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GS Paper: GS1

  • Anayoottu Ritual of Kerala

    Anayoottu, an annual ritual at the Sree Vadakkunnathan Temple, Thrissur was recently held.

    Why in news?

    • There is a history behind this annual ritual at the temple.
    • Kerala’s elephant pooram was selected, along with other cultural forms of the country, for display at the opening ceremony of the Asian Games held in Delhi in 1982.
    • Elephants were transported all throughout the country to New Delhi.

    What is Anayoottu?

    • The Aanayoottu (gaja pooja/ feeding of elephants) is a festival held in the precincts of the Vadakkunnathan temple in City of Thrissur, in Kerala.
    • The festival falls on the first day of the month of Karkkidakam (timed against the Malayalam calendar), which coincides with the month of July.
    • It involves a number of unadorned elephants being positioned amid a multitude of people for being worshipped and fed.
    • Crowds throng the temple to feed the elephants.

    Mythology behind

    • It is believed that offering poojas and delicious feed to the elephants is a way to satisfy Lord Ganesha—the god of wealth and of the fulfillment of wishes.
    • The Vadakkunnathan temple, which is considered to be one of the oldest Shiva temples in southern India, has hosted the Aanayottoo event for the past few years.

     

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  • Does Tropical Ozone Hole exist?

    A new ozone hole has been detected over the tropics, at latitudes of 30 degrees South to 30 degrees North, a recent study claimed. But some experts are divided over this.

    Do you know?

    The Antarctic ozone hole — one of the deepest, largest gap in the ozone layer in the last 40 years — has closed, according to the World Meteorological Organization (WMO).

    What is Ozone and Ozone Layer?

    • An ozone molecule consists of three oxygen atoms instead of the usual two (the oxygen we breathe, O2, makes up 21% of the atmosphere).
    • It only exists in the atmosphere in trace quantities (less than 0.001%), but its effects are very important.
    • Ozone molecules are created by the interaction of ultra-violet (UV) radiation from the Sun with O2 molecules.
    • Because UV radiation is more intense at higher altitudes where the air is thinner, it is in the stratosphere where most of the ozone is produced, giving rise to what is called the ‘ozone layer’.
    • The ozone layer, containing over 90% of all atmospheric ozone, extends between about 10 and 40km altitude, peaking at about 25km in Stratosphere.

    Why need Ozone Layer?

    • The ozone layer is very important for life on Earth because it has the property of absorbing the most damaging form of UV radiation, UV-B radiation which has a wavelength of between 280 and 315 nanometres.
    • As UV radiation is absorbed by ozone in the stratosphere, it heats up the surrounding air to produce the stratospheric temperature inversion.

    What is Ozone Hole?

    • Each year for the past few decades during the Southern Hemisphere spring, chemical reactions involving chlorine and bromine cause ozone in the southern polar region to be destroyed rapidly and severely.
    • The Dobson Unit (DU) is the unit of measure for total ozone.
    • The chemicals involved ozone depletion are chlorofluorocarbons (CFCs for short), halons, and carbon tetrachloride.
    • They are used for a wide range of applications, including refrigeration, air conditioning, foam packaging, and making aerosol spray cans.
    • The ozone-depleted region is known as the “ozone hole”.

    Tropical Ozone Hole

    • According to the study, the ozone hole is located at altitudes of 10-25 km over the tropics.
    • This hole is about seven times larger than Antarctica, the study suggested.
    • It also appears across all seasons, unlike that of Antarctica, which is visible only in the spring.
    • The hole has become significant since the 1980s. But it was not discovered until this study.

    What caused an ozone hole in the tropics?

    • Studies suggested another mechanism of ozone depletion: Cosmic rays.
    • Chlorofluorocarbon’s (CFC) role in depleting the ozone layer is well-documented.
    • The tropical stratosphere recorded a low temperature of 190-200 Kelvin (K).
    • This can explain why the tropical ozone hole is constantly formed over the seasons.

    Significance of the finding

    • The tropical ozone hole, which makes up 50 percent of Earth’s surface, could cause a global concern due to the risks associated with it.
    • It is likely to cause skin cancer, cataracts and other negative effects on the health and ecosystems in tropical regions.

    Back2Basics: Antarctic Ozone Hole

    • The Antarctic “ozone hole” was discovered by British Antarctic Survey scientists Farman, Gardiner and Shanklin in 1985.
    • It was caused by the chemical reactions on polar stratospheric clouds (PSCs) in the cold Antarctic stratosphere caused a massive.
    • Though localized and seasonal, an increase in the amount of chlorine present in active, ozone-destroying forms.

