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  • CBDC pilot programmes for CPs, CDs likely: RBI

    Why in the news?

    RBI Governor Shaktikanta Das unveiled plans for a pilot program targeting the wholesale segment of Central Bank Digital Currency (CBDC) focusing on commercial papers (CPs) and certificates of deposits (CDs).

    What is Central Bank Digital Currency (CBDC)?

    • CBDC is a legal tender to be issued by the central bank in digital form; like rupee notes or coins, which are in physical form.
    • It was announced in the Union Budget 2022-23.
    • Subsequently, the Government amended Section 22 of the RBI Act, 1934 through the Finance Bill 2022. [Ref].
    • Working of CBDC:
      • Like fiat currency, it can also be exchanged between people. Simply, put it’s just like rupee (₹) notes but in digital form (e₹). 
      • However, unlike fiat currency that’s usually stored in banks and hence their liability, CBDC is a liability on the RBI’s balance sheet.
      • That’s why one does not necessarily need to have a bank account to own a digital rupee.

     

    About Commercial Papers (CPs) and Certificates of Deposits (CDs)

    Commercial Papers Certificates of Deposits
    Type of Instrument Unsecured promissory note Fixed-income financial instrument
    Issuer Large corporations, primary dealers, financial institutions Scheduled Commercial Banks, All-India Financial Institutions
    Maturity Period 1 to 364 days 3 months to 1 year (for SCBs), 1 to 3 years (for financial institutions)
    Minimum Investment Rs. 5 lakh or multiples thereof Rs. 1 lakh or multiples thereof
    Credit Rating Requirement Minimum credit rating required (e.g., A-2) from recognized rating agencies Typically issued by highly rated banks and financial institutions
    Collateral Unsecured Not applicable
    Purpose Short-term funding for corporations Short to mid-term investment for individuals and institutions
    Interest Rate Typically higher than bonds, fluctuates with market conditions Typically fixed, higher than savings accounts, fluctuates with market conditions
    Investment Eligibility Individuals, banking companies, corporate bodies (registered or incorporated in India), NRIs, FIIs, etc. Individuals, banking companies, other corporate bodies, NRIs, FIIs, etc.
    Issuing and Paying Agent (IPA) Only scheduled banks act as Issuing and Paying Agent Not applicable
    Trading Actively traded in Over-the-Counter (OTC) market, reported on Fixed Income Money Market and Derivatives Association of India (FIMMDA) reporting platform Not publicly traded
    Dematerialized Holding Can be held in dematerialized form through Securities and Exchange Board of India (SEBI)-approved depositories Can be issued in dematerialized form through SEBI-approved depositories

     

    With inputs from: https://www.indiainfoline.com

    PYQ:

    [2020] With reference to the Indian economy, consider the following statements:

    1. ‘Commercial Paper’ is a short-term unsecured promissory note.
    2. ‘Certificate of Deposit’ is a long-term instrument issued by the Reserve Bank of India to a corporation.
    3. ‘Call Money’ is a short-term finance used for interbank transaction.
    4. ‘Zero-Coupon Bonds’ are the interest-bearing short-term bonds issued by the Scheduled Commercial Banks to corporations.

    Which of the pairs above is/are correctly matched?

    (a) 1 and 2 only

    (b) 4 only

    (c) 1 and 3 only

    (d) 2, 3 and 4 only

  • Magnetic Resonance Imaging (MRI) and the Science behind

    Why in the news?

    • Magnetic Resonance Imaging (MRI) revolutionized medical diagnostics, offering non-invasive insights into soft tissues.
    • The pioneering efforts of Paul Lauterbur and Peter Mansfield led to its commercialization, earning them the Nobel Prize in Medicine in 2003.

    What is MRI?

    • Magnetic resonance imaging (MRI) is a non-invasive diagnostic procedure used to obtain detailed images of soft tissues within the body.
    • It is particularly valuable for imaging sophisticated structures like the brain, cardiovascular system, spinal cord, joints, muscles, liver, and arteries.
    • MRI is instrumental in diagnosing and monitoring various conditions, including cancer, neurological disorders (such as Alzheimer’s and stroke), and cardiovascular diseases.
    • Functional MRI (fMRI) can also assess brain activity by monitoring changes in blood flow.

    Working Principle:

    • MRI utilizes the magnetic properties of hydrogen atoms (one proton with one electron around it), which are abundant in water and fat molecules found throughout the body.
    • The MRI machine generates a powerful magnetic field, aligning hydrogen atoms within the body.
    • Radiofrequency pulses are then applied, causing hydrogen atoms to absorb energy and emit signals.
    • These emitted signals are detected by sensors and processed by a computer to create detailed images of the body’s internal structures.

