Environment & Climate
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Aravalli Hills Controversy: Why the Supreme Court’s Mining Order Matters
The Supreme Court’s recent order on mining in the Aravalli range has reopened a critical debate on how India defines and protects fragile ecosystems. The controversy highlights the environmental, legal, and policy stakes involved in safeguarding the country’s oldest mountain system.
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Ammonium Sulfate Pollution: Why Delhi’s Air Remains Hazardous
A large share of Delhi’s PM2.5 pollution is formed in the air through chemical reactions, not released directly from local sources. Ammonium sulfate, a secondary pollutant, now accounts for nearly one-third of the city’s annual pollution load, especially during winter.