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  • Back in news: Liberation of Goa

    The PM recently took a jibe at then PM Nehru, saying that it could have liberated Goa in 1947 itself had Nehru sent the Indian Army there.

    What is the news?

    • Goa was liberated 15 years after India attained freedom.
    • PM Modi accused Nehru as guilty of leaving satyagrahis in the dismay, refusing to send the Indian Army to liberate Goa, even after 25 of them were shot dead by the Portuguese Army.

    Goa’s Colonization: A backgrounder

    • Goa became a Portuguese colony in 1510, when Admiral Afonso de Albuquerque defeated the forces of the sultan of Bjiapur, Yusuf Adil Shah.
    • The next four and a half centuries saw one of Asia’s longest colonial encounters — Goa found itself at the intersection of competing regional and global powers.
    • It received a religious and cultural ferment that lead eventually to the germination of a distinct Goan identity that continues to be a source of contestation even today.
    • By the turn of the twentieth century, Goa had started to witness an upsurge of nationalist sentiment opposed to Portugal’s colonial rule, in sync with the anti-British nationalist movement.

    Beginning of freedom movement

    • Tristao de Braganza Cunha, celebrated as the father of Goan nationalism, founded the Goa National Congress at the Calcutta session of the Indian National Congress in 1928.
    • In 1946, the socialist leader Ram Manohar Lohia led a historic rally in Goa that gave a call for civil liberties and freedom, and eventual integration with India.
    • This event became a watershed moment in Goa’s freedom struggle.
    • At the same time, there was a thinking that civil liberties could not be won by peaceful methods, and a more aggressive armed struggle was needed.
    • This was the view of the Azad Gomantak Dal (AGD), whose co-founder Prabhakar Sinari is one of the few freedom fighters still living today.
    • Finally, Goa was liberated on December 19, 1961 by swift Indian military action that lasted less than two days.

    Recognition of Goa

    • The Supreme Court of India recognized the validity of the annexation and rejected the continued applicability of the law of occupation.
    • In a treaty with retroactive effect, Portugal recognized Indian sovereignty in 1974.
    • Under the jus cogens rule, forceful annexations including the annexation of Goa are held as illegal since they have taken place after the UN Charter came into force.

    Why was Goa left un-colonized?

    As India moved towards independence, however, it became clear that Goa would not be free any time soon, because of a variety of complex factors.

    • No immediate war: Then PM Nehru felt that if he launched a military operation (like in Hyderabad) to oust the colonial rulers, his image as a global leader of peace would be impacted.
    • Trauma of Partition: The trauma of Partition and the massive rupture that followed, coupled with the war with Pakistan, kept the Government of India from opening another front.
    • Internationalization of the issue: This might have led the international community to get involved.
    • No demand from within: It was Gandhi’s opinion that a lot of groundwork was still needed to raise the consciousness of the people, and the diverse political voices emerging within be brought under a common umbrella.

    Nehruvian dilemma

    • India’s global image: Nehru was headed in shaping India’s position in the comity of nations.
    • Trying peaceful options: He was trying to exhaust all options available to him given the circumstances that India was emerging from.
    • Portuguese obsession: Portugal had changed its constitution in 1951 to claim Goa not as a colonial possession, but as an overseas province.
    • Portugal in NATO: The move was apparently aimed at making Goa a part of the newly formed North Atlantic Treaty Organisation (NATO) military alliance. Hence the collective security clause of the treaty would be triggered.
    • Weak indigenous push: Nehru saw it prudent to pursue bilateral diplomatic measures with Portugal to negotiate a peaceful transfer while, at the same time, a more ‘overt’ indigenous push for liberation.

    Why did Nehru wait until December 1961 to launch a full-scale military offensive?

    India could no longer be seen to delay the liberation of Goa because:

    • Portuguese offensive against Satyagrahis: The firing incident also provoked a sharp response from the Government of India, which snapped diplomatic and consular ties with Portugal in 1955.
    • India as torchbearer of de-colonization: India got itself firmly established as a leader of the Non Aligned World and Afro Asian Unity, with decolonisation and anti-imperialism as the pillars of its policy.
    • Criticisms from African nations: An Indian Council of Africa seminar on Portuguese colonies organized in 1961 heard strong views from African as this was hampering their own struggles against the ruthless regime.
    • Weakening Colonialism: The delegates were certain that the Portuguese empire would collapse the day Goa was liberated.

