Hurricane
Short-term heatwave
Tornado
A 30-year drought
1600
1800
1900
2000
Increase public transportation use
Turn off lights when leaving a room
Unplug electronics when not in use
All of the above
Carbon dioxide
Oxygen
Nitrogen
Cellulose
Sediment cores
Ice cores
Tree rings
6. True or false? Organisms that cannot adapt to changing climate or move away from their environment may become extinct.
Spaceships
Energy
Humans