Earth Day: A reminder there's no plan(et) B

Earth Day is an annual event, held on April 22 to show support for environmental protection.

From a US-led virtual climate summit to a Google Doodle, here's how the world marked Earth Day on Thursday.

Events are held globally on this day as a coordinated awareness campaign to save the planet. (Twitter/@sudarsansand)

What is Earth Day?

An annual event, held on April 22 to show support for environmental protection. Events are held globally on this day as a coordinated awareness campaign to save the planet.