Add Yahoo as a preferred source to see more of our stories on Google. Earth Day is on April 22, but really, it should be every day. After all, saving the planet should be a daily occurrence, right?!?

Earth Day began in 1970 and takes place on April 22 every year. Here are 10 questions to test your knowledge of the planet. 1. A day on Earth is 24 hours but it always hasn’t been that way. Are the ...

GREEN BAY, Wis. (WBAY) - April 22 is Earth Day, the result of a U.S. senator from Wisconsin who didn’t want our planet taken for granted. While many people went outdoors to clean up litter and enjoy ...

Question: In 2012, how many commuters in China rode bikes to protest carbon emissions and air pollution?Answer: 100,000 Question: In 1970, students at San Fernando State College passed out what to ...