    Role of PSCs

    • The polar stratospheric clouds in Antarctica are only formed when there are very low temperatures, as low as −80 °C, and early spring conditions.
    • In such conditions, the ice crystals of the cloud provide a suitable surface for the conversion of unreactive chlorine compounds into reactive chlorine compounds, which can deplete ozone easily.

     

    Try this PYQ

    Q.Consider the following statements:

    Chlorofluorocarbons, known as ozone-depleting substances are used:

    1. In the production of plastic foams
    2. In the production of tubeless tyres
    3. In cleaning certain electronic components
    4. As pressurizing agents in aerosol cans

    Which of the statements given above is/are correct?

    (a) 1, 2 and 3 only

    (b) 4 only

    (c) 1, 3 and 4 only

    (d) 1, 2, 3 and 4

     

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  • India ranks 135 out of 146 in Gender Gap Index

    India ranks 135 among a total of 146 countries in the Global Gender Gap Index, 2022, released by the World Economic Forum.

    What is Global Gender Gap Index?

    • The report is annually published by the World Economic Forum (WEF).
    • It benchmarks gender parity across four key dimensions or sub-indices — economic participation and opportunity, educational attainment, health and survival, and political empowerment.
    • It measures scores on a 0-to-100 scale, which can be interpreted as the distance covered towards parity or the percentage of the gender gap that has been closed.
    • The report aims to serve “as a compass to track progress on relative gaps between women and men on health, education, economy and politics”.
    • According to the WEF it is the longest-standing index, which tracks progress towards closing these gaps over time since its inception in 2006.

    How has India fared on different sub-indices?

    Here’s how it stands on different sub-indices:

    (1) Political Empowerment

    • This includes metrics such as the percentage of women in Parliament, the percentage of women in ministerial positions etc.
    • Of all the sub-indices, this is where India ranks the highest (48th out of 146).
    • However, notwithstanding its rank, its score is quite low at 0.267.
    • Some of the best-ranking countries in this category score much better.
    • For instance, Iceland is ranked 1 with a score of 0.874 and Bangladesh is ranked 9 with a score of 0.546.
    • Moreover, India’s score on this metric has worsened since last year – from 0.276 to 0.267.
    • The silver lining is that despite the reduction, India’s score is above the global average in this category.

    (2) Economic Participation and Opportunity

    • This includes metrics such as the percentage of women who are part of the labour force, wage equality for similar work, earned income etc.
    • Here, too, India ranks a lowly 143 out of the 146 countries in contention even though its score has improved over 2021 from 0.326 to 0.350.
    • Last year, India was pegged at 151 out of the 156 countries ranked.
    • India’s score is much lower than the global average, and only Iran, Pakistan and Afghanistan are behind India on this metric.

    (3) Educational Attainment

    • This sub-index includes metrics such as literacy rate and the enrolment rates in primary, secondary and tertiary education.
    • Here India ranks 107th out of 146, and its score has marginally worsened since last year.
    • In 2021, India was ranked 114 out of 156.

    (4) Health and Survival

    • This includes two metrics: the sex ratio at birth (in %) and healthy life expectancy (in years).
    • In this metric, India is ranked last (146) among all the countries.
    • Its score hasn’t changed from 2021 when it was ranked 155th out of 156 countries.
    • The country is the worst performer in the world in the “health and survival” sub-index in which it is ranked 146.

    Where does India stand amongst its neighbour?

    • India ranks poorly among its neighbours and is behind Bangladesh (71), Nepal (96), Sri Lanka (110), Maldives (117) and Bhutan (126).
    • Only the performance of Iran (143), Pakistan (145) and Afghanistan (146) was worse than India in South Asia.
    • In 2021, India ranked 140 out of 156 nations.

     

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  • In news: National Emblem of India

    A day after the National Emblem cast on top of the under-construction Parliament unveiled, controversy has erupted over its aggressive posture.

    National Emblem of India

    • On 26 January 1950, a representation of the Lion Capital of Ashoka placed above the motto, Satyameva Jayate, was adopted as the State Emblem of India.
    • The emblem is an adaptation of the Lion Capital of Ashoka, an ancient sculpture dating back to 280 BCE during the reign of the Maurya Empire.
    • It was originally made of Chunar sandstone.
    • The statue is a three-dimensional emblem showing four lions.

