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Type: Prelims Only

  • What are IPCC’s Assessment Reports?

    ipcc

    Introduction

    • Since 1988, the UN Intergovernmental Panel on Climate Change (IPCC) has been pivotal in assessing climate science and guiding global responses to climate change through its assessment reports and special publications.
    • Last years’ Sixth Assessment Report (AR6) underscores the urgency of addressing climate change, highlighting the need to limit global warming to 1.5 degrees Celsius.

    About IPCC

    Description
    Establishment Established in 1988 by WMO and UNEP
    Membership 195 member countries.
    Objective Assess scientific info on human-induced climate change, impacts, and mitigation/adaptation options.
    Main Activity Prepares assessment, special, and methodology reports, crucial for international climate negotiations.
    Scientific Research Relies on global scientific community for literature review and conclusions.
    Working Groups Comprises three groups:

    1. I (climate physics),
    2. II (impacts/adaptation), and
    3. III (mitigation)
    Reports Each group issues reports, compiled into a synthesis report.

    Key Findings of AR6

    • Urgent Warning: AR6 warns that time is running out to limit global warming to 1.5 degrees Celsius and stresses the need for immediate action to mitigate climate change impacts.
    • Adaptation Challenges: The report highlights challenges in adapting to climate change and offers strategies to enhance resilience in natural and human-made systems.

    Initiation of AR7 Cycle

    • IPCC Bureau Meeting: In January 2024, the IPCC initiated its seventh assessment cycle (AR7) with a bureau meeting in Turkey to discuss budgeting, timelines, and the work program.
    • Lessons from AR6: Insights from the AR6 cycle, along with member country submissions, informed discussions on the structure and focus of the upcoming reports.

    Global Stocktake and IPCC’s Role

    • Assessing Progress: The global stocktake (GST) evaluates progress towards the Paris Agreement goals, with the IPCC playing a crucial role in providing scientific input.
    • Alignment with Stocktake: Member countries request IPCC reports to align with the GST, facilitating comprehensive assessments of climate action effectiveness.

    Scope and Timeline of AR7 Cycle

    • Report Components: The AR7 cycle will include full assessment reports, synthesis reports, methodology reports, and a special report on climate change and cities.
    • Revised Guidelines: Methodology reports will cover short-lived climate forcers and carbon removal, while technical guidelines on impacts and adaptation will be updated.
    • Publication Timeline: The bureau aims to publish special and methodology reports by 2027, with the timeline for assessment reports pending further discussion.

    Challenges and Considerations

    • Time Constraints: Balancing the need for timely reports with the rigorous review process and evolving climate research poses challenges.
    • Content Integrity: Shortened timelines may affect the depth and breadth of the reports, potentially compromising their scientific rigor and inclusivity.
    • Engagement Complexity: Limited timeframes may hinder effective engagement with under-represented communities and stakeholders, impacting report quality.

    Conclusion

    • The initiation of IPCC’s AR7 cycle marks a critical juncture in global climate science, emphasizing the urgency of addressing climate change.
    • Despite challenges, the IPCC remains committed to delivering comprehensive and scientifically robust assessments to guide climate action.
    • Collaboration between scientists, policymakers, and stakeholders will be essential in navigating the complexities of climate science and fostering sustainable solutions for a resilient future.

  • Bubonic Plague is back: Should you be worried?

    Bubonic Plague

    Introduction

    • Recent reports from Oregon, US, confirm the reemergence of bubonic plague, marking the first case since 2005.
    • Notable historical instances include the Third Pandemic in the late 19th and early 20th centuries, originating in China and spreading worldwide, reaching India by 1896.

    What is Bubonic Plague?

    • Cause: Bubonic plague is caused by Yersinia pestis, a zoonotic bacterium primarily found in small animals and their fleas, capable of transmission to humans.
    • Transmission: The World Health Organization (WHO) identifies three primary modes of transmission:
    1. Through infected vector fleas,
    2. Contact with infectious bodily fluids or materials, and
    3. Inhalation of respiratory droplets from pneumonic plague patients.