    Components of an MRI Machine:

    The MRI machine consists:

    • Superconducting Magnet: Large magnet (superconducting magnet) that produces a powerful and stable magnetic field.
    • Gradient Coils: Gradient magnets produce smaller magnetic fields with varying strengths and directions, allowing for precise imaging of specific body areas.
    • Radiofrequency Coils: This emit radiofrequency pulses to excite hydrogen atoms in the body. The frequency of pulse the ‘excess’ atoms have to absorb is called the Larmor frequency.
    • Detectors: It capture emitted signals from hydrogen atoms and convert them into image data for analysis.

    Advantages of MRI:

    • High-Resolution Imaging: MRI offers high-resolution imaging with excellent tissue contrast, allowing for accurate diagnosis and treatment planning.
    • Versatile Viewing Angles: It can visualize structures from various angles without the need for repositioning, providing comprehensive information.
    • Safety and Non-Invasiveness: MRI scans are non-invasive and do not involve ionizing radiation, making them safe for repeated use.
    • Enhanced Image Quality: Contrast agents can enhance image quality by highlighting specific tissues or abnormalities.

    Limitations of MRI:

    • High Costs: MRI machines are expensive to purchase and maintain, resulting in high healthcare costs for patients.
    • Requirement for Patient Stillness: Patients undergoing MRI scans must remain still for extended periods to prevent image distortion, which can be challenging for some individuals.
    • Discomfort or Anxiety: The strong magnetic fields and loud noises produced during MRI scans may cause discomfort or anxiety for patients.
    • Limitations with Metallic Implants: Certain metallic implants or objects can interfere with MRI scans, limiting their use in individuals with such implants.

    PYQ:

    [2020] With the present state of development, Artificial Intelligence can effectively do which of the following?

    1. Bring down electricity consumption in industrial units
    2. Create meaningful short stories and songs
    3. Disease diagnosis
    4. Text-to-Speech Conversion
    5. Wireless transmission of electrical energy

    Select the correct answer using the code given below:

    (a) 1, 2, 3 and 5 only

    (b) 1, 3 and 4 only

    (c) 2, 4 and 5 only

    (d) 1, 2, 3, 4 and 5

  • Role of Fusobacterium in Colorectal Cancer

    Why in the news?

    • Researchers at the Fred Hutchinson Cancer Center in the US have identified specific subtypes of Fusobacterium nucleatum associated with colorectal cancer (CRC) tumors.
    • These subtypes, particularly Fusobacterium nucleatum animalis (Fna), have been found in relatively higher quantities in CRC tumors.

    About Fusobacterium nucleatum

    • Fusobacterium nucleatum is a species of bacteria commonly found in the human mouth.
    • It is a gram-negative anaerobic bacterium, meaning it does not require oxygen for growth.
    • While typically residing in the oral cavity, it has been associated with various diseases and conditions, including periodontal diseases and colorectal cancer.

    Association with Colorectal Cancer (CRC):

    • In cases of colorectal cancer (CRC), Fusobacterium nucleatum has been found within tumors in the gut.
    • Studies have shown that this bacterium can aid cancer cells in evading the immune system and promoting metastasis, or the spread of cancer to other parts of the body.
    • Its presence in CRC tumors has led to investigations into its potential role in the development and progression of colorectal cancer.

    Impact:

    • Assisting cancer cells in evading the immune system.
    • Promoting inflammation and creating an environment conducive to tumor growth.
    • Facilitating metastasis by interacting with cancer cells and promoting their spread to other tissues.

    PYQ:

    [2013] Improper handling and storage of cereal grains and oilseeds result in the production of toxins known as Aflatoxins which are not generally destroyed by normal cooking process. Aflatoxins are produced by:

    (a) Bacteria

    (b) Protozoa

    (c) Moulds

    (d) Viruses

  • Mass Coral Bleaching in Lakshadweep Sea

    The Agatti Reef is experiencing unprecedented mass coral bleaching.
    The Agatti Reef is experiencing unprecedented mass coral bleaching.

    Why in the news?

    Extreme heatwaves along the Indian coast, coupled with marine heatwaves, have triggered Mass Coral Bleaching events in the Lakshadweep Sea.

    Heatwaves Toll on Lakshadweep’s Coral:

    Researchers from the ICAR-Central Marine Fisheries Research Institute (CMFRI) conducted surveys across various Lakshadweep Islands.

