Summary:
- 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.