    Symptoms and Forms

    • Bubonic Plague: Characterized by fever, headache, swollen lymph nodes, and weakness, typically resulting from flea bites.
    • Septicemic Plague: Occurs when the bacteria enter the bloodstream, leading to severe symptoms such as abdominal pain, shock, and skin discoloration.
    • Pneumonic Plague: The most perilous form, causing rapid-onset pneumonia, and posing a high risk of fatality if left untreated, with potential person-to-person transmission.

    Historical Impact of the Black Death

    • Deadliest Outbreak: The Black Death, spanning from 1346 to 1353, decimated up to half of Europe’s population, leaving a profound and enduring impact on survivors.
    • Genetic Legacy: Genetic mutations linked to increased survival during the Black Death era have been identified, albeit with potential implications for autoimmune diseases in modern populations.
    • Social and Economic Ramifications: Historians attribute Europe’s rise to global dominance partly to the aftermath of the Black Death, shaping subsequent societal, economic, and cultural trajectories.

    Contemporary Outlook and Mitigation

    • Limited Spread: Medical experts allay fears of a Black Death resurgence, affirming the localized nature of the recent bubonic plague case and the low likelihood of widespread transmission.
    • Modern Interventions: Advancements in antibiotics and healthcare infrastructure significantly mitigate the threat posed by bubonic plague, rendering it treatable and containing its potential impact.
    • Global Surveillance: Vigilant monitoring and prompt treatment protocols contribute to managing sporadic plague cases reported worldwide, underscoring the importance of continued vigilance and preparedness.

  • Medaram Jatara: Asia’s Largest Tribal Festival

    Medaram Jatara

    Introduction

    • People have started shopping ahead of Asia’s largest tribal festival, the Medaram Jatara. Devotees offer jaggery equivalent to their weight to the deities, Sammakka and Saralamma, during the festival.

    About Medaram Jatara

    Description
    Origin Rooted in the legend of Sammakka and Sarakka, a revered mother-daughter duo among the local tribal community.
    Historical Significance Commemorates the 13th-century battle of Sammakka and Sarakka against then local Kakatiya rulers’ taxation of the Koya people.
    Location Mulugu, Telangana, India
    Frequency Biennial festival
    Attendance Attracts around 1.5 crore devotees from various tribal and non-tribal communities from Telangana and Andhra Pradesh but also from as far as Madhya Pradesh, Jharkhand, Chhattisgarh and Maharashtra
    Political & Social Impact Declared as a State Festival in 1996;

    Receives active support from the Ministry of Tribal Affairs and Telangana state government.
    Infrastructure Development Funds allocated for community shelters and infrastructure in and around Medaram.
    Ministry Support Active participation and significant financial backing from the Ministry of Tribal Affairs and Telangana state government.
    Tribal Circuit Development Ministry of Tourism sanctions funds for the integrated development of the tribal circuit.

    Try this PYQ:

    Consider the following pairs:

    Traditions Communities
    Chaliha Sahib Festivals Sindhis
    Nanda Raj Jaat Yatra Gonds
    Wari-Warkari Santhals


    Which of the pairs given above is/are correctly matched?

    a) 1 only
    b) 2 and 3 only
    c) 1 and 3 only
    d) None of the above

    [wpdiscuz-feedback id=”nb3213ewys” question=”Please leave a feedback on this” opened=”1″]Post your answers here.[/wpdiscuz-feedback]

  • Understanding Ultradian Rhythms: The Cycle of Life

    Introduction

    • Life on Earth is characterized by cyclical processes that sustain and enhance survival, with one such fundamental process being ultradian rhythms.
    • Ultradian rhythms are distinct from circadian rhythms and refer to biological cycles that occur more frequently than once every 24 hours, governing essential physiological functions.

