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1-4 of 4 results for "pollution"
Written by Robert Green
What causes pollution? How does pollution affect the environment? Why should we care about...
4th - 8th
Written by Robert Green
Is human activity causing Earth's to heat up? Is global warming just a natural event? What are the...
4th - 8th
Written by Kathleen G Manatt
Nuclear energy, with the potential to provide vast amounts of power, is a controversial topic. The science, history, and the controversy are explained here.
4th - 8th
Written by Robert Green
What causes pollution? How does pollution affect the environment? Why should we care about...
