Earth Day is celebrated each year on April 22, but it’s important for students to learn how to appreciate the environment around them each day of the year. THe first Earth Day was celebrated in 1970. Today, more than 175 countries participate in worldwide events to raise awareness and encourage environmental activism. To celebrate Earth Day, we’re giving away two audiobook excerpts for Horrible Science: Blood, Bones, and Body Bits from Level 1 and Extreme Pets! from Level 2. Read the full post to download and ENTER TO WIN! [ ... ]