environ

exhaust fumes

power station£r£/ power plant ArnE

public trapsport BrEf pubiic transpórtation A

train

mask

bicycle

Travel

Global warming

Air pollution stops heat leavingthe atrnosphere. The gradual w ar mi ng of the Earth is called global warming,

Cars cause pollution and congestion, Other ways travelling are less harrnful to the environment.

rain

acid rain

hydro electric

ind turbinę

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Acid rain is rain that contains acid from industrial pollution. It is harrnful to trees and buildings.

Energy that corres frorn wind, water or solar pow er is better for the environrnent.

Somethings like paper, plastic, cans and glass can be collected and used again. This is called recycling.

effluent BrEf industrial waste

factory

litter

rubbish BrEf garbage AmE

Waste

Harrnful chernicals from factories and waste from houses poi lute fields and rivers.