fossil f...... - are non-renewable energy sources
fossil fuels
protect the en..................................
enviroment
n....... pollution - noise or sound with potential danagerous effects on humans and animals.
noise pollutiion
e............................. species -at high risk of extinction in the near future
endangered species
exhaust f...... - the waste gas from an engine, especially a car's
exhaust fumes
emit green..... - which trap heat in the atmosphere
greenhouse gases
r................soures of energy - solar, wind, hydro
renewable
the clearing of forests - d.........................
deforestation
dump s .............- to discard wastewater from homes
dump sewage
waste natural r........
resources
global w............ - the long-term heating of Earth's climate
global warming