From conservation to wildlife to politics, test your environmental and historical knowledge with this Earth Day quiz with trivia questions and answers. Question: Who is credited with founding ...

If you can name it, you're a true Earth Day fan. Otherwise, read on to find out what it is along with other fun facts about the planet and this annual celebration of Mother Earth. There's more ...

Read up on these Earth Day facts below. Get Reader’s Digest’s Read Up newsletter for more holiday tips, fun facts, humor, cleaning, travel and tech all week long. Here's an Earth Day fact ...