      • The Degree Heating Week (DHW) indicator in Lakshadweep has soared above 4 °C-weeks, as per the National Oceanic and Atmospheric Administration (NOAA).
        • This elevation in DHW levels poses a substantial risk of coral bleaching, posing a severe threat to the region’s marine ecosystems.
    • Should DHW surpass 12 °C-weeks, it could trigger an unprecedented biodiversity crisis, leading to multispecies mortality.
    • Prolonged marine heatwaves since October 2023 have inflicted substantial stress on the coral reefs, exacerbating bleaching phenomena.
      • A marine heatwave is characterized by seawater temperatures exceeding a seasonally-varying threshold (often the 90th percentile) for at least 5 consecutive days.
    Degree Heating Week (DHW) indicator: It is a measurement used to assess the accumulated thermal stress that corals experience over an extended period, which can lead to coral bleaching. This indicator is expressed in °C-weeks, reflecting the exposure of coral reefs to elevated sea surface temperatures.

    Lakshadweep’s Coral Treasure: Agatti Reef

    • Agatti Island is part of the Lakshadweep archipelago, situated in the Arabian Sea.
    • The island is surrounded by extensive coral reefs, making it a popular destination for snorkeling and diving enthusiasts.
    • The coral reefs around Agatti Island are composed of various coral species, including branching corals like Acropora, table corals like Acropora Hyacinthus, and massive corals like Porites.
    • These corals form intricate reef structures that provide habitat and food for numerous marine organisms.

    What causes Coral Bleaching?

    • When exposed to conditions like heat stress, pollution, or high levels of ocean acidity, the zooxanthellae start producing reactive oxygen species not beneficial to the corals.
    • So, the corals kick out the colour-giving algae from their polyps, exposing their pale white exoskeleton and leading to coral starvation as corals cannot produce their own food.
    • Severe bleaching and prolonged stress in the external environment can lead to coral death.

    Back2Basics: Corals

    • Coral are made up of genetically identical organisms called polyps.
    • These polyps have microscopic algae called zooxanthellae living within their tissues in a mutualistic relationship.
    • The coral provides the zooxanthellae with the compounds necessary for photosynthesis.
    • In return, the zooxanthellae supply the coral with organic products of photosynthesis, like carbohydrates, which are utilized by the coral polyps for synthesis of their calcium carbonate skeletons.
    • Corals are marine invertebrates or animals which do not possess a spine.
    • They are the largest living structures on the planet.
    • Each coral is called a polyp and thousands of such polyps live together to form a colony, which grow when polyps multiply to make copies of themselves.
    • Coral reefs are also called the “rainforests of the seas”.

    Types of Coral

    Corals are of two types — hard corals and soft corals:

    1. Hard corals extract calcium carbonate from seawater to build hard, white coral exoskeletons. Hard corals are in a way the engineers of reef ecosystems and measuring the extent of hard coral is a widely-accepted metric for measuring the condition of coral reefs.
    2. Soft corals attach themselves to such skeletons and older skeletons built by their ancestors. Soft corals also add their own skeletons to the hard structure over the years. These growing multiplying structures gradually form coral reefs.

    Conditions needed for Corals to Flourish

    • Extensive submarine platforms for the formation of colonies by the coral polyps (not more than 90m below sea level).
    • High mean annual temperature ranging 20-21 degree Celsius.
    • Clean sediment-free water because muddy water or turbid water clogs the mouths of coral polyps resulting into their death.
    • Oceanic salinity ranging between 27-30 ppt.
    • Ocean currents and waves, as they bring food supply for the polyps.

     

    PYQ:

    2014: Which of the following have coral reefs?

    1. Andaman and Nicobar Islands
    2. Gulf of Kachchh
    3. Gulf of Mannar
    4. Sunderbans

    Select the correct answer using the code given below:

    (a) 1, 2 and 3 only

    (b) 2 and 4 only

    (c) 1 and 3 only

    (d) 1, 2, 3 and 4

  • West Nile Fever Outbreak in Kerala 

    Why in the news?

    • The Kerala government disclosed the re-emergence of West Nile fever cases in Thrissur, Malappuram, and Kozhikode districts.
    • West Nile fever was first detected in Kerala in 2011, with a fatal case recorded in 2019 involving a six-year-old from Malappuram.

    What is West Nile Fever?

    • West Nile fever is caused by a West Nile Virus (WNV) transmitted through bites from infected Culex mosquitoes.
    • The WNV is a mosquito-borne, single-stranded RNA virus.
    • According to the WHO, it is a member of the flavi-virus genus and belongs to the Japanese Encephalitis antigenic complex of the family Flaviviridae.

    How does it spread?

