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Global Warming Simplified Revision Notes

Revision notes with simplified explanations to understand Global Warming quickly and effectively.

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7.3.5 Global Warming

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Global warming refers to the ongoing increase in Earth's average temperature, primarily caused by the rise in greenhouse gases like carbon dioxide (COâ‚‚) and methane (CHâ‚„). These gases trap more heat in the atmosphere, reflecting it back to Earth and causing the planet to warm.

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Consequences of Global Warming

  • Melting Ice Caps: The warming temperatures cause polar ice caps and glaciers to melt, leading to a loss of habitats for species like polar bears and seals.
  • Rising Sea Levels: As ice melts, sea levels rise, flooding low-lying areas with salty water and reducing habitats for both terrestrial and aquatic species.
  • Changes in Migration and Distribution: Shifts in temperature and rainfall patterns can disrupt migration routes and alter the distribution of species, as some organisms may no longer be able to survive in their traditional habitats.
  • Loss of Biodiversity: As habitats are destroyed or altered, many species may become extinct, leading to a significant reduction in biodiversity.
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