Scientists revealed the survival strategies of archaea

Why in the news: The study of archaea, a domain of ancient microorganisms, has provided scientists with valuable insights into survival strategies that enable microorganisms to adapt to harsh conditions. A specific focus has been on their toxin-antitoxin (TA) systems, which play a key role in helping these organisms manage environmental and biological stressors. Sulfolobus acidocaldarius: Researchers have investigated the TA system in a heat-loving archaeon called Sulfolobus acidocaldarius to Read More …

India State of Forest Report 2023 (ISFR 2023): Salient Features

The Minister for Environment, Forest and Climate Change, Shri Bhupender Yadav, released the India State of Forest Report 2023 (ISFR 2023) on 21 December at the Forest Research Institute, Dehradun. Key Findings of ISFR 2023: Forest and Tree Cover: State-Wise Analysis: Mangrove Cover: Bamboo Resources: Growing Stock: Timber Potential: Carbon Stock: States/UTs with Notable Forest Cover:

‘Murder hornet’ eradicated from the U.S.

The Northern giant hornet, nicknamed the “murder hornet”, has been eradicated in the United States. The insect was first spotted in Washington state (US) near the Canadian border in 2019. Key points The northern giant hornet (Vespa mandarinia) is the largest hornet in the world, measuring up to 2 inches long. The hornets first came under the spotlight in 2013 when they killed at least 42 people in China, and Read More …

POPs in Orcas’ blubbers

Why in the News? A recent research has found in the North Atlantic Ocean orcas’ blubbers (fat layer under the skin) high levels of persistent organic pollutants (POPs) despite these were far from human habitations. One category of the POPs are polychlorinated biphenyls (PCBs). Used as coolants and lubricants in electrical components, they were banned in the US and Canada 50 years ago; yet PCBs were present at 10 times Read More …

Supreme Court direction on sacred groves

On December 18 (2024), the Supreme Court told the Union government to create a comprehensive policy for the management of sacred groves across the country. The apex also directed the state of Rajasthan to complete the survey and notification of sacred groves (orans) in all districts. Key Highlights: Conclusion This directive reaffirms the Supreme Court’s role in environmental jurisprudence, bridging cultural rights with ecological preservation. The structured identification, protection, and Read More …

Shortfin mako shark

A young shortfin mako shark has been tagged for the first time in the Mediterranean Sea by researchers from Virginia Tech in the United States. Key points The young shark was tagged by the researchers in the summer of 2023. It collects and stores data on water temperature, depth, and ambient light levels. This data helps the researchers estimate the shark’s location and understand its movements. Mako shark a critically Read More …

Indian star tortoise (Geochelone elegans)

The Indian star tortoise (Geochelone elegans) is a captivating reptile native to the Indian subcontinent. With its jet-black shell adorned by radiant star-like yellow patterns, it is an icon of beauty and resilience. Yet, this species is embroiled in serious conservation challenges stemming from human activity. Ecology and Habitat Legal and Ethical Concerns Conservation Challenges What Can Be Done?