    • It is transmitted by infected mosquitoes between and among humans and animals, including birds, which are the reservoir host of the virus.
    • Mosquitoes become infected when they feed on infected birds, which circulate the virus in their blood for a few days.
    • The virus eventually gets into the mosquito’s salivary glands.
    • During later blood meals (when mosquitoes bite), the virus may be injected into humans and animals, where it can multiply and possibly cause illness.
    • WNV can also spread through blood transfusion, from an infected mother to her child, or through exposure to the virus in laboratories.
    • It is not known to spread by contact with infected humans or animals.

    Symptoms of WNV infection:

    • The disease is asymptomatic in 80% of the infected people.
    • The rest develop what is called the West Nile fever or severe West Nile disease.
    • In these 20% cases, the symptoms include fever, headache, fatigue, body aches, nausea, rash, and swollen glands.

    PYQ:

    [2017] Consider the following statements:

    1. In tropical regions, Zika virus disease is transmitted by the same mosquito that transmits dengue.

    2. Sexual transmission of Zika virus disease is possible.

    Which of the statements given above is/are correct?

    (a) 1 only

    (b) 2 only

    (c) Both 1 and 2

    (d) Neither 1 nor 2

     


    Back2Basics: Type of Viruses 

    Subtypes Description Examples
    DNA Viruses Herpesviruses DNA viruses with a complex structure causing various diseases including cold sores, chickenpox, and mononucleosis. HSV-1, HSV-2, VZV, EBV
    Papillomaviruses DNA viruses associated with warts and certain cancers. HPV
    Adenoviruses DNA viruses causing a wide range of infections in humans. Adenovirus types causing respiratory, gastrointestinal, and ocular infections
    Poxviruses Large, complex DNA viruses responsible for diseases like smallpox. Variola virus (smallpox), Vaccinia virus
    RNA Viruses Positive-Sense RNA Viruses RNA viruses with genomes that can directly serve as mRNA, causing diseases like the common cold, Zika, and COVID-19. Picornaviruses, Flaviviruses, Coronaviruses
    Negative-Sense RNA Viruses RNA viruses requiring transcription into positive-sense RNA before translation, causing diseases like influenza and rabies. Orthomyxoviruses, Paramyxoviruses, Rhabdoviruses
    Retroviruses RNA viruses that use reverse transcriptase to integrate their genome into the host cell’s DNA. HIV, HTLV
    Double-Stranded RNA (dsRNA) Viruses RNA viruses with double-stranded RNA genomes causing gastroenteritis and other infections. Reoviruses
    Single-Stranded RNA (ssRNA) Viruses with Ambisense Genome RNA viruses with genomes containing both positive-sense and negative-sense RNA regions. Arenaviruses, Bunyaviruses
    Single-Stranded RNA (ssRNA) Viruses with Segmented Genome RNA viruses with genomes consisting of multiple segments, causing diseases like influenza and hemorrhagic fevers. Orthomyxoviruses, Bunyaviruses
    Single-Stranded RNA (ssRNA) Viruses with Circular Genome Satellite viruses with a circular RNA genome requiring helper viruses for replication. Hepatitis Delta Virus (HDV)
    Enveloped Viruses Influenza Viruses RNA viruses surrounded by a lipid envelope causing seasonal flu outbreaks. Influenza A, B, C viruses
    Herpesviruses Enveloped DNA viruses causing diseases like cold sores, chickenpox, and mononucleosis. HSV-1, HSV-2, VZV, CMV
    Coronaviruses Enveloped RNA viruses causing diseases like severe acute respiratory syndrome (SARS) and COVID-19. SARS-CoV, MERS-CoV, SARS-CoV-2
    HIV Enveloped retroviruses responsible for acquired immunodeficiency syndrome (AIDS). Human immunodeficiency virus
    Ebola Virus Enveloped RNA virus causing severe hemorrhagic fever in humans. Ebola virus
    Non-enveloped Viruses Adenoviruses DNA viruses lacking a lipid envelope, causing various infections in humans. Adenovirus types causing respiratory, gastrointestinal, and ocular infections
    Papillomaviruses DNA viruses associated with warts and certain cancers, lacking an envelope. HPV
    Noroviruses RNA viruses causing gastroenteritis, lacking an envelope. Norovirus
    Rotaviruses RNA viruses causing severe gastroenteritis in infants and young children, lacking an envelope. Rotavirus
    Bacteriophages T4 Bacteriophage Viruses that infect bacteria, with a complex structure and lifecycle. T4 bacteriophage
    Lambda Phage Temperate bacteriophage capable of lysogenic and lytic cycles in E. coli. Lambda phage
  • [7 May 2024] The Hindu Op-ed: A half-hearted climate change verdict

