Current Affairs – March 14, 2026

{GS1 – Geo} Earth’s Magnetic Field Reversals May Last Up to 70,000 Years

• Context (TH): A recent study published in has suggested that magnetic pole reversals on Earth may last much longer than previously believed.

• To examine ancient magnetic reversals, researchers analysed deep-sea sediment cores from the North Atlantic Ocean.
• The research identified one magnetic reversal lasting about 18,000 years and another lasting around 70,000 years.
• These durations are significantly longer than the 2,000–12,000 years typically observed in more recent geological records.

Magnetic Field Reversal

• A magnetic field reversal occurs when the Earth’s magnetic field flips, causing the north and south magnetic poles to switch positions.
• These reversals are generated by changes in the Geodynamo, the process driven by the movement of molten iron in Earth’s outer core.
• Magnetic reversals have happened hundreds of times in Earth’s geological history.
• During a reversal, the magnetic field temporarily weakens, reducing Earth’s protection from solar and cosmic radiation.

Impact of Magnetic Field Reversal for Earth and Life

• Increased Radiation Exposure: During a magnetic reversal, the Earth’s magnetic field weakens, allowing more solar and cosmic radiation to reach Earth.
• Impact on Atmosphere: A weaker magnetic shield could make the atmosphere more vulnerable to erosion from solar wind coming from the Sun.
• Changes in Environment & Climate: Prolonged weak magnetic fields may have influenced ancient environmental conditions and planetary systems.
• Influence on Evolution: Increased radiation exposure during long reversals may have played a role in the evolution of life on Earth.

Read More> Slowing Down of Earth’s Inner Core Rotation

{GS2 – IR} Reliance Industries to Partner in Texas Refinery Project *

• Context (IE): U.S. President Donald Trump announced Reliance Industries as a key partner in a $300 billion refinery project in Texas.

• Developer: America First Refining (AFR) is developing the refinery at the deep-water Port of Brownsville in South Texas.
• Significance: The project represents the first major new oil refinery built in the U.S. since 1977.
• Feedstock: It will exclusively process domestic light shale oil sourced from the Permian Basin.
  • Permian Basin: A sedimentary basin spanning West Texas and southeastern New Mexico; it is the largest oil-producing region in the United States.
• Offtake: Reliance Industries reportedly signed a binding 20-year offtake agreement to purchase, process, and distribute the refined products.

About Light Shale Oil

• Light shale oil, or light tight oil (LTO), is a low-density crude trapped in low-permeability shale or tight sandstone formations.
• Reservoir: Unlike conventional oil, it occurs in continuous accumulations at greater depths of 2,500-5000 metres.
• Extraction: Light Shale Oil cannot flow naturally and requires horizontal drilling and hydraulic fracturing to be extracted.
• Property: It is an easily refinable crude with low sulphur and a high hydrogen-to-carbon ratio.
• Volatility: High concentrations of light hydrocarbons (e.g., ethane, propane, butane) increase vapour pressure, causing the oil to evaporate quickly and ignite easily.
• Production: The United States is the largest producer, followed by Canada and Argentina.
• India has no commercial production; prospective basins include the Cambay Basin (Gujarat) and the Krishna-Godavari Basin (Andhra Pradesh).

Read More > India’s Crude Oil Diversification

{GS3 – Envi} International Solar Alliance Foundation Day

• Context (PIB): The 10^th Foundation Day of ISA was celebrated on 11 March 2026 in New Delhi.

About International Solar Alliance (ISA)

• ISA is an intergovernmental organisation that promotes solar energy deployment worldwide.
• Launch: In 2015 at the Paris COP21 by India & France.
• Membership: ISA has 125 member and signatory countries.
• Headquarters: Gurugram, Haryana.
• New Initiative: ISA launched the Green Hydrogen and Storage Start-up Challenge 2026 to support innovation in green hydrogen and energy storage.
• Future Energy Systems: ISA is promoting the Global Mission on AI for Energy to develop smart and resilient energy systems using digital technologies.
• Governance: ISA Assembly is the apex decision-making body of ISA, in which each Member Country is represented.

India’s Solar Energy Progress

• Solar Capacity: India’s cumulative installed solar power capacity has reached around 136 GW.
• Share in Renewables: Solar energy contributes over half of India’s renewable energy capacity.
• Annual Addition: India installed over 36 GW of new solar capacity in 2025, the highest annual addition so far.
• Future Targets: India aims to achieve 500 GW of renewable energy capacity by 2030, with solar power playing a key role in this transition.
• Major Solar Schemes:
  • PM Surya Ghar Muft Bijli Yojana: Provides rooftop solar power to households.
  • PM-KUSUM Scheme: Promotes solar-powered irrigation systems for farmers.
  • National Solar Mission (NSM): Part of India’s National Action Plan on Climate Change (NAPCC). Aims to expand solar power generation and promote solar technology in India.

{GS3 – Envi} Summer Ozone Pollution in Delhi

• Context (IE): A recent study has highlighted rising surface ozone pollution in Delhi during summer, making summer pollution as serious as winter smog.

