Greenhouse gas
Ecosystem
Carbon dioxide
Excess
Fossil fuels
Climate change
Drought
Atmosphere
a long period of time without rain.
an area where certain plants and animals live and interact.
the layer of gas that surrounds the Earth,
a long-term change in the average weather patterns that have come to define Earth's local, regional and global climates.
made from decomposing plants and animals.
too much of something.
a heavy colorless gas that is formed by burning fuels.
a gas that traps heat from the sun,