    Ultradian vs. Circadian Rhythms

    Ultradian Rhythms Circadian Rhythms
    Definition Repeat at intervals of less than 24 hours. Repeat approximately every 24 hours.
    Duration Shorter cycles, typically minutes to a few hours. Longer cycles, around 24 hours.
    Examples Sleep cycles, heart rate variability, hormone release. Sleep-wake cycle, body temperature regulation.
    Influence Impact physiological processes within a single day. Regulate sleep-wake patterns, hormone release, etc.
    Importance Essential for various bodily functions and processes. Crucial for maintaining overall health and well-being.
    Disruption Effects Interruption can lead to fatigue or mood swings. Disruption can cause sleep disorders or mood disorders.

    Key Characteristics of Ultradian Rhythms

    • Frequency: Ultradian rhythms recur more frequently than circadian rhythms, impacting various biological processes.
    • Physiological Patterns: These rhythms regulate heartbeat, breathing, hormonal release, and brain-wave activity, ensuring proper functioning of living organisms.

    Significance  

    • Sleep Cycle: A well-known example of ultradian rhythm is the sleep cycle, which comprises alternating periods of REM (Rapid Eye Movement) and non-REM sleep, typically lasting around 90 minutes each.
    • REM and Non-REM Sleep: REM sleep involves dreaming, while non-REM sleep is essential for physical restoration and memory consolidation.

    Role in Hormonal Regulation

    • Pulsatile Hormone Secretion: Ultradian rhythms influence the pulsatile secretion of hormones like growth hormone, cortisol, and insulin throughout the day.
    • Metabolism and Stress Response: These hormonal fluctuations are crucial for regulating metabolism, energy levels, and responses to stress, ensuring overall well-being.

  • [pib] MnBi2S4: Multiferroic Material for Energy-Efficient Data Storage

    Introduction

    • Researchers have identified a unique mechanism of electric polarization via magnetic ordering in a novel mineral named “MnBi2S4”, which can be useful for energy-efficient data storage.

    About Magnetoelectric Multiferroics

    • This special class of materials is renowned for their rarity and unique properties, capable of exhibiting both magnetism and ferroelectricity simultaneously.
    • They find applications in advanced technology like spintronics, electronic memory devices, actuators, and switches.

    What is MnBi2S4?

    • Also known as mineral gratianite, it belongs to the ternary manganese chalcogenide family.
    • It showcases distinct magnetic structures, including a spin density wave, cycloidal, and helical spin structures.
    • Notably, the latter two spin structures induce ferro-electricity in the material.
    • MnBi2S4 is centro-symmetric and undergoes magnetic ordering at low temperatures (27, 23, and 21.5 Kelvins).

    Significance of the Study

    • This finding highlights the strong coupling between magnetism and electric polarization.
    • The unique mechanism, driven by magnetic frustration, represents a breakthrough in magnetoelectric coupling.
    • If the material can exhibit the same phenomena at room temperature, it could revolutionize data storage by reducing energy consumption during writing processes.
    • Additionally, these findings could aid in the development of a four-state logic memory system, providing additional degrees of freedom for device performance compared to current binary logic systems.

  • 1000-YO Mahavir Statue Found in Tamil Nadu

    mahavir

    Introduction

    • A 1,000-year-old stone statue of Thirthangara Mahavir has been found in Tamil Nadu at at Manavarayanendal near Thiruchuli in Virudhunagar district.

    Features of the Statue

    • There is a triple umbrella above the head of the statue, which has creepers carved on it.
    • It is flanked by sculptures of yakshas.
    • Based on the sculpture technique, it is assumed that the statue might belong to the 11th century AD.

    About Vardhaman Mahavir

    Description
    Birth 540 B.C.
    Birthplace Kundagrama village near Vaishali
    Family Background Belonged to the Jnatrika clan; father Siddharta was the head of the Jnathrika Kshatriya clan, and mother Trishala was a sister of Chetaka, the king of Vaishali.
    Renunciation Renounced home at the age of 30 to become an ascetic.
    Spiritual Practice Practiced austerity for 12 years.
    Attainment of Kaivalya Attained the highest spiritual knowledge called Kaivalya (conquered misery and happiness) at the age of 42.
    First Sermon Delivered his first sermon at Pava.
    Symbol Associated with the symbol of a lion.
    Missions Traveled to various regions including Koshala, Magadha, Mithila, Champa, etc.
    Passing Away Passed away at the age of 72 in 468 B.C. at Pavapuri in Bihar.
    Legacy Founded Jainism as it is known today; contributed significant teachings and principles to the religion.

