植樹節(jié)是按照法律規(guī)定宣傳保護(hù)樹木，并組織動(dòng)員群眾積極參加以植樹造林為活動(dòng)內(nèi)容的節(jié)日。按時(shí)間長(zhǎng)短可分為植樹日、植樹周和植樹月，共稱為國(guó)際植樹節(jié)。提倡通過(guò)這種活動(dòng)，激發(fā)人們愛(ài)林造林的熱情、意識(shí)到環(huán)保的重要性。

中國(guó)的植樹節(jié)由凌道揚(yáng)和韓安、裴義理等林學(xué)家于1915年倡議設(shè)立，最初將時(shí)間確定在每年清明節(jié)。1928年，國(guó)民政府為紀(jì)念孫中山逝世三周年，將植樹節(jié)改為3月12日。新中國(guó)成立后的1979年，在鄧小平提議下，第五屆全國(guó)人大常委會(huì)第六次會(huì)議決定將每年的3月12日定為植樹節(jié)。

Tree Planting Day is a festival that publicizes and protects trees in accordance with the provisions of the law, and organizes and mobilizes the masses to actively participate in afforestation activities. According to the length of time, it can be divided into tree planting day, tree planting week and tree planting month, which are collectively called International Tree Planting Day. It is advocated to stimulate people's enthusiasm for forestation and realize the importance of environmental protection through such activities.

China's Tree Planting Day was proposed by Ling Daoyang, Han An, Pei Yili and other foresters in 1915, and was initially set at the annual Qingming Festival. In 1928, the National Government changed the Arbor Day to March 12 to commemorate the third anniversary of Sun Yat-sen's death. In 1979 after the founding of the People's Republic of China, at the proposal of Deng Xiaoping, the sixth session of the Standing Committee of the Fifth National People's Congress decided to designate March 12 as the

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