Earth Day started in 1970 when people — including Wisconsin Sen. Gaylord Nelson — brought attention to the impact oil spills, pollution and smog were having on the planet. "Then in January ...

Happy Earth Day! For the 55th year, the world is using the day to celebrate Mother Nature and the wonderful planet we live on. "Earth Day really is a symbol of the environmental movement," Sarah ...

Now celebrating its 55th anniversary, this year's Earth Day theme, "Our Power, Our Planet," calls for people worldwide to unite behind renewable energy and promote clean electricity by 2030 ...

Happy Earth Day! For the 55th year, the world is using the day to celebrate Mother Nature and the wonderful planet we live on. "Earth Day really is a symbol of the environmental movement," Sarah ...

And what better time to keep our planet happy and healthy than on Earth Day? See when we celebrate the holiday this year, what it's all about and how you can take steps further reducing ...

And what better time to keep our planet happy and healthy than on Earth Day? See when we celebrate the holiday this year, what it's all about and how you can take steps further reducing ...