Causes of Summer Pollution in Delhi

• Surface Ozone: In summer, nitrogen oxides (NOx) from vehicles and industries react with Volatile Organic Compounds (VOCs) under strong sunlight, producing ground-level ozone.
• Temperature and Sunlight: Heat and strong solar radiation accelerate photochemical reactions, increasing ozone formation.
• Biogenic VOC: Many plants emit Biogenic Volatile Organic Compounds (BVOCs) in hot conditions, which further react with NOx to form ozone.
• Climate Change: Rising temperatures and frequent heatwave events increase BVOC emissions and speed up ozone production.
• Urban Emissions: Continuous emissions from vehicles, industries, and construction activities provide the necessary precursors for ozone formation.

Surface Ozone Pollution

• Surface ozone is a secondary air pollutant formed when nitrogen oxides (NOx) react with VOCs in the presence of sunlight and heat.
• Ground-Level Pollutant: Unlike the protective stratospheric ozone layer, surface ozone occurs at ground level (troposphere) and is harmful to humans and ecosystems.
• Major Sources: Vehicular emissions, power plants and industries, biomass burning and natural emissions from plants called biogenic VOCs (BVOCs).
• Seasonal Occurrence: Surface ozone pollution is more severe in summer due to high temperature, strong sunlight, and stagnant air conditions.
• Health Impacts: Causes respiratory problems, lung irritation, reduced lung function, and aggravation of asthma.
• Environmental Impacts: Reduces crop productivity, damages plant tissues and acts as a short-lived greenhouse gas contributing to climate change.

Solutions and Policy Measures

• Reduce Precursor Emissions: Control emissions of NOx and VOCs from vehicles, industries, power plants, and biomass burning.
• Cleaner Energy Transition: Promote renewable energy, electric mobility, and cleaner fuels (BS-VI standards) to reduce fossil fuel combustion.
• Urban Planning: Encourage planting of low BVOC-emitting tree species (e.g., amla, babul, bael) instead of high BVOC-emitting species (certain ficus species).
• Monitoring and Early Warning Systems: Expand ozone monitoring networks and forecasting systems to alert authorities and the public during high-ozone days.
• Climate and Air Quality Policies: Climate mitigation measures that reduce greenhouse gases and fossil fuel use simultaneously help control ozone formation.

{GS3 – S&T} Supreme Court Orders No-Fault Policy for Covid Vaccine Side Effects

• Context (IE): Supreme Court ordered the Union Government to establish a no-fault compensation policy for individuals affected by COVID-19 vaccine side effects or deaths.

Key Directives of the Court

• Right to Health: The Court affirmed that Article 21 imposes a state responsibility to support citizens facing severe vaccine-related health consequences.
• Transparency: The order mandates public disclosure of Adverse Events Following Immunisation (AEFI) data through existing monitoring systems.
• No-Fault Liability: It clarified that this policy will not amount to a legal admission of fault by the Union of India or other authorities.

About No-Fault Liability

• It is a legal principle that guarantees victims receive compensation for harm even if negligence or fault by the liable party cannot be proven.
• Objective: To deliver speedy relief & prevent affected individuals from bearing the ‘burden of proof’.
• Indian Precedents: The Motor Vehicles Act, 1988 and Civil Liability for Nuclear Damage Act, 2010, recognise this principle.
• Global Practice: Over 25 countries, including the United Kingdom, Australia, and Japan, have no-fault vaccine compensation schemes.
  • WHO-supported COVAX No-Fault Compensation Program created the first international vaccine injury compensation system.

Read More > Right to Health in India

{GS3 – S&T} Regulating Children’s Access to Social Media **

• Context (IE|IE): Proposals to restrict social media access for minors have renewed debate over the effectiveness and unintended consequences of blanket platform bans.

Arguments Supporting Restrictions on Children’s Social Media Access

• Neurological Risk: Algorithmic reward loops normalise compulsive use by exploiting adolescents’ underdeveloped self-regulation.
• Cumulative Harm: Extended social media use causes anxiety, sleep disorders, and attention deficits that surface only after harm has quietly accumulated.
• Identity Distortion: Algorithmic popularity metrics replace organic peer validation, distorting self-worth and identity development.
• Onboarding Friction: Mandatory age-gating mechanisms reduce unsupervised access and prevent automatic onboarding of minors.
• Safety Risk: Anonymous open networks expose minors to predatory contact and harmful content they cannot safely navigate.

Concerns About Banning Social Media for Children

• Risk Migration: Platform bans drive minors into unregulated digital spaces such as gaming chats, AI services, and encrypted platforms.
• Implementation Gap: India lacks a viable, privacy-preserving age-verification system capable of enforcing population-scale age restrictions.
• Circumvention: Children can bypass access restrictions by using VPNs or parental accounts, as seen under South Korea’s Cinderella Law (late-night gaming ban).
• Design Blindspot: A blanket ban penalises users but leaves engagement-driven algorithms and profiling incentives unchanged.
• Access Inequality: Access restrictions disproportionately limit rural students’ peer learning, exacerbating existing socio-economic disparities.

