联合国大会于2012年宣布3月21日为“国际森林日”。森林日举办庆祝活动，提高公众对所有类型森林重要性的认识。鼓励各国每年逢“国际森林日”，在地方、国家和国际层面举办森林和树木相关活动，如植树活动。每年“国际森林日”的主题均由森林合作伙伴关系选定。
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International Day of Forests events
Photo gallery: See how people around the world celebrated the Day.
- School children planting pine seedlings, Ukraine
Celebrating the International Day of Forests
- FAO headquarters, Rome. March 2013
Rome, Italy
At FAO headquarters in Rome, Italy, an opening ceremony and technical seminar provided updated country-based information on the ways in which forests can maximize landscape products and services. The publication Forests and Water – International Momentum and Action was launched during the seminar.
Tlemcen, Algeria
In conjunction with the Third Mediterranean Forest Week, the Day was launched with a press conference, release of the publication State of Mediterranean Forests and tree planting activities in Tlemcen, Algeria.