the FINGERPRINTS: Direct manifestations of a widespread and long-term trend toward warmer global temperatures
Heat waves and periods of unusually warm weather
Ocean warming, sea-level rise and coastal flooding
Arctic and Antarctic warming
HARBINGERS: Events that foreshadow the types of impacts likely to become more frequent and widespread with continued warming.
Earlier spring arrival
Plant and animal range shifts and population changes
Coral reef bleaching
Downpours, heavy snowfalls, and flooding
Droughts and fires ...
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