What if we had a digital copy of Earth that could help us test decisions before making them in real life? This is exactly what scientists are building today through Digital Twins of the Earth. A digital twin is a virtual representation of the real world that is continuously updated using satellite, weather station, sensor, and computer data. Unlike a Continue Reading »

Authors: Kapil Oberai and Rohith Rajan Data is a collection of facts, numbers, words, and pictures. Data is everywhere, from social media posts to smart watch steps. Information is what we get when we organize and understand that data. Why are we talking about "big" data now? The reason is that, there's whole lot more of it and its being Continue Reading »

 Authors- Ashish Joshi, Shefali Agrawal, R P Singh Satellite remote sensing is well known to provide magnificent visual perception of different earth features, at the same time, it also provides a quantitative understanding of various earth processes. Concepts of interferometry, when used in space-based imaging of the Earth's surface using Synthetic Aperture Radar (SAR), help in a detailed and accurate Continue Reading »

Authors: Dr.  Suresh Kumar and Dr. R. P Singh, IIRS Urbanization is reshaping the earth planet, with nearly 70 percent of the global population expected to live in cities by 2050. India’s urban population was 36.36% in 2023 and expected to reach 50% by 2050. As cities continue to grow, they face increasing environmental challenges such as solid waste, industrial Continue Reading »

Authors- Shuchita Srivastava, Yogesh Kant and D. Mitra The Hayli Gubbi volcano in Ethiopia experienced its first confirmed eruption in approximately 12,000 years on 23 November 2025 at 14:00 IST, producing an ash column that reached an estimated altitude of 10–15 kilometers. The resulting plume was transported by upper-tropospheric winds toward India and China. Traveling at speeds of 100–120 km/h Continue Reading »