Earth Day, observed annually on April 22, is a global event dedicated to raising awareness about environmental issues and promoting actions to protect the planet. Established in 1970, it has grown into a worldwide movement involving over 190 countries. The day focuses on topics such as climate change, pollution, deforestation, and biodiversity conservation. Activities include tree planting, clean-up campaigns, educational events, and advocacy for sustainable practices and policies. Earth Day inspires individuals, communities, and organizations to work toward a healthier, more sustainable future for the Earth.