On April 22, more than a billion people worldwide will once again observe Earth Day, a global environmental movement that first gained momentum in 1970. This year's commemorations arrive amid a ...

Earth Day recognizes the environmental movement. Here's how it started and why it’s still celebrated every April 22.

April 22 is Earth Day, a special day to celebrate the Earth by dedicating one day to making it a better, healthier place. For over 50 years, Earth Day has been about celebrating our planet and its ...

Nation World Why Earth Day is on April 22 The initial movement in 1970 is known as the largest secular day of protest in the world.

On April 22, more than a billion people worldwide will once again observe Earth Day, a global environmental movement that first gained momentum in 1970.

Nation World Why Earth Day is on April 22 The initial movement in 1970 is known as the largest secular day of protest in the world.

Nation World Why Earth Day is on April 22 The initial movement in 1970 is known as the largest secular day of protest in the world.

As the events expanded into a nationwide campaign, the first Earth Day was held on April 22, 1970. The initial movement in 1970 is known as the largest secular day of protest in the world.

As the events expanded into a nationwide campaign, the first Earth Day was held on April 22, 1970. The initial movement in 1970 is known as the largest secular day of protest in the world.