Studied by 7 peoplepollution
damage caused to water, air etc. by harmful substances or waste
extinction
a situation in which somebody no longer exists
exhaust fumes
gases ejected from an engine as waste products
nuclear waste
unwanted, dangerously radioactive material that is made when producing nuclear power
starvation
the state of having no food for a long period, often causing death
drought
a period when there is little or no rain
flood
a large amount of water covering an area
carbon footprint
the measurement of somebody's amount of carbon dioxide that their activities produce
solar panel
a device that changes energy from the sun into electricity
shortage
a situation in which there is not enough of something
endangered species
types of animals/plants which are in danger of no longer existing
global warming
steady rise in average world temperatures
deforestation
destruction/clearing of forests
pristine environments
perfectly clean/untouched/unspoilt areas
fossil fuels
coal/oil etc.
greenhouse effect
warming of the Earth's surface caused by pollution
renewable energy
energy or natural sources that are replaced naturally or controlled carefully and can therefore be used without the risk of using it all up
sewage
used water and waste substances that are produced by human bodies
fertiliser
a natural or chemical substance added to soil to make plants grow more successfully
pesticide
a chemical substance used to kill insects, small animals or other unwanted organism
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