Happy Earth Day! I cut my teeth almost 20 years ago working on B2B sustainability publications, so I have a solid understanding of the practices that can help humanity to lessen their environmental ...

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?!?

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 ...