clearance of the land to obtain lumber and to create grazing pastures and farmland.
• Wildfires: It causes threat to the survival of ecosystems and biodiversity. The 2019 forest fires in the region have led to widespread devastation in the region.

Additional Information – Amazon River

• It is the largest river by volume of water and second longest river after the Nile river of Africa in the world.
• Source:River has its source in the Peruvian Andes, at an elevation of 5,598 m.
• Length:6400 km.
• Basin:The basin includes the greater part of Brazil and Peru,some parts of Colombia, Ecuador and Bolivia and a small area of Venezuela.
• Tributaries:Japurá , Juruá, Madeira, Negro, Purus, and Xingu rivers.
• Mouth:Atlantic Ocean on the northeastern coast of Brazil.