thick ice areas at the North and South Poles
ice caps
natural materials like coal and oil that people use for energy
fossil fuel
the warmth of the top layer of something, like Earth
surface temperature
the height of the ocean's surface compared to land
sea level
the increase in Earth's temperature because of human activities
global warming
to make something warmer or raise its temperature
heat up
to have no more of something left
run out of
a dense forest with many trees and lots of rain
rain forest
gases in the air that trap heat and warm the planet
greenhose gases
long-term changes in weather patterns on Earth
climate change
to stop existing or no longer be alive
die out
to stop operating or shut a business permanently
close down