    Mains PYQ Relevance: 
    Q) ‘Clean energy is the order of the day.’ Describe briefly India’s changing policy towards climate change in various international fora in the context of geopolitics. (UPSC IAS/2022)
    Q) Does the right to a clean environment entail legal regulation on burning crackers during Diwali? Discuss in the light of Article 21 of the Indian Constitution and judgments of the apex in this regard. (UPSC IAS/2015)
    Q) Starting from inventing the ‘basic structure’ doctrine, the judiciary has played a highly proactive role in ensuring that India develops into a thriving democracy. In light of the statement, evaluate the role played by judicial activism in achieving the ideals of democracy. (UPSC IAS/2014)

    Prelims:
    Which of the following are regarded as the main features of the “Rule of Law”?  (UPSC IAS/2018)
    1) Limitation of powers
    2) Equality before law
    3) People’s responsibility to the Government
    4) Liberty and civil rights
    Select the correct answer using the codes given below:
    (a) 1 and 3 only (b) 2 and 4 only (c) 1, 2 and 4 only (d) 1, 2, 3 and 4

    Note4Students: 

    Prelims:  Rights to Life (Article 21) and Equality (Article 14); Right to be free of ill effects;

    Mains: Judiciary on Environment and Climate Change;

    Mentor comments: “Vidya dadati Vinayam” is an ancient Sanskrit phrase meaning knowledge leads to happiness. India is an important piece of the global climate puzzle. It houses close to twenty percent of the world’s population, 2.4% of the world’s land area, and 7%–8% of all recorded species, including over 45,000 species of plants and 91,000 species of animals. A significant responsibility of the fate of India rests on how the Indian Judiciary deals with the increasing climate change-related cases. Now, recently the SC in M K Ranjitsinh & Ors. vs. Union of India & Ors. case ruled that the people have a right to be free from the adverse effects of climate change which should be recognised by Article 14 and Article 21 of the Constitution. This judgement comes with its own set of challenges that we need to consider.

    Let’s learn

    —

    Why in the News?

    The Supreme Court of India’s extension of Constitutional Rights to Life and Equality to include protection from Climate Change offers hope after the ecological crisis.

    Previous 2021 judgment:

    The SC had directed the installation of bird diverters on existing overhead power lines and the undergrounding of power lines in the GIB’s priority habitat areas.

    The 2024 order:  The SC acknowledged the practical challenges raised by the government and renewable energy companies in implementing the blanket ban on overhead power lines.
    The SC lifted the ban on overhead power lines for 77,000 sq km but upheld it for a 13,000 sq km core habitat area of the GIB.

    Formation of Expert Committee: The SC constituted a 7-member expert committee which is tasked with suggesting conservation measures for endangered GIB by identifying areas where power lines can be constructed and exploring the alternatives for their protection.

    The committee has to submit its report to the SC by July 31, 2024, after which the court will take a final decision on the way forward.

    Limitations with present order: 

    To meet India’s climate commitments declared at COP 26 (2021), it includes net zero carbon emissions by 2070, generation of 500 GW by non-fossil fuel sources and a 50% share of total power generation to renewable energy by 2030. However, it comes with certain challenges as follows:

    • Inclusion of Problematic Energy Sources: The judgment includes large hydropower and nuclear plants in ‘non-fossil-fuel‘ and ‘renewable’ energy, which have significant negative impacts, the Mega-dams in the Himalayas can cause destabilization, biodiversity loss, and community displacement.
    • Adverse Impacts of Mega-Renewable Projects: The Court has tried to balance the need for land (and airspace) for solar and wind energy production in Rajasthan and Gujarat, with the imperative of protecting the Great Indian Bustard.
      • Large solar and wind projects have significant negative impacts, Pavagada Solar Park (Karnataka) took away grazing and agricultural land and destroyed wildlife.
    • Lack of Environmental Assessment and Clearance: Renewable energy projects are excluded from Environmental Impact Assessment (EIA) and clearance procedures, so their impacts are not assessed.
    • Continued Investment in Coal: Despite significant investment in renewable energy, the government is not reducing investments in coal. The new coal mining blocks continue to be given a green signal, including in biologically diverse and socially sensitive areas.

