On April 22, Lights Out Canada encourages schools across the country to turn off the lights and switch on education about global warming and sustainability. Lights Out Canada is a youth-led national initiative that is gaining considerable momentum:

• More than 250 schools participated in 2009.
• The goal for 2010: 350 schools!

Visit Lights Out Canada to learn more and to download their Lesson Plan and Event Guide.

As you explore lighting reduction with your class, make use of GreenLearning's interactive Carbon Calculator. Used in conjunction with EnerAction Lesson #7, Lighting at School, students investigate the costs in energy and in greenhouse gases to light their classrooms. They calculate the dollars as well as the kilograms of greenhouse gases that it takes to light the classroom, then identify ways to save energy and track their success.