    The debate in 2022

    • Politics needs to be charitable to history, because at some point it would be put to the same scrutiny and judgment as it becomes history itself.
    • Goa has seen 60 years of eventful liberation and successful amalgamation in the Indian Union.
    • It is more important for it to look ahead to its future than to rapidly receding, increasingly dim images in the rear-view mirror.

     

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  • What is Habeas Corpus?

    The Supreme Court has decided to examine a habeas corpus plea made by the children of a Pakistan national who they believe has been unlawfully detained for seven years.

    What is Habeas Corpus?

    • Habeas corpus is a recourse in law through which a person can report an unlawful detention or imprisonment to a court.
    • He/she can request that the court order the custodian of the person, usually a prison official, to bring the prisoner to court, to determine whether the detention is lawful.
    • In India the power to issue a writ of habeas corpus is vested only in the Supreme Court and the High Court.
    • Habeas corpus is the writ which was visualized as an effective means to provide a quick remedy to a person who has lost his personal liberty without any legal justification.

    What is Article 32?

    • Article 32 deals with the ‘Right to Constitutional Remedies’, or affirms the right to move the Supreme Court by appropriate proceedings for the enforcement of the rights conferred in Part III of the Constitution.
    • It is one of the fundamental rights listed in the Constitution that each citizen is entitled.
    • It states that the Supreme Court “shall have the power to issue directions or orders or writs for the enforcement of any of the rights conferred by this Part”.
    • The right guaranteed by this Article “shall not be suspended except as otherwise provided for by this Constitution”.
    • Dr B R Ambedkar has called it the very soul and heart of the Constitution. It cannot be suspended except during the period of Emergency.

    Rights protected by A32

    • The article is included in Part III of the Constitution with other fundamental rights including to Equality, Freedom of Speech and Expression, Life and Personal Liberty, and Freedom of Religion.
    • Only if any of these fundamental rights is violated can a person can approach the Supreme Court directly under Article 32.

    Types of Writs under it

    Both the High Courts and the Supreme Court can be approached for violation or enactment of fundamental rights through five kinds of writs:

    1. Habeas corpus (related to personal liberty in cases of illegal detentions and wrongful arrests)
    2. Mandamus — directing public officials, governments, courts to perform a statutory duty;
    3. Quo Warranto — to show by what warrant is a person holding public office;
    4. Prohibition — directing judicial or quasi-judicial authorities to stop proceedings which it has no jurisdiction for; and
    5. Certiorari — re-examination of an order given by judicial, quasi-judicial or administrative authorities.
    • In civil or criminal matters, the first remedy available to an aggrieved person is that of trial courts, followed by an appeal in the High Court and then the Supreme Court.
    • When it comes to violation of fundamental rights, an individual can approach the High Court under Article 226 or the Supreme Court directly under Article 32.

     

     

    Try this PYQ:

    Q.Which of the following is included in the original jurisdiction of the Supreme Court?

    1. Dispute between the Government of India and one or more States
    2. A dispute regarding elections to either House of the parliament or that of Legislature of a State
    3. A dispute between the Government of India and Union Territory
    4. A dispute between two or more States.

    Select the correct answer using the codes given below:

    (a) 1 and 2

    (b) 2 and 3

    (c) 1 and 4

    (d) 3 and 4

     

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  • In news: Exercise Milan 2022

    Exercise Milan as well as the Fleet Review by President is scheduled to be held this month for which 46 countries have been invited.

    Exercise Milan

    • Milan began in 1995 and is held biennially and brings together Navies of all the countries in the region.
    • It has so far been held at Port Blair in Andaman and Nicobar but is now being shifted to Visakhapatnam which offers more infrastructure as well as sea space for the exercise.
    • It has several themes such as anti-submarine warfare among others along with deliberations, including by subject matter experts.

    What is Fleet Review?

    • A Fleet Review is usually conducted once during the tenure of the President.
    • The first PFR was held in 1953 for the first President Dr. Rajendra Prasad.
    • Since Independence 11 PFRs have been conducted by the Navy, of which two have been International Fleet Reviews in 2011 and 2016.
    • In terms of significance, the Navy’s Presidential review is second only to the Republic Day Parade.

