Happy Earth Day – remember, In the vast Universe… There be only one Earth! Earth Day | Earth Day Network Earth Day | Earth Day Network Visit the official Earth Day site to learn about the world’s largest environmental movement and what you can do to make every day Earth Day. Together, we can end pollution, fight climate change, reforest the planet, build sustainable communities, green our schools, educate, advocate and take action to protect Earth. Source: www.earthday.org/