World Earth Day is held on the 22nd of April every year. This day is an opportunity to raise awareness of environmental issues like wildlife loss, the illegal wildlife trade, climate change, deforestation, and biodiversity loss. To celebrate Earth Day, we’d love to invite you to learn more about our amazing planet. We’ve got some fun and easy ways to join in—whether it's discovering fascinating facts, reading about extraordinary encounters from WWF conservationists, or connecting with the natural world around us. Our world needs transformational change. It’s time for the world to hold sectors accountable for their role in our environmental crisis while also calling for bold, creative, and innovative solutions. Visit the official Earth Day site to learn about the world's largest environmental movement and what you can do to make every day Earth Day. This year, you can celebrate Earth Day with NASA wherever you are! Host your own Earth Day event—supported by NASA science—with activities, demonstrations, handouts, posters, videos, and more. The goal of Earth Day 2014 was to dramatically personalize the massive challenges surrounding global climate change and weave that into both Earth Day 2014 and the five-year countdown to Earth Day 2020, the 50th anniversary. Earth Day is an annual celebration that honors the achievements of the environmental movement and raises awareness of the need to protect Earth's natural resources for future generations. Earth Day is a holiday held every April 22 that highlights environmental issues and sustainability through education. Earth Day is a grassroots initiative that has become the world’s largest secular holiday—around the world. Every year, Earth Day falls on 22 April. So, what exactly is Earth Day, how did it start, and how can you get involved with Earth Day 2026? Earth Day is an annual celebration honoring the achievements of the environmental movement and raising awareness of the importance of long-term ecological sustainability. It is celebrated on either April 22 or the day the vernal equinox occurs. Learn more about Earth Day, including its history.