    Everything you need to know about Jainism

    Description
    Origin Jainism gained prominence in the 6th century B.C. when Lord Mahavira propagated the religion.
    Founder Lord Mahavira, the 24th Tirthankara, is the central figure
    Tirthankaras
    • Jainism recognizes 24 Tirthankaras or great teachers
    • Rishabhanatha being the first and Mahavira the last.
    Meaning of “Jain” “Jain” is derived from “jina” or “jaina,” signifying the “Conqueror” or one who has conquered the inner enemies like attachment, aversion, and delusion.
    Main Principles Jainism emphasizes the Three Jewels or Triratna:

    1. Right Faith (Samyakdarshana),
    2. Right Knowledge (Samyakjnana), and
    3. Right Conduct (Samyakcharita).
    Five Doctrines Ahimsa (non-violence), Satya (truthfulness), Asteya (non-stealing), Aparigraha (non-attachment), and Brahmacharya (chastity) are the fundamental principles of Jainism.
    Concept of God
    • Jainism does not adhere to the concept of a creator God
    • Believes in the existence of liberated souls (Siddhas) who have attained spiritual perfection.
    Major Doctrines
    1. Anekantavada: Jain doctrine of non-absolutism, recognizing that truth can have multiple perspectives or facets.
    2. Syadvada: Jain doctrine stating that all judgments are conditional and true only from certain perspectives, expressed by the term “syat” (may be).
    Sects/Schools Jainism is divided into two major sects:

    1. Digambara (sky-clad) and
    2. Svetambara (white-clad)
    Spread
    • Jainism spread gradually into regions where Brahmanical influence was weak,
    • Received royal patronage from rulers like Chandragupta Maurya
    Literature Jain literature comprises:

    1. Agama (canonical) texts, which include the direct teachings of Mahavira, and
    2. Non-agama (commentaries and elaborations) works, such as the Acaranga Sutra.
    Architecture
    • Temples, caves (layana/gumphas), statues, and ornamental pillars (manastambha), exhibiting intricate designs and religious motifs.
    • Notable Jain architecture in India includes the Dilwara Temples in Mount Abu, Rajasthan, and the Girnar and Palitana Temples in Gujarat.
    • These structures exemplify intricate craftsmanship and religious symbolism.
    Jain Councils Two significant Jain councils were held for compiling and preserving Jain scriptures and teachings:

    1. First Jain Council at Pataliputra (3rd century B.C.) and
    2. Second Jain Council at Vallabhi (512 A.D.)
    Difference from Buddhism
    • Acknowledgment of a permanent self (atman),
    • Acceptance of the varna system,
    • Belief in the concept of a soul (jiva), and
    • Advocacy of extreme asceticism ex. Santhara/Sallekhana
    Thoughts on Rebirth
    		 Acaranga Sutra: Jainism teaches the doctrine of rebirth (samsara) and various realms of existence (lokas) based on karma, with souls cyclically transmigrating through different life forms.

  • INSAT-3DS launch: The Naughty Boy of ISRO

    Introduction

    • The Indian Space Research Organisation (ISRO) is set to launch its meteorological satellite INSAT-3DS aboard the spacecraft GSLV F14.

    INSAT-3DS: Mission Objectives

    • Continuity of Services: The mission seeks to continue and enhance the services provided by existing operational satellites like INSAT-3D and INSAT-3DR.
    • Meteorological Observations: INSAT-3DS will facilitate advanced meteorological observations, land and ocean surface monitoring, and weather forecasting.
    • Disaster Warning: It will play a critical role in disaster warning systems, aiding in timely alerts and response efforts.
    • Satellite-aided Research and Rescue Services (SAR): Additionally, the satellite will support SAR operations, contributing to enhanced search and rescue capabilities.

