Our mother earth is an amazing place, but it requires our assistance to thrive! Every year on April 22, more than a billion people celebrate Happy Earth Day to protect the planet from threats such as pollution and deforestation. We're making our world a happier, healthier place to live by picking up litter and planting trees. The first Happy Earth Day was observed in 1970 when a Wisconsin senator organized a national demonstration to raise awareness about environmental issues. Earth Day provides an opportunity for millions of people to come together to address issues such as pollution, deforestation, rising temperatures, and more.