Way Forward

• Well-Being-by-Design: Mandate default safety settings that disable autoplay, infinite scroll, and intrusive notifications for minor accounts.
• Age Verification: Develop privacy-preserving age-verification systems within India’s Digital Public Infrastructure (DPI).
• Duty of Care: Require platforms to assess and mitigate child-safety risks in their design and recommendation systems.
• Digital Literacy: Integrate algorithm awareness, online safety, and digital well-being as mandatory school curriculum components.
• Penalty Framework: Introduce platform liability provisions similar to the UK Online Safety Act, allowing regulators to impose penalties based on global platform revenue.

Read More> Social Media Ban | Social Media Addiction in Children

{Prelims – Geo} Cobalt Mining in Democratic Republic of Congo is Causing a Health Crisis *

• Context (DTE): A recent report highlights that cobalt mining in the Democratic Republic of Congo (DRC) is causing pollution and public health crises.

About Cobalt

• Cobalt is a hard, lustrous, transition metal with ferromagnetic properties (can be magnetised).
• It is listed among India’s 30 Critical Minerals (2023) identified by the Ministry of Mines.
• Key Applications: Mainly used in lithium-ion batteries for EVs and smartphones; it is essential for producing “superalloys” used in aerospace and defence.
  • Cobalt-60, a radioactive isotope, is used in radiotherapy for cancer treatment and food irradiation to extend shelf life.
• Domestic Presence: India has minor cobalt deposits in Odisha, Jharkhand, and Rajasthan and relies entirely on imports to meet its requirements.

About Democratic Republic of Congo (DRC)

• DRC is the second-largest country in Africa, bordered by nine countries and the Atlantic Ocean.
• Geographic Features: Includes the Katanga Plateau, Lakes Tanganyika and Kivu, and the active volcano Mount Nyiragongo.
• Key River: Congo River, the only river in the world to cross the Equator twice.
• Mineral Resources: It is the largest cobalt producer, accounting for over 70% of global output, and holds major reserves of copper, coltan, lithium, and gold.
• Economic Challenges: Despite mineral wealth, DRC faces poverty, corruption, and armed conflicts, especially in North and South Kivu.

Read More > M23 Rebels in Congo

{Prelims – Envi} Workshop to Curb Elephant-Train Collisions

• Context (DDN): Ministry of Environment, Forest and Climate Change (MoEFCC) held a two-day national workshop to reduce elephant–train collisions.

• Organisers: MoEFCC organised the workshop in collaboration with the Wildlife Institute of India (WII).
• Key Outcomes: Authorities finalised mitigation for 77 high-risk railway stretches (1,965 km) and approved scaling of Distributed Acoustic Systems (DAS) and AI-based detection systems.

Landscape of Elephant–Train Collisions in India

• Mortality Scale: Train collisions killed 186 elephants between 2010 and 2020, the second-largest anthropogenic cause after electrocution.
• Risk Regions: Northeastern and eastern India, particularly Assam, remain the most vulnerable zones.
• Demographic Impact: Male elephants face a greater risk as their wider-ranging behaviour and crop-raiding movements increase their exposure to railway tracks.
• Time Pattern: Nearly 80% of elephant–train accidents occur between 6 PM and 6 AM, when elephant movement increases, and driver visibility decreases.

Read More > Elephant Deaths from Train Collisions

{Prelims – S&T} Asteroid 2024 YR4 *

• Context (TH): NASA confirmed that Asteroid 2024 YR4 will not collide with the Moon after new James Webb Space Telescope (JWST) observations.

• Asteroid 2024 YR4 is an Apollo-type Near-Earth Asteroid (NEA), meaning its orbital path crosses Earth’s.
• The Asteroid Terrestrial-impact Last Alert System (ATLAS) observatory in Chile discovered it in 2024.
• Size: The asteroid is approximately 53 to 67 metres in width.
• Composition: It is an S-type (stony) asteroid, primarily made of silicates and nickel-iron.

{Prelims – S&T} AI-Integrated Plasma System for Clean Hydrogen & Advanced Carbon Materials

• Context (PIB): India and Singapore are working on a project to develop an AI-integrated plasma system for producing clean hydrogen & advanced carbon materials.

• Project is supported by Technology Development Board to develop advanced clean energy technology.
• Objective: To develop an AI-integrated microwave plasma system for producing CO2-free hydrogen and advanced carbon nanomaterials.
• Technology Used: It uses microwave plasma pyrolysis to split methane into hydrogen and solid carbon without producing carbon dioxide.
• AI Integration: Artificial intelligence will monitor and optimise reactor parameters to improve hydrogen yield and energy efficiency.
• Production Capacity: The pilot plant aims to produce about 4 kg/hour of hydrogen and 12 kg/hour of high-value carbon materials.
• Dual-Revenue Model: High-value carbon products such as carbon nanostructures and diamond-graphene hybrid materials can help reduce hydrogen production costs.