    Alternatives should have been considered:

    • Decentralized Renewable Energy Sources: The Rooftop and Decentralized Renewable Energy sources could yield over 600 GW, offering a more sustainable alternative to mega-projects. They have already benefited millions in Indian villages, aligning with provisions for Equality and a Clean Environment.
    • Efficient Energy Use and Demand Management: Questions should be raised about energy wastage in transmission, inefficient appliance use, and luxury consumption. Demand management and power redistribution could address energy needs more effectively, reducing the necessity for new power production.
    • Rights of Nature and Earth Jurisprudence: The Court could have considered the growing global movement recognizing the ‘Rights of Nature’, crucial for just climate action. Recognition of the rights of rivers like the Ganga and Yamuna could serve as a model to safeguard nature and habitats against climate-damaging actions.
    • Incorporating Expert Committee Mandate: The Court could enhance the judgment’s impact by tasking the expert committee to explore alternative, less damaging ways of meeting energy demands, including decentralized renewables and reducing waste/luxury consumption.
    Flaws in the Indian Development Model

    India’s development model heavily relies on mega-industrial, infrastructural, and extractive projects that cause deforestation and displacement of communities, violating constitutional rights.

    The government’s proposal to deforest 130 sq. km of rainforest and take up tribal lands in Great Nicobar violates the Court’s observation of protecting indigenous communities’ traditional lives and cultures.

    Way Forward – Need for Transformative Change Organically:

    • If the Court had taken its observations to their logical conclusion, it could have directed the government to re-examine such destructive projects. This could have provided grounds for a fundamental shift towards real sustainability and justice in tackling climate change.
    • However, the judgment has reinforced the ecologically flawed, undemocratic, and socially disruptive path promoted by the Government of India.
  • The Clean Energy Transition has become messy

    Why in the news? 

    The war in the Middle East, Russia, and Ukraine, and sanctions by the US have eventually resulted into a fragmented market in the petroleum industry.

    Causes of Fragmentation in the Petroleum Industry:

    • Impact of Sanctions: The sanctions imposed by the US on countries like Venezuela, Iran, and Russia have led to a fragmentation of the petroleum market, with trading relations becoming more regional than global. This fragmentation has reshaped the dynamics of oil supply and demand, with different regions relying on specific suppliers based on geopolitical circumstances and sanctions
    • Regional Trading Patterns: Trading relations in the petroleum industry have shifted regionally, with the US emerging as a major supplier of LNG and products in Europe, Russia becoming the largest supplier of crude to India, and Iran focusing on exports to China despite Western sanctions. This regionalization of trade has altered traditional market dynamics and diversified supply chains.
    • Challenges Faced by Oil Companies: International petroleum majors are experiencing solid profits due to higher production and prices of oil and gas. However, they are confronted with the need to reconcile their investment strategies with net zero carbon emission targets. This balancing act poses a significant challenge for oil companies as they navigate between profitability and sustainability goals
    • Geopolitical Uncertainties: The ongoing conflicts in the Middle East, particularly between Israel and Iran, have added to the complexities of the petroleum market. The region, which holds a significant portion of the world’s petroleum reserves, is facing a mix of warfare, racism, and radicalism, contributing to heightened tensions and uncertainties in the oil industry
    • AI Industry’s Energy Demand: Increasing energy demand from the artificial intelligence (AI) industry for data centers, cloud storage facilities, and crypto mining. This growing demand for electricity poses a challenge as renewables may not be able to meet the requirements, leading to a dilemma for industry leaders committed to achieving net zero carbon emissions.

    What needs to be done?

    • Diversification of Energy Sources: To mitigate the impact of geopolitical uncertainties and sanctions-induced market fragmentation, there is a need for countries to diversify their energy sources.
    • Strengthening Regional Cooperation: Regional cooperation agreements and partnerships can help stabilize petroleum markets and ensure energy security.
    • Promotion of Energy Efficiency: Improving energy efficiency across various sectors, including transportation, manufacturing, and residential buildings, can reduce overall energy consumption and lessen dependence on petroleum products.

    Mains PYQ: 

    Q Discuss the multi-dimensional implications of uneven distribution of mineral oil in the world. (UPSC IAS/2021)

  • What is Carbon Farming? | Explained

    Why in the News? 

    The goal of carbon farming is to mitigate climate change by reducing the amount of carbon dioxide (CO2) and other greenhouse gases in the atmosphere.

    BACK2BASICS:

    What is meant by Carbon Farming? 

    • Carbon farming is a holistic approach to agriculture that focuses on sequestering atmospheric carbon dioxide (CO2) into the soil and vegetation, thereby mitigating climate change while simultaneously enhancing soil health and agricultural productivity.
    • It involves implementing regenerative agricultural practices that promote carbon sequestration, such as agroforestry, cover cropping, rotational grazing, conservation tillage, composting, and diverse crop rotations.