    Features of the emblem

    • The actual Sarnath capital features four Asiatic lions standing back to back, symbolizing power, courage, confidence, and pride, mounted on a circular base.
    • At the bottom is a horse and a bull, and at its center is a Dharma chakra.
    • The abacus is girded with a frieze of sculptures in high relief of The Lion of the North,
    • The Horse of the West, The Bull of the South, and The Elephant of the East, separated by intervening wheels, over a lotus in full bloom, exemplify the fountainhead of life and creative inspiration.
    • Carved from a single block of sandstone, the polished capital is crowned by the Wheel of the Law.

    Historical significance

    • One of the Buddha’s names is ‘Shakya Simha’, meaning ‘Lion of the Shakyas’.
    • The Buddha’s first sermon at Sarnath was known as the ‘Simhanada’ (Lion roar) of the Buddha.

     

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  • United Nations’ World Population Prospects (WPP)

    The 2022 edition of the United Nations’ World Population Prospects (WPP) was released.

    Why in news?

    • India is projected to surpass China as the world’s most populous country in 2023.

    What is the World Population Prospects?

    • The Population Division of the UN has been publishing the WPP in a biennial cycle since 1951.
    • Each revision of the WPP provides a historical time series of population indicators starting in 1950.
    • It does so by taking into account newly released national data to revise estimates of past trends in fertility, mortality or international migration.

    Main takeaways for the global population

    (1) Slow pace of growth

    • The world’s population continues to grow, but the pace of growth is slowing down.
    • The global population is expected to grow to around 8.5 billion in 2030, 9.7 billion in 2050 and 10.4 billion in 2100.
    • In 2020, the global growth rate fell under 1% per year for the first time since 1950.

    (2) Region-wise differential

    • Rates of population growth vary significantly across countries and regions.
    • More than half of the projected increase in global population up to 2050 will be concentrated in just eight countries- Congo, Egypt, Ethiopia, India, Nigeria, Pakistan, the Philippines and Tanzania.
    • Disparate growth rates among the world’s largest countries will re-order their ranking by size.

    (3) Ageing population

    • The population of older persons is increasing both in numbers and as a share of the total.
    • The share of the global population aged 65 years or above is projected to rise from 10% in 2022 to 16% in 2050.
    • The report suggests measures for ageing population by improving the sustainability of social security and pension systems and by establishing universal health care and long-term care systems.

    (4) Decline in fertility rate

    • A sustained drop in fertility has led to an increased concentration of the population at working ages (between 25 and 64 years), creating an opportunity for accelerated economic growth per capita.
    • This shift in the age distribution provides a time-bound opportunity for accelerated economic growth known as the “demographic dividend”.

    (5) International migration

    • This is having important impacts on population trends for some countries.
    • For high-income countries between 2000 and 2020, the contribution of international migration to population growth (net inflow of 80.5 million) exceeded the balance of births over deaths (66.2 million).
    • Over the next few decades, migration will be the sole driver of population growth in high-income countries.
    • In many of these countries, the outflows were due to temporary labour movements, such as for Pakistan (net flow of -16.5 million), India (-3.5 million), Bangladesh (-2.9 million), Nepal (-1.6 million) etc.

    How reliable is the UN projection, and how do they compare with India’s Census?

    • In India, of course, the Registrar General comes out with a population projection based on the Census.
    • The last such projection was released in 2019 and it was based on Census 2011.
    • The Census projection is slightly lower than the UN projection.
    • Still UN projection is widely acknowledged across the world

    What is the significance of India overtaking China?

    • That India would overtake China has been known for a while.
    • Moreover, in the past, when the world population was still at 5-billion or 6-billion levels, there was a concern about overcrowding.
    • Those concerns no longer exist because the global population is already 8 billion and several countries (including India) have achieved a replacement rate of fertility.
    • The concern now is not about the absolute numbers — India’s population is already 1.4 billion and may go up to 1.6 billion before declining.

     

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  • Sannati and Kanaganahalli Buddhist Sites

    Left almost unattended to for 20 years after excavation, the ancient Buddhist site on the bank of Bhima river near Kanaganahalli (forming part of Sannati site) in Kalaburagi district, has finally got some attention.

    About Sannati

    • Sannati is a small village on the banks of the River Bhima in Chittapur Taluka of Kalaburagi (Gulbarga).
    • It came into prominence after the collapse of the roof of the Kali temple in Chandralamba temple complex in 1986.
    • The collapse revealed the historically valuable Ashokan edicts written in Prakrit language and Brahmi script at the foundations of the temple, attracting historians from across India.
    • While the Stupa is believed to be one of the largest of its time.
    • The stone-portrait is considered to be the only surviving image of the Mauryan Emperor which had the inscription ‘Raya Asoko’ in Brahmi on it.