     

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  • [Burning Issue] ‘Climate Smart’ Agriculture and GHG Emissions

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    Context

    In the backdrop of the 2070 carbon neutrality target set by India at the CoP26 in Glasgow, the Union Budget for 2022-23 has listed “climate action” and “energy transition” as one of the four priorities for the Amrit Kaal.

    Agriculture contributes 73 percent of the country’s methane emissions. India has kept away from the recent EU-US pledge to slash methane emissions by 30 percent by 2030, despite the country being the world’s third-largest emitter of methane.

    India’s status with respect to emissions

    • World Air Quality Report 2020: 22 of the 30 most polluted cities in the world are in India and Delhi is the world’s most polluted capital.
    • Global Carbon Atlas: India ranks third in total greenhouse gas emissions by emitting annually around 2.6 billion tonnes (Bt) CO2eq.
    • India’s per capita emission is just 1.8 tonnes, significantly lower than the world average of 4.4 tonnes per capita.
    • India ranked seventh on the list of countries most affected due to extreme weather events, incurring losses of $69 billion (in PPP) in 2019 (Germanwatch, 2021).
    • In India, energy sector contributes highest emission (44 %), followed by manufacturing and construction sector (18 %), agriculture, forestry and land use sectors (14 %), with remaining being shared by transport, industrial processes and waste sectors.
    • Share of agriculture in total emissions has gradually declined from 28% (1994) to 14% (2016).
    • But in absolute terms, emissions from agriculture have increased to about 650 Mt CO2 in 2018, which is similar to China’s emissions from agriculture.
    • Agricultural emissions in India are primarily from livestock sector (54.6 %), use of nitrogenous fertilizers (19 %), rice cultivation (17.5 %), livestock management (6.9 %) and burning of crop residues (2.1 %).

    Agriculture and Greenhouse gases

    • Farming in particular releases significant amounts of methane and nitrous oxide, two powerful greenhouse gases.
    • Methane is produced by livestock during digestion due to enteric fermentation and is released via belches.
    • It can also escape from stored manure and organic waste in landfills. Livestock is alone responsible for 44% of methane emissions.
    • 53% of Nitrous oxide emissions are an indirect product of organic and mineral nitrogen fertilizers. Fertilizers rich in nitrogen pollute water and threaten the aquatic ecosystem.

    Monoculture

    • Monocultures along with pesticides and herbicides lead to the loss of biodiversity. Monoculture cropping systems leave soil bare for much of the year, rely on synthetic fertilizer, and plow fields regularly.
    • These practices leave soils low in organic matter and prevent formation of deep, complex root systems leading to reduced water holding capacity.
    • Clearing uncultivated land for farming can lead to the destruction of natural ecosystems, which may have a devastating effect on the local wildlife and biodiversity and the micro-climate.
    • Many agricultural sectors need large amounts of water, which may cause water scarcity and drought.

    Reasons for agricultural emissions to be so high

    • Subsidies: The damage is largely a result of the various kinds of subsidies — on urea, canal irrigation and power for irrigation.
    • The Minimum Support Prices (MSP) and procurement policies concentrated on a few states and largely on two crops, rice, and wheat has led to their overproduction.
    • Unplanned wheat and rice production: As of 1 January 2022, the stocks of wheat and rice in the country’s central pool were four times higher than the buffer stocking requirement.
    • Despite the record distribution of rice in the Public Distribution System (PDS) and exports in 2020-21, the rice stocks with the Food Corporation of India (FCI) are seven times the buffer norms for rice.
    • This data not only reflects inefficient use of scarce capital, but also the large amount of greenhouse gases (GHG) embedded in these stocks.

    Changing Climate Affecting Agriculture

    • Extreme heat: Crops need suitable soil, water, sunlight, and heat to grow. However, extreme heat events and reductions in precipitation and water availability have hampered the crop productivity.
    • Changing Rainfall Patterns: Rainfall patterns have already begun shifting across the country, and such changes are expected to intensify over the coming years.
      • This is likely to mean more intense periods of heavy rain and longer dry periods, even within the same regions.
    • Floods: Flooding in many agricultural regions of the country have been witnessed and these floods have devastated crops and livestock, accelerated soil erosion and have polluted water.

    What is climate-smart agriculture?

