Mental Floss
MENU
CLOSE
SMART SHOPPING
QUIZZES
LISTS
VIDEOS
AMAZING FACTS
SECTIONS
BIG QUESTIONS
HISTORY VS.
KENNECTIONS
LIVE SMARTER
QUIZZES
SMART SHOPPING
AMAZING FACTS
WORLD WAR 1
STONES, BONES & WRECKS
JOB SECRETS
#TBT
THE PRESIDENTS
WORDS
RETROBITUARIES
TOPICS
Holidays
Science
Entertainment
History
Language
Food
Archeology
Animals
Architecture
Travel
BIOGRAPHIES
AUTHORS
SCIENTISTS
ARTISTS
U.S. PRESIDENTS
ARMY
TOPICS
Holidays
Science
Entertainment
History
Language
Food
Archeology
Animals
Architecture
Travel
DAILY FLOSS
Morning Links
Daily Quiz
Amazon Deals
Food
DAILY FLOSS
Morning Links
Daily Quiz
Amazon Deals
Food
ABOUT
AUTHORS
TERMS
CONTACT
RSS
PRIVACY
COOKIE POLICY
CUSTOMER SERVICE
×
CLOSE
Earth Day
What Do Those Recycling Symbols and Codes Mean?
What Do Those Recycling Symbols and Codes Mean?
What Do the Terms on Energy-Saving Light Bulbs Mean?
What Do the Terms on Energy-Saving Light Bulbs Mean?
11 Easy Ways to Be Greener on Earth Day
11 Easy Ways to Be Greener on Earth Day
6 Creative Recycling Efforts From Around the Globe
6 Creative Recycling Efforts From Around the Globe
8 Surprising Facts and Misconceptions About Recycling
10 Ingenious Ways to Reuse K-Cups
25 Things You Didn’t Know You Could Recycle
A Simple Hack for Recycling Your Contact Lens Blister Packs
Why You Shouldn't Crush an Aluminum Can Before Recycling It
Why You Should Always Leave the Cap on a Plastic Bottle Before You Recycle It
A Founder of Earth Day Looks Back on How It Began
How the Planet Has Changed Since the First Earth Day in 1970
10 Fascinating Facts About Earth Day
10 Earth Day Celebrations Around the World
SECTIONS
arrow
LIVE SMARTER
LIVE SMARTER
LIVE SMARTER
BIG QUESTIONS
WEATHER WATCH
JOB SECRETS
QUIZZES
WORLD WAR 1
SMART SHOPPING
STONES, BONES, & WRECKS
#TBT
THE PRESIDENTS
WORDS
RETROBITUARIES
arrow
LIVE SMARTER
10 Items Under $25 That Will Keep You Warm This Winter
Scam Alert: A FedEx Tracking Notification Text Wants to Steal Your Credit Card Number
10 Best U.S. Cities for Reducing Stress
MORE LIVE SMARTER