    Significance of Sannati

    • Further revelations led to the discovery of the magnificent Maha Stupa, which had been referred to as Adholoka Maha-Chaitya (The Great Stupa of the Netherworlds) in the inscriptions.
    • More importantly, a sculpture-portrait of Ashoka seated on his throne with his queens was also discovered.
    • Historians believe that the Sannati Ranamandal (war zone) was a fortified area spread over 210 acres, of which only a couple of acres have been excavated so far.

    Try this PYQ:

    In which of the following relief sculpture inscriptions is ‘Ranyo Ashokan’ (King Ashoka) mentioned along with the stone portrait of Ashoka?

    (a) Kanganahalli

    (b) Sanchi

    (c) Shahbazgarhi

    (d) Sohgaura

     

    [wpdiscuz-feedback id=”tkeut67v6e” question=”Please leave a feedback on this” opened=”1″]Post your answers here.[/wpdiscuz-feedback]

     

     

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  • What are Cloudbursts?

    At least eight people have died after a cloudburst occurred at the Amarnath Cave Shrine near Pahalgam in south Kashmir.

    What is a Cloudburst?

    • Cloudbursts are short-duration, intense rainfall events over a small area.
    • According to the IMD, it is a weather phenomenon with unexpected precipitation exceeding 100mm/h over a geographical region of approximately 20-30 square km.

    What causes Cloudburst?

    • A study published last year studied the meteorological factors behind the cloudburst over the Kedarnath region.
    • They analysed atmospheric pressure, temperature, rainfall, cloud water content, cloud fraction, cloud particle radius, cloud mixing ratio, total cloud cover, wind speed, wind direction, and relative humidity during the cloudburst, before as well as after the cloudburst.
    • The results showed that during the cloudburst, the relative humidity and cloud cover was at the maximum level with low temperature and slow winds.
    • It is expected that because of this situation a high amount of clouds may get condensed at a very rapid rate and result in a cloudburst.

    Impact of climate change

    • Several studies have shown that climate change will increase the frequency and intensity of cloudbursts in many cities across the globe.
    • As temperatures increase the atmosphere can hold more and more moisture and this moisture comes down as a short very intense rainfall for a short duration.
    • This results in flash floods in the mountainous areas and urban floods in the cities.
    • Also, there is evidence suggesting that globally short-duration rainfall extremes are going to become more intense and frequent.

    Try this PYQ

    Q.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 option using the codes given below:

    (a) 1 only

    (b) 2 and 3 only

    (c) 1 and 3 only

    (d) None of the above

     

    [wpdiscuz-feedback id=”vvr39obmoj” question=”Please leave a feedback on this” opened=”1″]Post your answers here.[/wpdiscuz-feedback]

     

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  • Derecho: A storm that turned the sky green in the US

    States of Nebraska, Minnesota and Illinois in the US were hit by a storm system called a Derecho which turned the skies green.

    What is a Derecho?

    • A derecho is a widespread, long-lived, straight-line windstorm that is associated with a band of rapidly moving showers or thunderstorms.
    • The name comes from the Spanish word ‘la derecha’ which means ‘straight’.
    • Straight-line storms are those in which thunderstorm winds have no rotation unlike a tornado.
    • Being a warm-weather phenomenon, a derecho generally – not always – occurs during summertime beginning May, with most hitting in June and July.
    • However, they are a rare occurrence as compared to other storm systems like tornadoes or hurricanes.

    Why does the sky turn green during the derecho?

    • Severe thunderstorms result in a ‘green sky’ due to light interacting with the huge amount of water they hold.
    • The big raindrops and hail scatter away all but the blue wavelengths due to which primarily blue light penetrates below the storm cloud.
    • This blue then combines with the red-yellow of the afternoon or the evening sun to produce green.

    Are there different types of derechos?

    They fall into three categories – progressive, serial and hybrid.

    1. Progressive derecho is associated with a short line of thunderstorms that may travel for hundreds of miles along a relatively narrow path. It is a summer phenomenon.
    2. Serial derecho, on the other hand, has an extensive squall line – wide and long – sweeping across a large area. It usually occurs during spring or fall.
    3. Hybrid derecho are that ones have the features of both progressive and serial derechos.

    Where do derechos usually occur?