    • Climate-Smart Agriculture (CSA) is an approach to help the people who manage agricultural systems respond effectively to climate change. 
    • The CSA approach pursues the triple objectives of:
      • Increased Productivity: Produce more and better food to improve nutrition security and boost incomes, especially of 75% of the world’s poor who live in rural areas and mainly rely on agriculture for their livelihoods.
      • Enhanced Resilience: Reduce vulnerability to drought, pests, diseases and other climate-related risks and shocks, and improve capacity to adapt and grow in the face of longer-term stresses like shortened seasons and erratic weather patterns.
      • Reduced Emissions: Pursue lower emissions for each calorie or kilo of food produced, avoid deforestation from agriculture and identify ways to absorb carbon out of the atmosphere.
    • Different elements of climate-smart agricultural systems include:
      1. Management of farms, crops, livestock, aquaculture and capture fisheries to balance near-term food security and livelihoods needs with priorities for adaptation and mitigation.
      2. Ecosystem and landscape management to conserve ecosystem services that are important for food security, agricultural development, adaptation and mitigation.
      3. Services for farmers and land managers to enable better management of climate risks/impacts and mitigation actions.
      4. Changes in the wider food system including demand-side measures and value chain interventions that enhance the benefits of CSA.

    What are the issues raised in global negotiation on climate change?

    • Nations are still quibbling about historical global emitters and who should take the blame and fix it.
    • Global negotiations on climate change often talk about emissions on a per capita basis and the emission intensity of GDP.
    • Per capita emission: Of the top five absolute emitters, the US has the highest per capita emissions (15.24 tonnes), followed by Russia (11.12 tonnes).
    • India’s per capita emissions is just 1.8 tonnes, significantly lower than the world average of 4.4 tonnes per capita.
    • If one takes emissions per unit of GDP, of the top five absolute emitters, China ranks first with 0.486 kg per 2017 PPP $ of GDP, which is very close to Russia at 0.411 kg per 2017 PPP $ of GDP.
    • India is slightly above the world average of 0.26 (kg per 2017 PPP $ of GDP) at 0.27 kg, while the USA is at 0.25, and Japan at 0.21.
    • In our Nationally Determined Contributions (NDCs) submitted in 2016, India committed to “reduce emission intensity of its GDP by 33 to 35 per cent by 2030 from 2005 level.”

    Way Forward

    1. Reward farmers through carbon credit: A carbon policy for agriculture must aim not only to reduce its emissions but also reward farmers through carbon credits which should be globally tradable.
    2. Focus on livestock: With the world’s largest livestock population (537 million), India needs better feeding practices with smaller numbers of cattle by raising their productivity.
    3. Efficient fertiliser use: Agricultural soils are the largest single source of nitrous oxide (N2O) emissions in the national inventory.
    4. An alternative for better and efficient fertiliser use would be to promote fertigation and subsidise soluble fertilisers.
    5. Incentives and subsidies: The government should incentivise and give subsidies on drips for fertigation, switching away from rice to corn or less water-intensive crops, and promoting soluble fertilisers at the same rate of subsidy as granular urea.
    6. Revisiting Policies: The Economic Survey 2021-22 points out that the country is over-exploiting its ground water resource, particularly in the northwest and some parts of south India which is primarily due to paddy cultivation on 44 million hectares.
    1. This calls for revisiting policies to subsidise power and fertilisers, MSP and procurement and reorient them towards minimising GHG emissions.
    2. Three-Pronged Approach for GHG Emissions: India has the potential to cut 18% of its annual greenhouse gas emissions from the agriculture and livestock sector. 50% of this reduction could be achieved by implementing these three measures:
      1. Efficient use of fertiliser
      2. Adoption of zero-tillage
      3. Management of water used to irrigate paddy
    3. Carbon Pricing: According to the International Monetary Fund (IMF), the world needs a carbon tax of $75 per tonne by 2030 to reduce emissions to a level consistent with a 2℃ warming target.
      1. Many countries have begun to implement carbon pricing; Sweden leads the pack with a carbon price as high as $137 per tonne of CO2 equivalent while EU is at $50/tonne of CO2 equivalent.
      2. It is high time for India to announce indicative carbon pricing and create a vibrant carbon market to incentivise green growth in Amrit Kaal.
    4. Increasing Farmer Awareness: The right approach is to give the rice-producing-farmers the right advice and incentives at the right time so that they add only as much water or fertilisers as the rice plant needs.
      1. Rice farming shall be made more sustainable, without having a negative impact on farmers livelihood.
    5. Sustainable Dairy Practices: There is a need to proactively ramp up sustainable dairy practices, which may include:
      1. Realising the existing potentials for GHG emission reduction through technological and farm best practices interventions and solutions.
      2. Reducing its demand for resources by better integrating livestock into the circular bio-economy.
      3. This can be achieved by recycling and recovering nutrients and energy from animal waste.
      4. Closer integration of livestock with crops and agro-industries at various scales to make use of low value and low-emission biomass.

