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Geography Optional 300+ Score Pack · Model answer

Rise of surface temperature brings severe consequences. Elaborate the potential changes and threats associated with it in the world.

  • UPSC 2022
  • Climatology

Svante Arrhenius calculated in 1896 that more atmospheric CO₂ would enhance the natural greenhouse effect and warm the surface; the IPCC's Sixth Assessment Report (AR6, 2021) now states that this has happened. “It is unequivocal that human influence has warmed the atmosphere, ocean and land.” — IPCC AR6, Summary for Policymakers

You are reading the opening of the model answer. The full answer is part of the Geography Optional 300+ Score Pack.

What the full answer covers

  • The Mechanism: Enhanced Greenhouse Forcing
  • Cryospheric and Sea-Level Changes
  • Oceanic and Atmospheric Changes
  • Ecological and Human Threats
  • Tipping Points: The Live Debate

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