• Earth’s temperature will keep rising unless greenhouse gas emissions are curbed.
  • The temperature in 2100 may be as much as 5° C (9° F) higher than it was in 2000.
  • The Arctic will experience the greatest temperature changes.
  • Sea level will rise and some coastal cities may be submerged.
  • Cropland worldwide will be affected.
  • Hurricanes may become more severe.
  • Crops and some plants and animals may not be able to survive the warmer temperatures.
  • The biosphere may become quite different.
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