Earth Day 2011

Earth Day is an international environmental observance held on 22 April each year, promoting awareness and action to protect the planet, support sustainability, and address environmental challenges.

Frequently asked questions

When is Earth Day 2011?

Earth Day 2011 is on Friday, 22 April 2011.

What day of the week is Earth Day 2011?

It falls on Friday.

How is Earth Day calculated?

This event is observed every year on 22 April.