    Significance

    • This marks the 16th space mission for the Geosynchronous Satellite Launch Vehicle (GSLV), emphasizing India’s progress in space technology.
    • INSAT-3DS aims to be deployed into the Geosynchronous Transfer Orbit (GTO), funded entirely by the Ministry of Earth Sciences, signifying a significant step in India’s space advancements.
    • After around 18 minutes of launch, the satellite will be injected in a 36,647 km x 170 km elliptical orbit.

    Why called as Naughty Boy?

    • Failure: GSLV F14 has faced challenges in the past, earning the moniker “naughty boy” within the Indian space programme due to its history of encountering problems.
    • Probability: With a failure rate of 40%, GSLV F14 has experienced issues in six out of its fifteen missions to date.

  • Collapse of the Gulf Stream System

    gulf stream

    Central Idea

    • Recent research warns that the Gulf Stream System, known as the Atlantic Meridional Overturning Circulation (AMOC), faces a critical threat of collapse due to unabated global carbon emissions.
    • If left unchecked, this collapse could occur between 2025 and 2095, with a central estimate of 2050.

    What is Gulf Stream System?

    Description
    Origin Begins in the Gulf of Mexico, merging warm waters from the Caribbean Sea and Gulf of Mexico.
    Flow Flows northward along the eastern coast of the United States.
    Current Carries warm waters from the tropics towards higher latitudes.
    Speed and Volume Swift ocean currents with speeds of 2 to 5 miles per hour, transporting 30 million cubic meters per second.
    Function Redistributes heat towards the North Atlantic region, influencing climate and weather patterns.
    Climate Impact Moderates the climate of Western Europe, keeping it relatively warmer than other regions at similar latitudes.
    Interaction with Atmosphere Releases heat and moisture, influencing weather and precipitation.
    Importance for Marine Life Supports diverse marine life, serving as a migratory route for fish and marine mammals.

    Gulf Stream’s Vulnerability

    • Gulf Stream, currently at its feeblest point in 1,600 years, is grappling with the consequences of global heating.
    • Alarming signals of a tipping point were already observed back in 2021.
    • Past collapses during ice ages have triggered rapid temperature shifts of up to 10 degrees Celsius in just a few decades, underlining the immense climatic impact it holds.

    Implications of Collapse

    The potential collapse of Gulf Stream could lead to dire consequences worldwide, including:

    • Disrupted Rainfall Patterns: Billions of people in regions like India, South America, and West Africa, reliant on these patterns for food production, would face food insecurity.
    • Intensified Storms and Colder Temperatures: Europe would experience increased storm activity and colder temperatures.
    • Rising Sea Levels: The eastern coast of North America would be at risk of rising sea levels, posing threats to coastal communities.
    • Endangered Ecosystems: The Amazon rainforest and Antarctic ice sheets could face severe endangerment.

  • Discussions to lower CRR on Green Deposits

    Introduction

    • State Bank of India (SBI) is in talks with the Reserve Bank of India (RBI) to reduce the cash reserve ratio (CRR) requirement on green deposits.

    What are Green Deposits?

    • Definition: Green deposits are fixed-term investments tailored for individuals and entities seeking to support environmentally friendly initiatives.
    • ESG Investing: These deposits align with the principles of Environmental, Social, and Governance (ESG) investing, reflecting a growing trend towards sustainable finance.
    • Utilization: Funds from green deposits are directed towards projects promoting renewable energy, clean transportation, pollution control, green infrastructure, and sustainable water management.