    Significance of Carbon Farming:

    • Mitigation of Climate Change: Carbon farming practices such as rotational grazing, agroforestry, conservation agriculture, and integrated nutrient management help sequester atmospheric carbon dioxide into the soil and vegetation, thereby mitigating climate change by reducing greenhouse gas emissions and enhancing carbon storage.
    • Soil Health Improvement: Carbon farming enhances soil health by increasing soil organic carbon levels, improving soil structure, fertility, water retention, and resilience to drought and extreme weather events. Practices like zero tillage, cover cropping, and crop residue management minimize soil disturbance and enhance organic content.
    • Biodiversity Conservation: Agroforestry, agroecology, and land restoration practices promote biodiversity conservation by diversifying plant and animal species, providing habitat for wildlife, and restoring degraded ecosystems.
    • Sustainable Agriculture: Carbon farming promotes sustainable agricultural practices by minimizing environmental impacts, conserving natural resources, and enhancing the long-term productivity and resilience of agricultural systems.

    Challenges in Carbon farming:

    • Water Availability: Carbon farming can be challenging in hot and dry areas. Limited water availability can hinder plant growth and restrict the potential for carbon sequestration through photosynthesis, affecting practices like cover cropping.
    • Plant Selection: The selection of plant species is crucial, as not all species trap and store carbon in the same amounts or equally effectively. Fast-growing trees and deep-rooted perennial grasses are generally better at carbon sequestration, but may not be suitable for arid environments.
    • Financial Resources: Small-scale farmers in developing countries may particularly lack the resources to invest in sustainable land management practices and environmental services.
    • Policy Support: Sufficient policy support is essential for the widespread adoption of carbon farming practices. This includes incentives, subsidies, regulations, and technical assistance to encourage and facilitate the implementation of carbon farming at the local, national, and international levels.

    What are some carbon farming schemes worldwide?

    • Voluntary Carbon Markets: Carbon trading in the agriculture sector has gained importance globally, especially in countries like the U.S., Australia, New Zealand, and Canada. Voluntary carbon markets, such as the Chicago Climate Exchange, provide platforms for incentivizing carbon mitigation activities in agriculture.
    • Kenya’s Agricultural Carbon Project: Supported by the World Bank, Kenya’s Agricultural Carbon Project exemplifies efforts to address climate mitigation, adaptation, and food security challenges in economically developing countries through carbon farming initiatives.
    • ‘4 per 1000’ Initiative: Launched during the COP21 climate talks in 2015 in Paris, the ‘4 per 1000’ initiative emphasizes the role of carbon sinks, including those created through carbon farming practices, in mitigating greenhouse gas emissions. It underscores the importance of managing the remaining global carbon budget wisely.

    The Silver Line for the Indian Government:

    • Viability of Organic Farming: Grassroots initiatives and agrarian research in India demonstrate the viability of organic farming to sequester carbon. Agroecological practices have the potential to generate significant economic benefits, estimated at $63 billion in value from approximately 170 million hectares of arable land.
    • Economic Benefits for Farmers: Adoption of sustainable agricultural practices could lead to economic benefits for farmers, including an estimated annual payment of around ₹5,000-6,000 per acre for providing climate services through carbon farming.
    • Suitability of Agricultural Regions: Regions with extensive agricultural land, such as the Indo-Gangetic plains and the Deccan Plateau, are well-suited to adopt carbon farming practices. These regions have the potential to contribute significantly to carbon sequestration and climate mitigation efforts.

    Way forward: 

    • Research and Development: Invest in research and development to identify and promote plant species that are well-suited for carbon sequestration. Develop drought-resistant crops and agroforestry species to enhance carbon farming viability.
    • Financial Support: Provide Financial assistance and incentives to small-scale farmers in developing countries to invest in sustainable land management practices and adopt carbon farming techniques.
    • Policy Framework: Develop and implement supportive policy frameworks at local, national, and international levels to encourage the adoption of carbon farming practices. For example  setting carbon pricing mechanisms, establishing regulatory standards, and providing technical assistance to farmers.

     

    Mains PYQ 

    Q Should the pursuit of carbon credits and clean development mechanisms set up under UNFCCC be maintained even though there has been a massive slide in the value of a carbon credit? Discuss with respect to India’s energy needs for economic growth.(UPSC IAS/2014)

     

  • Uttarakhand Forest Fires

    Why in the News?

    Last week, three instances of forest fire were reported from the major forest belts in Uttarakhand.

    • The severity of the situation has prompted the deployment of Indian Air Force personnel and Mi-17 choppers, engaged in the critical operation of dousing the flames using the Bambi Bucket Method.

    Causes of Wildfire:

    • Firstly, the general major causes of forest fires in Uttarakhand are continued dry weather and lack of moisture in the forests.
    • Secondly, according to the Forest Research Institute (FRI, 2019), 95% of forest fires are attributed to human activities.
    • The common human-induced causes include – Grazers setting fire to dry grass, Slash-and-burn agriculture, Unattended campfires, and Intentional arson.

