Tips on saving our planet are all around us, and Earth Day is a special holiday for honoring the planet and keeping it clean. Read about the different activities people take part in on this day, from recycling to picking up litter, to spreading the word about ecological awareness.
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Que es una fiesta? El planeta Tierra La contaminacion Limpiar la contaminacion Celebrar el Dia de la Tierra Los simbolos del Dia de la Tierra Calendario.