TNPSC CURRENT AFFAIRS (ENGLISH) – 21.01.2025

  1. SATELLITE PROJECTS AIM TO HEAD OFF FUTURE WILDFIRES

SUBJECT: SCIENCE AND TECHNOLOGY

  • Scientists and engineers are leveraging satellite data and machine learning to predict and manage wildfires in the face of increasing climate related risks.
  • Role of Satellites: Satellites detect dry areas prone to wildfire outbreaks, actively monitor flames and smoke, and track gas emissions.
  • Different satellites serve unique purposes:
  • Low-earth orbit satellites(below 1,000 km):Provide high resolution images but observe any specific point only briefly.
  • Geostationary satellites(36,000 km altitude): Offer continuous observation of the same area but at lower resolution.
  • Innovations: Colorado-based Earth Fire Alliance plans to deploy a low orbit satellite constellation capable of imaging points on Earth every20 minutes. 
  • OroraTech, a Germany-based company, launched nanosatellites that deliver ultra-fast wildfire alerts and thermal data.

2. PRIORITISING IMEC IS IN AMERICA’S BEST INTEREST

SUBJECT: BILATERAL

  • India-Middle East-Europe Economic Corridor (IMEC):
  • Objective: Alternative to China’s BRI; enhance trade, energy routes, and digital infrastructure.
  • Participants: India, UAE, Saudi Arabia, the US, and European countries.
  • Benefits: Cross-border electricity and hydrogen grids.
  • Reduced transport costs and enhanced economic integration.
  • India’s Role: Promoting green hydrogen; positioning as a leader in decarbonization efforts.

3. STUDY MOOTS INCLUSION OF 179 GROUPS IN SC, ST, OBC LISTS

SUBJECT: NATIONAL

  • Study Details: Conducted by Anthropological Survey of India and Tribal Research Institutes; identified 268 denotified, semi-nomadic, and nomadic tribes.
  • Recommendations: 46 groups for OBC, 29 for SC, and 10 for ST status.
  • Uttar Pradesh recommended the most additions (19), followed by Andhra Pradesh, Tamil Nadu, and Madhya Pradesh.
  • Concerns: 63 communities classified as“not traceable.”
  • Pending Actions: Report awaiting scrutiny by NITI Aayog; recommendations yet to be finalized

4. TRUMP, 47TH U.S. PRESIDENT VOWS TO STOP ALL CENSORSHIP

SUBJECT: INTERNATIONAL

  • Declared a “national emergency” at the Mexico border.
  • Announced withdrawal from the Paris Climate Agreement.
  • Renamed Gulf of Mexico as “Gulf of America.”
  • Introduced gender-related policies and stricter immigration controls.
  • Prioritized energy production and rolled back EV mandates.
  • Called for a focus on “traditional values.”
  • Promised to restore the death penalty and citizenship rules for undocumented children.
  • Emphasis on tax reforms and reducing trade deficits.
  • Strengthening “America First” policies for global negotiations

5. CENTRE LIFTS BAN, GIVES NOD FOR SUGAR EXPORT

SUBJECT: AGRICULTURE

  • Decision: Partial lifting of the sugar export ban, allowing export of 1 million tonnes for the 2024-25 season ending September.
  • Reason:
  • Price stability.
  • Financial support to 5 crore farmer families and 5 lakh workers.
  • Key Measures: Sugar mills allowed to export all grades within allocated quantities by September 30.
  • Aimed at boosting liquidity for sugar mills and balancing sugar availability.
  • Background: Ban imposed in October 2023 to regulate domestic prices

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