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  • What is a Ratings Agency and why do they matter?

    Finance Secretary has accused rating agencies of “double standards” when assessing emerging markets and developing economies.

    What is the news?

    • Fitch, a rating agency, has termed India as the most indebted emerging market.
    • It claimed that the latest budget did not provide clarity on fiscal consolidation plans.

    What is a Rating Agency?

    • Rating agencies assess the creditworthiness or potential of an equity, debt or country.
    • Their reports are read by investors to make an informed decision on whether or not to invest in a particular country or companies in that geography.
    • They assess if a country, equity or debt is financially stable and whether it at a low/high default risk.
    • In simpler terms, these reports help investors gauge if they would get a return on their investment.

    What do they do?

    • The agencies periodically re-evaluate previously assigned ratings after new developments geopolitical events or a significant economic announcement by the concerned entity.
    • Their reports are sold and published in financial and daily newspapers.

    What grading pattern do they follow?

    • The three prominent ratings agencies, viz., Standard & Poor’s, Moody’s and Fitch subscribe to largely similar grading patterns.
    • Standard & Poor’s accord their highest grade, that is, AAA, to countries, equity or debt with the exceedingly high capacity to meet their financial commitments.
    • Its grading slab includes letters A, B and C with an addition a single or double letter denoting a higher grade.
    • Moody’s separates ratings into short and long-term definitions. Its longer-term grading ranges from Aaa to C, with Aaa being the highest.
    • Fitch, too, rates from AAA to D, with D being the lowest. It follows the same succession scheme as Moody’s and Fitch.

    Criticism of rating agencies

    • Popular ratings agencies publicly reveal their methodology, which is based on macroeconomic data publicly made available by a country, to lend credibility to their inferences.
    • However, credit rating agencies were subjected to severe criticism for allegedly spurring the financial crisis in the United States, which began in 2017.
    • The agencies underestimated the credit risk associated with structured credit products and failed to adjust their ratings quickly enough to deteriorating market conditions.
    • They were charged for methodological errors and conflict of interest on multiple counts.

    Do countries pay attention to ratings agencies?

    • Lowered rating of a country can potentially cause panic selling or offloading of investment by a foreign investor.
    • In 2013, the European Union opted for regulating the agencies.
    • Over reliance on credit ratings may reduce incentives for investor to develop their own capacity for credit risk assessment.
    • Ratings Agencies in the EU are now permitted to issue ratings for a country only thrice a year, and after close of trade in the entire Union.

     

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  • What is Privilege Motion?

    An MP from Telangana submitted a Privilege Motion against PM regarding his remarks over the bifurcation of the erstwhile state of Andhra Pradesh.

    What is Parliamentary Privilege?

    • Parliamentary privilege refers to the right and immunity enjoyed by legislatures.
    • The legislators are granted protection against civil or criminal liability for actions done or statements made in the course of their legislative duties.
    • They are granted so that the MPs/MLAs can effectively discharge their functions.
    • The powers, privileges, and immunities of either House of the Indian Parliament and of its members and committees are laid down in Article 105 of the Constitution.
    • Article 194 deals with the powers, privileges and immunities of the State Legislatures, their members and their committees.

    What is a Privilege Motion?

    • When any of the rights and immunities are disregarded, the offence is called a breach of privilege and is punishable under the law of Parliament.
    • A notice is moved in the form of a motion by any member of either House against those being held guilty of breach of privilege.
    • Each House also claims the right to punish as contempt actions which, while not breach of any specific privilege, are offenses against its authority and dignity.

    What are the rules governing privilege?

    • Rule No 222 in Chapter 20 of the Lok Sabha Rule Book and correspondingly Rule 187 in Chapter 16 of the Rajya Sabha rulebook govern privilege.
    • It says that a member may, with the consent of the Speaker or the Chairperson, raise a question involving a breach of privilege either of a member or of the House or of a committee thereof.
    • The rules however mandate that any notice should be relating to an incident of recent occurrence and should need the intervention of the House.
    • Notices have to be given before 10 am to the Speaker or the Chairperson.

