drought
põud
välja surnud
extinct
/prəˈtɛkt/
protect
Is oil shale renewable or non-renewable energy source?
Non-renewable
Which one is ‘kõrb’ - dessert or desert?
Desert
weather pattern
ilmastikumustrid
reostama
pollute
/θrəʊ əˈweɪ/
throw away
What is the main power source in Estonia?
Oil shale
What is the English term for combination of smoke and fog?
Smog
fossil fuels
fossiilkütused
magevesi
fresh water
/ˈtʃær.ə.ti/
charity
Name the three main types of fossil fuels.
Oil, natural gas, coal
Name three renewable energy sources.
Hydro, solar, wind
endangered species
ohustatud liigid
heitgaasid
exhaust fumes
/ˈeə pəˌluː.ʃən/
air pollution
What once covered 14% of the earth’s land area, by 1991 over half of it had been destroyed?
It is estimated that only 6% is left nowadays.
Tropical rain forests
How big is approximately the world’s population?
8.2 billion
conservation group
looduskaitsegrupp
elupaik
habitat
/ɪnˌvaɪ.rəˈmen.təl/
environmental
Which has been the worst disaster from a nuclear power plant?
Chernobyl. April 1986
How many people have ever lived in the world? Your answer may differ by 10 billion.
117 billion