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DAILY NEWS ANALYSIS

  • 02 April, 2021

  • 3 Min Read

Comprehensive Environmental Pollution Index

Comprehensive Environmental Pollution Index

The comprehensive Environmental Pollution Index (CEPI) is a rational number to characterise the quality of the environment at a given location following the algorithm of source, pathway and receptor. An increase in the CEPI score denotes adverse effects on the receiving environment.

  • A Delhi-based think-tank Centre for Science and Environment (CSE) did an assessment of Tamil Nadu’s CEPI scores.
  • Groundwater is becoming more polluted in Tamil Nadu’s industrial areas and Vellore is the state’s most polluted district in terms of river pollution.
  • According to the CEPI water score 2018, five industrial clusters in Tamil Nadu were found to have a water score of more than 50. Of these,
    1. Vellore-North Arcot, Manali and Tiruppur were ‘critically polluted areas’ - CEPI individual score of 60 and above.
    2. Cuddalore and Coimbatore were ‘severely polluted areas’ - CEPI individual scores between 50 and 60.
  • Most serious pollution threat to groundwater was from calcium, chloride and iron that are associated with sewage and pollution from tanneries.

Source: PIB


Formation Day

On 1st November, eight Indian states—Andhra Pradesh, Chhattisgarh, Haryana, Karnataka, Kerala, Madhya Pradesh, Punjab, and Tamil Nadu—along with five Union Territories—Andaman and Nicobar Islands, Chandigarh, Delhi, Lakshadweep, and Puducherry—celebrate their Formation Day. This date marks an important milestone in India

Turtle (Kachhua) Wildlife Sanctuary

The Turtle Wildlife Sanctuary, also known as the Kachhua Sanctuary, is located in the Varanasi district of Uttar Pradesh. It is recognised as India’s first freshwater turtle wildlife sanctuary, established to conserve endangered turtle species and support the ecological health of the Ganga River. Location and Extent The sanctuary co

Introduction of AI and Computational Thinking (CT) in

The Ministry of Education plans to introduce Artificial Intelligence (AI) and Computational Thinking (CT) from Class 3 onwards in the 2026–27 academic year. This initiative is part of the National Curriculum Framework for School Education (NCF-SE) 2023 and aligns with the National Education Policy (NEP) 2020. The aim is to prepare student

Sal Tree

Scientists from the Environment Department of Himachal Pradesh University (HPU) in Shimla have recently revealed that the Sal tree (Shorea robusta) is the most effective natural air purifier for combating rising pollution levels. Their findings highlight the tree’s superior capacity to trap dust, absorb gases, and cleanse the air compared

US Resumes Nuclear Weapon Testing

The President of the United States has ordered the resumption of nuclear weapon testing after a gap of 33 years, the last test being in 1992. This decision marks a significant shift in global nuclear policy and has far-reaching implications for geopolitics, the environment, and international security. Status of Global Nuclear Weapon Testing

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03 Dec,2025

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