    What is the role of the Speaker/Rajya Sabha Chair?

    • The Speaker/RS chairperson is the first level of scrutiny of a privilege motion.
    • The Speaker/Chair can decide on the privilege motion himself or herself or refer it to the privileges committee of Parliament.
    • If the Speaker/Chair gives consent under Rule 222, the member concerned is given an opportunity to make a short statement.

    What is the Privileges Committee?

    • In the Lok Sabha, the Speaker nominates a committee of privileges consisting of 15 members as per respective party strengths.
    • A report is then presented to the House for its consideration. The Speaker may permit a half-hour debate while considering the report.
    • The Speaker may then pass final orders or direct that the report be tabled before the House.
    • A resolution may then be moved relating to the breach of privilege that has to be unanimously passed.
    • In the Rajya Sabha, the deputy chairperson heads the committee of privileges, which consists of 10 members.

    Answer this PYQ in the comment box:

    Q.With reference to the Parliament of India, which of the following Parliamentary Committees scrutinizes and reports to the House whether the powers to make regulations, rules, sub-rules, by-laws etc. conferred by the constitution of delegated by the Parliament are being properly exercised by the Executive within the scope of such delegation?

    (a) Committee on Government Assurances

    (b) Committee on Subordinate Legislation

    (c) Rules Committee

    (d) Business Advisory Committee

     

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  • Species in news: White-Cheeked Macaque

    In an important discovery, scientists have recorded presence of White-Cheeked Macaque (Macaca leucogenys) from central Arunachal Pradesh.

    White-Cheeked Macaque

    • White- Cheeked Macaques are distinct from other macaques found in the region by displaying white cheeks, long and thick hairs on the neck area, and a longer tail.
    • The species was discovered in 2015 by a group of Chinese scientists from the Modog region in southeastern Tibet.
    • This discovery was considered a significant breakthrough as far as primates are concerned.

    Existence in India

    • From India, the species has not been sighted or reported after a single incidence of photographic capture from Anjaw district, Arunachal Pradesh in 2015.
    • The number of these mammals reported from India stands at 434.
    • The significance of the discovery is that it marks a new addition to mammals of India.

    Protection status

    • It has NOT been yet included in the Wildlife (Protection) Act, 1972 of India.
    • The potential threat to all species of macaques in the landscape is due to hunting by locals for consumption and habitat degradation due to urbanization and infrastructure development.

     

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  • Intensified Mission Indradhanush (IMI) 4.0 launched

    The Union Health Minister has launched the Intensified Mission Indradhanush (IMI) 4.0.

    About IMI 4.0

    • The IMI 4.0 will have three rounds and will be conducted in 416 districts (including 75 districts identified for Azadi ka Amrit Mahotsav) across 33 States and UTs, a Health Ministry statement said.
    • It will immensely contribute in filling the gaps and make lasting gains towards universal immunisation.
    • It will ensure that Routine Immunisation (RI) services reach the unvaccinated and partially vaccinated children and pregnant women” he said.

    What is Mission Indradhanush ?

    • With the aim to increase the full immunisation coverage, the PM launched Mission Indradhanush in December 2014.
    • It aimed to cover the partially and unvaccinated pregnant women and children in pockets of low immunisation coverage, high-risk and hard-to-reach areas and protect them from vaccine preventable diseases.
    • The first two phases of the Mission resulted in 6.7% increase in full immunisation coverage in a year.

    Aims and objectives

    • It aims to immunize all children under the age of 2 years, as well as all pregnant women, against eight vaccine-preventable diseases.
    • The diseases being targeted are diphtheria, whooping cough, tetanus, poliomyelitis, tuberculosis, measles, meningitis and Hepatitis B.
    • In 2016, four new additions have been made namely Rubella, Japanese Encephalitis, Injectable Polio Vaccine Bivalent and Rotavirus.
    • In 2017, Pneumonia was added to the Mission by incorporating the Pneumococcal conjugate vaccine under Universal Immunisation Programme

     

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  • What is a Solar Storm?

    Spacex’s newest fleet of satellites is tumbling out of orbit after being struck by a solar storm.

