For Earth Month, we’ve got a brand new way for you to earn points:
Time travel! Every week in April you'll be able to enter a new decade.
Start exploring the ’70s, ’80s, ’90s and ’00s to see what you can
learn from the past. You could earn over 500 points!

1. Go to

2. If you haven't already, Register for a new account using the link above, no need to activate account, just register.

3. Log in

4. Then Click on the Following link: