This map illustrates the local consequences of global warming.

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
Glaciers melting
Arctic and Antarctic warming

HARBINGERS: Events that foreshadow the types of impacts likely to become more frequent and widespread with continued warming.

Spreading disease
Earlier spring arrival
Plant and animal range shifts and population changes