TNPSC CURRENT AFFAIRS (ENGLISH) – 17.02.2025

  1. EMPOWERING PEOPLE TO CHOOSE END OF LIFE MEDICAL CARE

SUBJECT: SCIENCE

  • Living Will: Legal document allowing individuals to specify healthcare preferences in case of terminal illness/incapacity.
  • First Initiative: Kerala’s GMCH (Kollam) set up India’s first Living Will Information Counter to raise awareness.
  • Procedure: Requires two healthcare attorneys & certification by a gazetted officer/notary.
  • Two medical boards must confirm terminal illness before execution.
  • Clarification: Not euthanasia(illegal in India).
  • Helps reduce family burden in critical medical decisions.
  • Significance: Promotes informed medical choices, patient rights & ethical healthcare practices

2. THE TEESTA DAM AND THE LONG SHADOW OF CLIMATE CHANGE

SUBJECT: ENVIRONMENT

  • Event: Oct 2023,Glacial Lake Outburst Flood(GLOF) from South Lhonak Lake destroyed Teesta-3 dam in Sikkim, causing100+ deaths& impacting80,000+ people.
  • Causes: Moraine failure due to glacier melting, worsened by global warming & black carbon (soot) deposits.
  • Increase in glacial lakes by 10.8%(2011-2024) & surface area expansionby33.7%(CWC Report).
  • Govt Decision:Rebuilding Teesta-3dam, citing commercial viability.
  • Concerns: Located in an earthquake-prone &landslide-prone region.
  • Possible repeat disaster due to unstable terrain.
  • Lack of risk mitigation in hydropower projects.

3. MADRAS HC ASKS GOVT TO PRESERVE HARMONY ATOP RELIGIOUS HILL IN T.N

SUBJECT: STATES

  • Issue: Controversy over renaming hill as ‘Sikkandar Hill’ by Muslims instead of ‘Sri Kandar Hill’ (Hindu name).
  • Petition:Bharat Hindu Munnani sought permission for a protest procession.
  • HC Verdict:
  • No Disturbance:TN govt must ensure peace & communal harmony. 
  • Unity in Diversity: Historical cohabitation of Hindus, Muslims, and Jains at the site.
  • Procession Denied:Could lead to communal tensions; petitioner refused alternative route.
  • Govt’s Role:Protect religious sentiments, prevent conflicts.

4. RECIPROCAL TARIFFS BY U.S MAY NOT HURT INDIA MUCH, SAYS GTRI

SUBJECT: ECONOMY

  • A trade policy where a country imposes tariffs on imports from a trading partner equivalent to the tariffs levied on its own exports by that partner.
  • U.S. Reciprocal Tariffs & India’s Impact
  • Minimal Impact on India: India and the U.S. have different export profiles.
  • Example: U.S. imposing 50% tariffs on Indian pistachios won’t matter as India doesn’t export pistachios.
  • 75% of U.S. exports to India face tariffs below 5%.
  • High Tariffs on Indian Exports to U.S.: U.S. already imposes15-35% tariffsonlabour-intensive goods(textiles, footwear).
  • India’s Likely Response
  • Wait & Watch Approach: India may assess the U.S. decision in April 2025.
  • Possible reciprocal measures like June 2019 trade retaliation.
  • India-U.S. Trade Relations (Apr-Nov 2024-25)
  • Total Trade:$82.52 billion.
  • India’s Exports to U.S.:$52.89 billion. 
  • India’s Imports from U.S.:$29.63 billion.
  • Trade Surplus for India:$23.26 billion

5. EXTREMOPHILE

SUBJECT: SCIENCE

  • The Antarctic midge (Belgica antarctica)is Antarctica’s only native insect species and an extremophile that survives extreme winters.
  • Survival Strategy: Undergoes quiescence in its first year–a temporary dormancy when conditions are extreme. 
  • Enters obligate diapause in its second year–a mandatory hibernation phase for survival.
  • Can resume growth instantly when temperatures rise.
  • Adaptations: Tolerates freezing temperatures by switching between active and dormant states.
  • Efficiently exploits short warm periods for development.
  • What are Extremophiles?
  • Extremophiles are organisms that thrive in extreme environmental conditions that are hostile to most life forms.
  • These include extreme temperatures, acidity, salinity, pressure, or radiation.
  • They are primarily microorganisms(bacteria, archaea, fungi) but can also include certain insects, plants, and animals

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