Miss Carson questioned the right of industrial companies to pollute without considering the effects on the environment.
VOA: special.2010.03.14
emissions that will continue to pollute the air and affect the earth's climate.
VOA: standard.2010.06.14
The future owners of the houses work together with different building designers to create environmentally safe houses that do not pollute.
VOA: special.2009.03.25
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