This year marks the 55th anniversary of Earth Day! Every year on April 22, people worldwide mobilize to address some of the most urgent threats facing our environment, from climate change to ...

More than 8 billion people inhabit our planet, and each year Earth Day reminds them of the need to take care of their home. The springtime holiday, which takes place today—April 22—dates back to 1970, ...

The first Earth Day was in April 1970. About one billion people celebrated across 193 countries. The day’s goal was to encourage governments, companies, and individuals to support a healthy ...

Marches, protests, phone-banking events, film screenings, and more centered around environmental activism are being organized across the nation for Earth Day, on April 22. Americans are taking to the ...