    Solar Storm

    • A solar storm or a Coronal Mass Ejection as astronomers call it is an ejection of highly magnetized particles from the sun.
    • These particles can travel several million km per hour and can take about 13 hours to five days to reach Earth.
    • Earth’s atmosphere protects us, humans, from these particles.
    • But the particles can interact with our Earth’s magnetic field, induce strong electric currents on the surface and affect man-made structures.

    How did they impact SpaceX satellites?

    • The issue came up due to increased drag created by the solar storm in the upper reaches of the Earth’s atmosphere.
    • These storms cause the atmosphere to warm and atmospheric density at our low deployment altitudes to increase.
    • In fact onboard GPS suggests the escalation speed and severity of the storm caused atmospheric drag to increase up to 50 percent higher than during previous launches.

    History of solar storms

    • The first recorded solar storm occurred in 1859 and it reached Earth in about 17 hours.
    • It affected the telegraph network and many operators experienced electric shocks.
    • A solar storm that occurred in 1921 impacted New York telegraph and railroad systems and another small-scale storm collapsed the power grid in Quebec, Canada in 1989.
    • A 2013 report noted that if a solar storm similar to the 1859 one hit the US today, about 20-40 million people could be without power for 1-2 years, and the total economic cost will be $0.6-2.6 trillion.

    Why are they a cause of concern?

    • The Sun goes through an 11-year cycle – cycles of high and low activity.
    • It also has a longer 100-year cycle.
    • During the last three decades, when the internet infrastructure was booming, it was a low period.
    • And very soon, either in this cycle or the next cycle, we are going towards the peaks of the 100-year cycle.
    • So it is highly likely that we might see one powerful solar storm during our lifetime.

     

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  • International Thermonuclear Experimental Reactor (ITER)

    Scientists in the United Kingdom have achieved a new milestone in producing nuclear fusion energy or imitating the way energy is produced in the Sun. The record and scientific data from these crucial experiments are a major boost for ITER.

    ITER Project

    • ITER is international nuclear fusion research and engineering megaproject, which will be the world’s largest magnetic confinement plasma physics experiment.
    • The goal of ITER is to demonstrate the scientific and technological feasibility of fusion energy for peaceful use.

    Project details

    • The project is funded and run by seven member entities—the European Union, India, Japan, China, Russia, South Korea and the United States.
    • The EU, as host party for the ITER complex, is contributing about 45 per cent of the cost, with the other six parties contributing approximately 9 per cent each.
    • Construction of the ITER Tokamak (doughnut-shaped apparatus) complex started in 2013 and the building costs were over US$14 billion by June 2015.

    How does it work?

    • Hydrogen plasma will be heated to 150 million degrees Celsius, ten times hotter than the core of the Sun, to enable the fusion reaction.
    • The process happens in a doughnut-shaped reactor, called a tokamak, which is surrounded by giant magnets that confine and circulate the superheated, ionized plasma, away from the metal walls.
    • The superconducting magnets must be cooled to -269°C (-398°F), as cold as interstellar space.
    • Scientists have long sought to mimic the process of nuclear fusion that occurs inside the sun, arguing that it could provide an almost limitless source of cheap, safe and clean electricity.
    • Unlike in existing fission reactors, which split plutonium or uranium atoms, there’s no risk of an uncontrolled chain reaction with fusion and it doesn’t produce long-lived radioactive waste.

    Back2Basics: Nuclear Fusion

    Major breakthrough on nuclear fusion energy - BBC News

    • Nuclear fusion is the process of making a single heavy nucleus (part of an atom) from two lighter nuclei. This process is called a nuclear reaction.
    • The nucleus made by fusion is heavier than either of the starting nuclei. It releases a large amount of energy.
    • Fusion is what powers the sun. Atoms of Tritium and Deuterium (isotopes of hydrogen, Hydrogen-3 and Hydrogen-2, respectively) unite under extreme pressure and temperature to produce a neutron and a helium isotope.
    • Along with this, an enormous amount of energy is released, which is several times the amount produced by fission.
    • Scientists continue to work on controlling nuclear fusion in an effort to make a fusion reactor to produce electricity.

    How it is different from nuclear fission?

    • Simply put, fission is the division of one atom into two (by neutron bombardment), and fusion is the combination of two lighter atoms into a larger one (at a very high temperature).
    • Nuclear fission takes place when a large, somewhat unstable isotope (atoms with the same number of protons but a different number of neutrons) is bombarded by high-speed particles, usually neutrons.

     

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