Vocabulary 5
Acid Rain: Rainfall made sufficiently acidic by atmospheric pollution that it causes environmental harm, typically to forests and lakes.
Noun: Acid rain has caused severe erosion on the hillside
Air pollution: The presence in or introduction into the air of a substance which has harmful or poisonous effects.
Noun: Air pollution in the city had reached four times the acceptable levels.
Climate change: A change in global or regional climate patterns, in particular a change apparent from the mid to late 20th century onwards and attributed largely to the increased levels of atmospheric carbon dioxide.
Noun: Climate change is a major environmental issue.