An increase in the average temperature of the Earth's atmostphere
climate change
A long term change in the Earth's weather
global warming
A gas that traps heat above the earth
greenhouse gas
a gas or other subtance which is sent out to the air, generated by factories and vehicles
emission
An illness that can be passed through the air, from one person to another
infectious diseases
The amount of carbon dioxide released into the atmostphere
carbon footprint
what are they called?
catastrophic natural disasters
when a lot of people do not have enough food and many die
famine
the lack of sufficient water resources
water shortage
the cutting down of trees in a large area, or the destruction of forests by people
deforestation
a chemical substance that is spread on the land or given to plants, to make plants grow well:
chemical fertilizers
what disaster is this?
flood
A condition where a place does not receive adequate rainfall for a long period of time. What do we call it?
A drought
What disaster is this?
Oil spill
