Today is Earth Day. You may have fond memories of planting a tree in previous years, or maybe this day reminds you to be better about recycling. Earth Day got its start in 1970 after the bestselling ...

Oh, how we love Mother Earth, don't we? Earth is our home and has given us so much — green grass, sunny skies, breathtaking sunsets and beautiful snow — so why not celebrate it by taking one day to ...

Add Yahoo as a preferred source to see more of our stories on Google. This year marks the 55th anniversary of Earth Day! Every year on April 22, people worldwide mobilize to address some of the most ...