temperature
a change in the normal weather patterns
conservation
the number, level, or amount becoming greater
a thick liquid found underground and used as a fuel
increase
how hot or cold something is
global warming
saving and protecting the environment
oil
sea levels
the cutting down of trees over a large area
extreme
deforestation
the average level of the ocean
climate change
a gradual rise in the earth's temperature
invasive species
very great in degree or intensity
plants and animals with no local natural controls on their populations