    • They mostly occur across central and eastern parts of the United States.
    • Derechos have also been documented elsewhere across the world.
    • In 2010, Russia witnessed its first documented derecho.
    • They have also swept through Germany and Finland, and more recently in Bulgaria and Poland.

     

     

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  • Who are the Pasmanda?

    In a political conclave in Hyderabad, PM made a special mention for the Pasmanda muslim community and their social upliftment.

    Who are the Pasmanda Muslims?

    • The word Pasmanda is derived from the Persian language meaning ‘left behind’.
    • The Pasmanda community comprise of Dalits and Backward Muslims who are fighting a different social battle inside the society.
    • This community has its stronghold in Uttar Pradesh where the Pasmandas account for around 75% of the total Muslim population.
    • In fact, 85% of the total population of Muslims in the country is known as Pasmanda.
    • It is believed that the so-called untouchable Hindu converts are categorised as Pasmanda.

    A caste system in minorities

    • The caste system is applicable to Asian Muslims in the same way as it is applicable in the Indian society.
    • Among the South Asian Muslims including those living in India, 15% are considered upper class or upper caste, called Ashraf.
    • The remaining 85% Muslims known as Arzal and Ajlaf are considered to be Dalit and backward. Arzal means degraded.

    Why political parties are focusing on them?

    • If reports are to be believed then the creamy section of the Muslim society looks down upon them.
    • They are backward and oppressed economically, socially and educationally. This oppressed section among Muslims is called Pasmanda in India.

    A social movement in making

    • Actually the Pasmanda movement in India is 100 years old. A Muslim Pasmanda movement had emerged in the second decade of the last century.
    • After this, in the 90s in India, two big organisations were formed in favour of the Pasmanda Muslims.
    • This was the All India United Muslim Front, whose leader was Ejaz Ali.
    • Apart from this, Ali Anwar of Patna founded an organisation named All India Pasmanda Muslim Merej.
    • However, both are termed as non-Islamic by Muslim religious leaders.
    • All the small organisations of Pasmanda Muslims are mostly found in Uttar Pradesh, Bihar, Jharkhand and West Bengal.

     

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  • What is the EU’s Sustainable Finance Taxonomy?

    Activists have been widely criticizing the EU’s sustainable finance taxonomy as a “greenwashing” exercise that puts the European Union’s climate change targets at risk.

    What is the EU Taxonomy?

    • The EU taxonomy is a complex system to classify which parts of the economy may be marketed as sustainable investments.
    • It includes economic activities, as well as detailed environmental criteria that each economic activity must meet to earn a green label.

    Why in news now?

    • Rules for most sectors came into effect this year, covering investments including steel plants, electric cars and building renovations.
    • The rules for gas and nuclear energy, however, have been long delayed amid intense lobbying from governments who disagree on whether the fuels help fight climate change.

    What does it say about gas and nuclear energy?

    • The European Parliament supported that proposal in a vote paving the way for it to become law and apply from 2023.
    • Under the proposal, for a gas-fuelled power plant to be deemed green, it must emit no more than 270 grams of CO2 equivalent per kilowatt hour, or have average emissions of 550g CO2e/kW over 20 years.
    • It must also commit to switch to low-carbon gases by 2035.
    • Gas and nuclear power plants are classed as transitional activities.

    What’s the taxonomy for?

    • The taxonomy does not ban investments in activities not labelled “green”, but it limits which ones companies and investors can claim are climate-friendly.
    • The EU’s goal to eliminate its net emissions by 2050 will require huge investments, much of it private funding.
    • The rules also aim to stamp out green-washing, where organisations exaggerate their environmental credentials, among so-called eco-friendly investment products.

    Who does it apply to?

    • Providers of financial products – including pension providers – in the EU must disclose which investments comply with the taxonomy’s climate criteria.
    • For each investment, fund or portfolio, they must disclose what share of underlying investments comply with the rules.
    • Large companies and listed firms must also disclose what share of their turnover and capital expenditure complies.
    • That means polluting companies can get recognition for making green investments.
    • For example, if an oil company invested in a wind farm, it could label that expenditure as green.

    What makes a “green” investment?

    The rules classify three types of green investments.

    • First, those that substantially contribute to green goals, for example, wind power farms.
    • Second, those that enable other green activities, for example, facilities that can store renewable electricity or hydrogen.
    • Third, transitional activities that cannot be made fully sustainable, but which have emissions below industry average and do not lock in polluting assets or crowd out greener alternatives.

     

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