If you are looking for some inspirational videos to celebrate Earth Day 2012, here are a few that are short and provide some moving messages on the environment and business sustainability.

Earth Day Video: This short five minute inspirational video was produced by the Bio Engineering Group and was developed in honor of Earth Day 2011. A great intro or ending to a sustainability presentation.

TED Talk: William McDonough: A 20 minute TED talk by William McDonough, author of Cradle to Cradle.

11th Hour: Compilation:  This 13 minute compilation of The 11th Hour movie shows some good highlights from the movie which address the issues of a sustainable future on Earth.