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Indonesia’s Lewotobi Laki-laki volcano erupts

Background Relevance  : GS 1(Geography ),GS 3(Disaster Management)                                                                                                                         -Photo : Reuters Current Developments Implications

Murky pattern of temperature keeps confusion alive

The ENSO (El Niño-Southern Oscillation) cycle plays a crucial role in shaping global weather patterns, particularly the Indian monsoon. However, recent anomalies in sea surface temperatures (SST) and wind patterns in the Pacific Ocean have created uncertainty regarding whether 2025-26 will be an El Niño or La Niña year. This ambiguity raises concerns about the reliability of monsoon forecasts, which are critical for […]

How does La Niña affect India’s climate

Context:  La Niña is significantly influences global weather, particularly in India, where it impacts the monsoon and winter seasons. Relevance: GS 1 (Geography ) , GS 3 (Climate Change) La Niña is a climate phenomenon that occurs when the ocean surface temperatures in the central and east-central equatorial Pacific cool periodically. The term “La Niña” is Spanish for “little […]

Global and Local Implications of Landscape Fire Pollution

Context: According to a study published in The Lancet journal, over 90 per cent of the global deaths per year linked to air pollution from landscape fires were in low and middle-income countries, including India. The study covers all kinds of fires in any natural of cultural landscapes like fires in forests, grasslands, vegetated areas […]

NASA Data Shows Significant Decline in Earth’s Freshwater Levels

Context: Recent observations from NASA and the German Aerospace Center’s GRACE (Gravity Recovery and Climate Experiment) satellites indicate a concerning trend: a significant decline in Earth’s total freshwater levels since 2014. This decline points to pressing global water security issues, highlighting the impacts of climate change and increased water usage on freshwater resources. Relevance: GS […]

About The Cyclone Dana

Context: According to the India Meteorological Department (IMD), Cyclone Dana is expected to make landfall as a severe cyclone (wind speed: 89 to 117 kmph) along the Odisha coast near Bhitarkanika National Park and Dhamra Port.  Relevance: GS-I: Geography (Physical geography – Climatology, Important Geophysical phenomena), GS-III: Disaster Management Dimensions of the Article: Cyclone Dana Overview What are Tropical Cyclones? Tropical Cyclones in India Conditions for cyclone formation: […]

About Han River

Context: With an aim to exploit the Musi banks for commercial use, the Telangana government is looking at the Great Hangang (Han River) project in South Korea as a model for attracting private firms to develop riverfronts. Relevance: GS I: Geography About Han River: -Source: Times of India

Linking Tonga’s Eruption to Atmospheric Disturbances Over India

Context: A recent study has uncovered a surprising connection between the Tonga volcano eruption in the South Pacific Ocean and the formation of Equatorial Plasma Bubbles (EPBs) over the Indian subcontinent. This discovery highlights the far-reaching impact of volcanic activity on atmospheric phenomena. Relevance: GS I: Geography Dimensions of the Article: Key Highlights of the […]

Formation of Auroras

Context: Recently, auroras were sighted in lower-latitude regions (below 66.5 degrees north and south latitudes) like India (Hanle and Merak in Ladakh), Mexico and Germany.  Relevance: GS I: Geography Dimensions of the Article: Formation of Auroras: Carbon Dioxide Aurora: -Source: Indian express