There's so much to celebrate in the month of April. The fourth month of the calendar year ushers in warm weather, tulips and Earth Day, the global celebration of our planet and all its splendor. The ...

Every spring, my neighbors gather in a local park for a community clean-up day. It’s a gentle nudge to emerge from our winter hibernation, breathe fresh air and connect with each other. Together, ...

In 1970, the first Earth Day sparked a massive public response, with 20 million Americans taking to streets and college campuses to speak out against air and water pollution, wilderness loss, and ...

More than one billion people participate in Earth Day, making it the largest civic observance in the world. This year, make sure you join in on the action. Celebrated annually on April 22, Earth Day ...

Earth Day is one of the most popular and widespread nonreligious holidays in the world. Although the event was primarily based in the United States, by 2009 the coordinators for Earth Day helped gain ...

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 ...

This Earth Day, test your environmental knowledge by participating in CBS News' #OutGreenMe challenge. Grab your phone and quiz someone with the below facts and show us how much you know about our ...