Earth Hour: A Lights-Out Event for our Planet by Nanette Heffernan and Bao Luu


Earth Hour is March 28th, and author Nanette Heffernan is offering a chance to win a free online visit to honor the occasion! She is the talented author of Earth Hour: A Lights-Out Event for Our Planet. This fabulous book describes the occasion that will take place 8:30 P.M..

Young readers are going to love this book. The simple text and engaging illustrations take readers around the world to learn about energy and Earth Hour. Illustrator Bao Luu represents a diverse population with his appealing drawings. Readers will see multicultural families looking at famous monuments all lit up against a nighttime background. Then, the lights go out, and citizens look quietly at the dark monuments. The story ends with a gathering of people holding candles with the words “…together we have power. United, we are Earth Hour.” Detailed information about Earth Hour and why it matters is included at the end of the book.

Response to Literature

AASL Standards Framework for Learners: Engage/Think VI.A.1 Learners follow ethical and legal guidelines for gathering and using information by responsibly applying information, technology, and media to learning.

Earth Hour: A Lights-Out Event for Our Planet illustrates famous monuments, but doesn’t name them. Invite learners to search online for the monuments illustrated in the book. Discuss what key words would help them in their search. Model responsible searching by reading web addresses and descriptions before clicking.

Learners can also practice responsible internet use by thinking about submitting a pledge to the author’s web site. Here, readers are asked to make an Earth Hour Pledge. Invite learners to notice that people only used their first names when publishing their pledge. Ask them why posters did that. Also, discuss the importance of always asking an adult before entering any information on any website.

If you like these lesson ideas, please take a look at our book, Lessons Inspired by Picture Books for Primary Grades. This resource includes ready-to-go lesson plans that meet the standards. Worksheets, assessments and rubrics are included.

Click here to purchase the book from

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