Should India have two time zones?

Context: OVER THE years, various citizens and political leaders have debated whether India should have two separate time zones. The demand is based on the huge difference in daylight times between the country’s longitudinal extremes, and the costs associated with following the same time zone. Those arguing against the idea, Read More …

Why cyclones hit the east coast in October?

Context: Last week, Cyclone Titli became the third major cyclone to hit the Odisha-Andhra coastal zone in the last five years, all in October. What explains the similar timing, and how effective are the mechanisms for prediction and disaster mitigation? Season & frequency Cyclones have always been frequent in the Read More …

Role for CMs in river basin management

Context: To resolve differences among States on sharing water from rivers that are common to them, the Union Water Ministry has proposed creating 13 river basin management authorities. The inter-State basins to be covered under the proposed legislation are: Brahmaputra, Barak and other rivers in the North East; Brahmani-Baitarini; Cauvery; Read More …

The shale gas challenge

Context: We need a sector-specific environment impact assessment manual on exploration and production. On August 1, 2018, the Central government approved a far-reaching policy that allows private and government players to explore and exploit unconventional hydrocarbons (including shale gas) in contract areas that were primarily allocated for extracting conventional hydrocarbons. Read More …

National Water Grid

Context: The Inter-Linking of Rivers programme aims to connect various surplus rivers with deficient rivers. The idea is to divert excess water from surplus regions to deficient regions to help improve irrigation, increase water for drinking and industrial use, and mitigate drought and floods to an extent. India also has Read More …

Ensemble Prediction Systems

Context: IMD has launched systems for probabilistic weather forecasting known as Ensemble Prediction Systems (EPS). About the System: The India Met Department (IMD) has launched two “very high resolution” Ensemble Prediction Systems. These are to generate ten-day probabilistic weather forecasts. The new systems in place can provide rainfall forecasts with probabilities Read More …