    Uttarakhand’s Forest Vulnerability:

    • As per the latest report from the Forest Survey of India (FSI), the Recorded Forest Area (RFA) in the State is 38,000 sq km of which 26,547 sq km is Reserved Forest, 9,885 sq km is Protected Forest, and 1,568 sq km is Unclassed Forests.
    • Highly flammable Chir Pine trees, covering extensive areas, increase the fire risk.
    • This risk is compounded by prolonged dry spells and excess biomass accumulation.
    • Additionally, the proximity of villages facilitates anthropogenic activities such as forest clearance and grazing.

    Forest Fires in India: Recent Statistics

    • Odisha recorded 4,237 forest fires as compared to 1,499 between April 20 and 27 in 2023. Similarly, Chhattisgarh recorded 757 fires last year as compared to 2,116 this year, Jharkhand 633 as against 1,926 and Andhra Pradesh 527 as compared to 1,126 in 2023.
    • However, Uttarakhand has recorded the highest number of large forest fires in the country in the last seven days since April 28, according to the Forest Survey of India (FSI) data.

     

    Mitigation Strategies

    1. Localized Initiatives: 
    • Effective measures to mitigate forest fire risks include controlled burning, biomass removal, prescribed burns, and enhanced surveillance using drones.
    • Community engagement and proactive involvement, as demonstrated in Kerala, provide valuable insights for forest fire management.
    1. Government Initiatives:
    • The government has introduced measures such as a satellite-based fire alert system by the Forest Survey of India, aiding in early detection and response efforts.
    • Forest staff utilize various techniques, including counter-fires and fire beaters, to contain and manage forest fires effectively.

    Wildfires Mitigating Strategies:

    • The Ministry of Environment, Forest and Climate Change (MoEFCC) outlines four strategies to prevent and manage forest fires:
    1. Erecting watch towers for early detection,
    2. Deploying fire watchers,
    3. Engaging local communities, and
    4. Establishing and maintaining fire lines.

    The National Disaster Management Authority (NDMA) website distinguishes between two types of fire lines:

    1. Kachha fire lines involve clearing undergrowth and shrubs while preserving trees to decrease the amount of available fuel.
    2. Pucca fire lines are clear-cut areas that create a barrier between forest compartments or blocks to contain potential fire spread.

     

    PYQ:

    [2020] Examine the status of forest resources of India and its resultant impact on climate change.

  • Catatumbo Lightning: A Torrent of Current

    Why in the news?

    Catatumbo lightning is a natural event seen over the Catatumbo River in Venezuela, where lightning strikes almost nonstop.

    What is Catatumbo Lightning?

    • Catatumbo Lightning is an atmospheric phenomenon that occurs over the Catatumbo River in Venezuela.
    • It specifically occurs at the Catatumbo Delta, where the river meets Lake Maracaibo.
    • It is known as one of the world’s largest lightning displays.
    • This natural spectacle involves frequent and nearly continuous lightning strikes that illuminate the night sky, creating a mesmerizing light show.
    • Catatumbo Lightning is most prevalent during the wet season, typically from April to November.
    • The consistent and abundant lightning activity has earned the region the moniker “the lightning capital of the world.”

    Factors behind Catatumbo Lightning

    • Weather Dynamics
    • Warm, moisture-laden air from the Caribbean Sea clashes with cooler air descending from the Andes mountains, creating a dynamic interplay of atmospheric forces.
    • This collision, accentuated by the local landscape, triggers rapid upward movement of warm air, leading to the formation of towering cumulonimbus clouds.
    • Electrical Charge Generation
    • Strong winds and temperature differentials within these clouds generate electrical charges.
    • Cumulonimbus clouds, towering over 5 km high, accumulate vast amounts of static electricity.
    • Lightning Discharge: When the electrical potential within the clouds reaches a critical level, it discharges in the form of lightning strikes.

    Characteristics of Catatumbo Lightning

    • Catatumbo lightning occurs on approximately 160 nights annually, exhibiting a remarkable longevity.
    • At its peak, the phenomenon generates an astonishing average of 28 lightning strikes per minute.

    PYQ:

    [2013] During a thunderstorm, the thunder in the skies is produced by the

    1. Meeting of cumulonimbus clouds in the sky

    2. Lightning that separates the nimbus clouds

    3. Violent upward movement of air and water particles

    Select the correct answer using the codes given below:

    (a) 1 only

    (b) 2 and 3

    (c) 1 and 3

    (d) None of the above produces the thunder