    RBI Framework for Green Deposits

    • Preventing Greenwashing: The RBI’s framework ensures transparency in environmental claims associated with green deposits.
    • Deposit Options: Banks offer green deposits denominated in rupees, with choices between cumulative or non-cumulative options.
    • Applicability: Scheduled commercial banks, small finance banks, non-banking financial companies (NBFCs), and housing finance companies (HFCs) must comply with this framework.
    • Eligibility: Both corporate entities and individual customers can invest in green deposits, contributing to environmentally sustainable initiatives.
    • Allocation: Funds mobilized through green deposits are directed towards sectors such as renewable energy, waste management, and afforestation.
    • Restrictions: Lenders are prohibited from channelling green deposit funds into sectors like fossil fuels, nuclear power, or tobacco.
    • Verification: Independent Third-Party Verification is conducted annually to assess the allocation and impact of funds raised through green deposits.
    • Oversight: Lenders are required to review the impact of funds lent for green finance activities on an annual basis.
    • Penalties: There are no penalties for underutilization of funds raised through green deposits, providing flexibility to financial institutions.

    Distinguishing Green Deposits from Normal Deposits

    • Project Allocation: Green deposits allocate funds to specific environmentally friendly projects, unlike regular deposits.
    • Interest Rates: Interest rates on green deposits are determined by lenders and are currently comparable to those offered on conventional deposits.

    Back2Basics: Cash Reserve Ratio (CRR)

    • Banks are mandated to maintain a certain portion of their deposits and specific liabilities in liquid cash with the RBI.
    • CRR serves as a crucial tool in the RBI’s arsenal for managing liquidity in the economy and acts as a safety net during times of banking stress.
    • Currently, banks are required to uphold 4.5% of their Net Demand and Time Liabilities as CRR with the RBI.
    • Incremental-CRR was introduced on August 10, 2023, as a temporary measure by RBI to absorb surplus liquidity.
    • Banks were required to maintain an I-CRR of 10% on the increase in their Net Demand and Time Liabilities (NDTL) between May 19, 2023, and July 28, 2023.
    • It came into effect from the fortnight starting August 12, 2023.
    • ICRR is employed during periods characterized by excess liquidity in the financial system.

  • Global Pulse Confederation (GPC) held in New Delhi

    Introduction

    • The Global Pulse Confederation (GPC) has initiated the three-day convention — Pulses 24 — in New Delhi, India.

    About Global Pulse Confederation (GPC)

    Description
    Formation Founded in 2016 through the merger of the Global Pulse Confederation (GPC) and the International Starch Institute (ISI).
    Headquarters Dubai, United Arab Emirates.
    Mission Represents the global pulse industry, aiming to promote the sustainable growth of the pulse industry worldwide.
    Focus Areas
    • Advocating for policies supporting the pulse industry’s interests.
    • Providing resources and support to pulse industry stakeholders.
    • Facilitating research and innovation in pulse production and utilization.
    Membership Open to businesses, organizations, and individuals involved in the pulse industry, including growers, processors, traders, and researchers.
    India’s Connect India, being a major producer and consumer of pulses, actively participates in the GPC and holds membership status, contributing to the organization’s objectives.

    Key Highlights from Pulses 24 Convention

    • Production Growth: Pulses production in India has increased by 60% over the past decade, reaching 270 lakh tonnes in 2024 from 171 lakh tonnes in 2014.
    • Partnership Goals: Mr. Goyal emphasized the partnership between NAFED and GPC, aiming to position pulses as a vital dietary component not only in India but also globally.
    • Minimum Support Price (MSP): The Centre ensures an MSP offering 50% over the actual cost of production to farmers, resulting in attractive returns on investment. Significant increases in MSP for various pulses were highlighted, reaching as high as 117% in masoor and 90% in moong over the past decade.
    • Self-Sufficiency by 2027: India’s progress towards self-reliance in chickpeas and other pulses, with efforts focused on achieving self-sufficiency in all pulses by 2027. Initiatives include the supply of new seed varieties and the expansion of tur and black gram cultivation.
    • Global Knowledge Sharing: GPC president emphasized India’s potential to benefit from the conference by exchanging best practices and technological advancements in pulse cultivation from other countries.
    • Focus on Smallholding Farmers: Pulses are noted for their soil benefits and nutritional value, particularly beneficial for smallholding farmers.