Fill in the Blanks Delicious food, deadly stovesOnline version Reading by Gabriela Hermosillo 1 expensive four smoky wood pollutants Traditional three 40 climate Clean Global Pneumonia carbon fires ailments change A . Just under % of the word's population , about billion people , cook indoors using or other elementary techniques . cookstoves , lead to kitchens and smoky lungs . , lung cancer , heart disease , and other caused by indoor air pollution kill million people every year , according to the World Health Organization . B . In 2010 , the Alliance for clean Cookstoves replace traditional cookstoves with " cookstoves " . C . Clean cookstoves reduced emissions , which could lessen the effects of . They might require less to be burned . D . Based on a Harvard study , clean cookstoves release more into the air . They are also and are not often used .
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