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Seven Billion and Counting

Informational (nonfiction), 2,255 words, Level Y (Grade 5)
Did you know that seven billion people now live on Earth? And the number continues to grow exponentially every day. The sheer number of people taking up space creates unique problems for our planet because every person uses resources and creates waste. In Seven Billion and Counting, the author explores the problems our planet faces and what the future might bring.