In 1970, over 20 million people in the USAcelebrated the first Earth Day on April 22.Because of this, lots of other countries in the worldalso thought that it was important to love ourMother Earth. They also hoped to teach people tocare about nature, so every year they had manyevents: turning off lights for one hour, plantingtrees or eating no meat on Earth Day. Now, morethan 500 million people in the world join them forEarth Day every year. In Taiwan, there’ll be one foryou. Here it is.