3.12植树节绿色卡通植树节节日介绍宣传PPTPlease add text here to describe the text content in detail. The content should be consistent with the language style of the title text.演讲人： XXX 日期： XXX植树节的意义目录 CONTENTS植树节的由来 外国的植树节节日相关活动02040103Please add text here to describe the text content in detail. The content should be consistent with the language style of the title text, and the language description should be concise and vivid.植树节的由来第一节植树节是按照法律规定宣传保护树木，并组织动员群众积极参加以植树造林为活动内容的节日。按时间长短可分为植树日、植树周和植树月，共称为国际植树节。提倡通过这种活
