Happy Earth Day! Just for fun, here are a few facts about the planet we all call home & how we are using it...
- The Earth isn't round! It's technically an oblate spheroid. Basically that means it’s slightly flattened on the top and bottom poles. (source)
- Earth means "the ground." This name, which comes from an English/German word, has been used to describe our planet for at least 1,000 years. (source)
- You are one in 7 billion. The Earth's population is estimated at 7,078,000,000. (source)
- Earth Day was first celebrated in 1970. (source)
- Energy saved from recycling one glass bottle is enough to keep a lightbulb lit or four hours. (source)
- The average American uses between 80 and 100 gallons of water a day.
Photo of kids sweeping Union Square as a part of the first Earth Day celebration via National Geographic.