Science, Discovery, Tech and Environment · 23 April 2026

University of California (UCLA) Report Identifies Two Indian Waste Sites Among Top Global Methane Emitters

Exam-focused facts from the 23 April 2026 current affairs briefing.

Key facts

  • The University of California (UCLA) released a report titled 'Spotlight on the Top 25 Methane Plumes in 2025: Landfills'.
  • The report utilised data gathered by Planet Labs' Tanager-1 satellite and the National Aeronautics and Space Administration (NASA) EMIT instrument on the International Space Station.
  • A waste facility in Secunderabad, Telangana, ranks fourth globally, emitting 5.9 tonnes of methane per hour.
  • A waste facility in Mumbai, Maharashtra, ranks 12th globally, emitting 4.9 tonnes of methane per hour.
  • The global list is topped by a waste facility in Argentina, which emits 7.6 tonnes of methane per hour.
  • Methane is responsible for 30 per cent of global warming since preindustrial times, second only to carbon dioxide.

View this story in the full daily briefing

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